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Top API Developers in the United States

From Silicon Valley’s cloud innovators to fintech specialists in New York and health-tech hubs in Boston, the United States hosts many of the world’s most sought-after API development teams. A reliable API partner can streamline integrations, unlock new revenue channels, and future-proof your tech stack.

Clutch’s rigorous verification process—detailed client interviews, transparent ratings, and in-depth market data—helps you quickly pinpoint agencies that match your needs. Use filters for hourly rate, industry focus, and location to narrow options and build a shortlist that fits your budget and timeline.

Find more resources here:

• Global Top API Development Companies

• API Development Companies in California

• API Development Companies in Texas

• API Development Companies in New York

Ratings Updated: July 22, 2026
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866 Companies

Country: United States

List of the Top United States API Development Services

  • TISA Software LLC Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    250 - 999
    Houston, TX

    Services provided

    10% API Development
    10% AI Development
    10% AR/VR Development +7 services
    10% Application Management & Support
    10% Application Testing
    10% CRM Consulting and SI
    10% Custom Software Development
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Established in 1999, TISA Software LLC is a midsize CRM consulting and SI company. Their services include CRM consulting and SI and IT staff augmentation.

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  • Foster Commerce Logotype

    5.0 7 reviews
    $25,000+
    $150 - $199 / hr
    2 - 9
    Worthington, OH

    Services provided

    10% API Development
    20% E-Commerce Development
    20% Web Design +5 services
    20% Web Development
    10% Application Management & Support
    10% Custom Software Development
    5% Mobile App Development
    5% UX/UI Design

    Foster Commerce is a professional web service development company specializing in API integration and RESTful API development. They have received overwhelmingly positive feedback, with 100% of reviewers praising their project management skills, innovation, and responsiveness. Foster Commerce consistently delivers exceptional results, impressing clients with their problem-solving abilities and commitment to excellence.

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    Reviews mention Exceeds expectations

    Foster Commerce consistently exceeds client expectations, as noted by the CMO of Maxon, who praised their innovative solutions and exceptional project management. They delivered a self-managed, dynamic website with a keen attention to detail and responsiveness. Similarly, the COO of Measure Meant highlighted their unwavering dedication and personalized support throughout the project, treating them as a priority despite their smaller budget. Overall, clients commend Foster Commerce for their commitment to excellence and effective communication.
    • Web Development Services for Business Admin & Mktg Company
      5.0 Apr 29, 2024

      While there were occasional instances where deadlines were not strictly met, it's important to note that these deviations were largely attributable to the dynamic nature of the project scope. Foster Commerce consistently demonstrated a commitment to delivering comprehensive solutions, often going above and beyond the initially agreed-upon requirements. While this occasionally impacted the strict adherence to timelines, their dedication to delivering a superior product never wavered. Their flexibility and willingness to accommodate evolving project needs ultimately resulted in a final deliverable that exceeded our expectations.

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    • Web Design & Dev for Climate Solutions Agency
      5.0 Apr 17, 2024

      Foster Commerce had an unwavering dedication and commitment to excellence from the beginning. Their responsiveness, willingness to go above and beyond, and knack for creative problem-solving were instrumental in guiding Measure Meant through every stage of the process. From the start of the project through to the end, Stephen recorded personalized video tutorials and offered ongoing support. Stephen's approach epitomized a true partnership built on trust and collaboration, and we felt like a major client even though our work was minor in comparison to their other projects.

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    2 of 2 API Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    API Development PROJECT HIGHLIGHT

    E-Commerce Development for Consumer Products Retailer

    5.0 — Foster Commerce developed an e-commerce website for a consumer products retailer. The team built a product configurator and developed website pages on Craft according to the client's design. Read more
    Read 2 Reviews

    Average Project Cost Breakdown

    Less than $10,000 (1) $10,000 to $49,000 (1) $50,000 to $199,999 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently highlight Foster Commerce's competitive pricing and exceptional value for money. Multiple reviews emphasize the company's ability to deliver high-quality solutions within budget constraints, with one client noting they received 'good value for cost' and another mentioning their project was completed 'within the agreed budget.' Overall, sentiment is overwhelmingly positive, with clients appreciating the quality of service relative to the costs involved, reinforcing Foster Commerce as a cost-effective choice for various web development needs.
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    Brooklyn, New York (1) Sylvania, Ohio (1) Long Beach, California (1) Thousand Oaks, California (1) Spokane, Washington (1) Rock Valley, Iowa (1)

    This provider is fluent in 1 language:

    • English
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  • Opus Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Alpharetta, GA

    Services provided

    20% API Development
    20% Cybersecurity
    20% DevOps Managed Services +2 services
    20% IT Managed Services
    20% IT Strategy Consulting

    IT strategy consulting company Opus Technologies was founded in 1997. The company specializes in IT strategy consulting and Cybersecurity, and is midsize.

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  • Eike Consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    San Jose, CA

    Services provided

    10% API Development
    20% Custom Software Development
    20% Mobile App Development +5 services
    10% AI Development
    10% AR/VR Development
    10% DevOps Managed Services
    10% IoT Development
    10% Robotics Process Automation

    Eike Consulting is a software development company. Their team is in San Jose, California and provides Custom Software Development and Mobile App Development.

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  • Pragma Edge Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Jacksonville, FL

    Services provided

    20% API Development
    20% AI Development
    20% BI & Big Data Consulting & SI +2 services
    20% Cloud Consulting & SI
    20% Mobile App Development

    Pragma Edge Inc, a big data analytics company, is headquartered in Jacksonville, Florida. Founded in 2013, the team provides BI & big data consulting & SI and cloud consulting & SI.

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  • Suite Certified Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Cheyenne, WY

    Services provided

    20% API Development
    20% CRM Consulting and SI
    20% ERP Consulting and SI +3 services
    15% AI Agents
    15% Low/No Code Development
    10% E-Commerce Development

    ERP consulting and SI company Suite Certified was launched in 2000. The team provides ERP consulting and SI and CRM consulting and SI and is based in Cheyenne, Wyoming.

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    $1,000 10 Hours $4,000 50 Hours $7,000 100 Hours

    NetSuite Development

    NetSuite Development using SuiteScript, User Interface Framework (UIF), SuiteTalk, SuiteQL, SCM Mobile, Field Service Management, Electronic Bank Payments, SuitePayments, or SuiteCommerce API.
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  • Kemsys Technologies Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    250 - 999
    Dallas, TX

    Services provided

    20% API Development
    60% IoT Development
    20% Application Testing

    IoT development company Kemsys Technologies is based in Dallas, Texas. Launched in 2009, the team focuses on IoT development and Application Testing.

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  • PostcardMania Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Clearwater, FL

    Services provided

    15% API Development
    30% Print Design
    15% Pay Per Click +6 services
    10% Social Media Marketing
    10% Web Design
    5% Account-Based Marketing
    5% Email Marketing
    5% Search Engine Optimization
    5% Video Marketing

    PostcardMania, a print design agency, is based in Clearwater, Florida. Established in 1998, the team offers Print Design and Pay Per Click.

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  • XHTMLCHOP Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    50 - 249
    Edison, NJ

    Services provided

    25% API Development
    25% E-Commerce Development
    25% Email Marketing +2 services
    15% Custom Software Development
    10% Web Design

    If you are looking for the best PSD to HTML conversion services, look no further than XHTMLCHOP. We have a skilled and experienced team that can handle any kind of conversion project. Whether you

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  • Switchboard Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    New York, NY

    Services provided

    50% API Development
    50% AI Consulting

    Switchboard, an AI Consulting and API Development company, was founded in 2024. The team offers AI Consulting and API Development.

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  • Plivo Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Austin, TX

    Services provided

    20% API Development
    30% AI Agents
    15% Call Center Services +5 services
    15% Unified Communications Consulting & SI
    5% AI Development
    5% Cloud Consulting & SI
    5% Customer Service Outsourcing
    5% Other IT Consulting and SI

    Plivo is an AI Agents company. Located in Austin, Texas, their midsize team offers AI Agents and API Development. The firm was founded in 2011.

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  • DXFactor Logotype

    Not yet reviewed

    $50,000+
    $50 - $99 / hr
    50 - 249
    McLean, VA

    Services provided

    25% API Development
    25% Application Testing
    25% Mobile App Development +1 service
    25% Web Development

    DXFactor is a website development company. They are based in McLean, Virginia and have midsize team. They specialize in Web Development and Mobile App Development.

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  • E-gineering, Inc. Logotype

    Not yet reviewed

    $50,000+
    $150 - $199 / hr
    50 - 249
    Indianapolis, IN

    Services provided

    20% API Development
    30% Custom Software Development
    20% Web Development +4 services
    10% Application Testing
    10% Mobile App Development
    5% Enterprise App Modernization
    5% Microservices Architecture Services

    Launched in 2000, E-gineering, Inc. Is a custom software development company. The agency specializes in Custom Software Development and Web Development.

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  • Edges First, LLC Logotype

    5.0 1 review
    $1,000+
    $100 - $149 / hr
    2 - 9
    Durango, CO

    Services provided

    20% API Development
    50% Web Development
    20% Custom Software Development +1 service
    10% Other Application Development

    Edges First, LLC is a web design company recognized for its ability to create functional and visually appealing websites. The firm demonstrates strong alignment with client values and the flexibility to adapt to changing project needs. Positive feedback is overwhelmingly prevalent, with 100% of reviewers noting their responsive communication and impressive ability to interpret and execute client desires effectively.

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    Industry Experience

    Edges First, LLC has demonstrated strong expertise in the nonprofit sector, particularly in addressing affordable housing needs. Clients commend their ability to deliver visually appealing and functional websites that meet specific organizational goals, with notable strengths in responsive communication and project management. The overall sentiment reflects a positive impact in enhancing digital presence for nonprofits, making them a suitable partner for similar organizations seeking effective web solutions.

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    Average Project Cost Breakdown

    What Clients Have Said

    Clients consistently praised Edges First, LLC for their competitive pricing and alignment with budgetary constraints. One client noted, 'Pricing fit our budget' and highlighted the company's ability to adapt to changing project needs. Overall, the sentiment reflects strong value for money, with clients appreciating the balance of cost and quality in service delivery.
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  • Crea Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    10 - 49
    San Jose, CA

    Services provided

    10% API Development
    40% Custom Software Development
    30% Mobile App Development +2 services
    10% Low/No Code Development
    10% Web Design

    Crea specializes in Application Programming Interface Development, offering seamless solutions for payment platforms integrated with top-tier banks. Their reviews highlight exceptional project management, responsiveness, and technical expertise, demonstrating a commitment to client success and innovation. Clients particularly appreciate their ability to deliver high-quality, bug-free solutions within tight timelines, enhancing the overall user experience.

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  • SrinSoft Inc Logotype

    Not yet reviewed

    $100,000+
    $25 - $49 / hr
    250 - 999
    Boca Raton, FL

    Services provided

    15% API Development
    25% Custom Software Development
    20% Application Testing +2 services
    20% DevOps Managed Services
    20% IT Strategy Consulting

    SrinSoft Inc is a custom software development firm. Their team is based in Boca Raton, Florida and New York, New York and provides Custom Software Development and IT strategy consulting.

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  • Cryptex Technologies Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    New York, NY

    Services provided

    25% API Development
    30% Web Development
    25% Custom Software Development +2 services
    10% E-Commerce Development
    10% Other Application Development

    Cryptex Technologies is a small website development firm. Founded in 2007, the team offers Web Development and Custom Software Development.

    Read more
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  • Nexdewtech Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Kalispell, MT

    Services provided

    20% API Development
    25% Custom Software Development
    20% DevOps Managed Services +2 services
    20% Web Development
    15% Mobile App Development

    Nexdewtech is a software development company. Launched in 2026, the agency is in Kalispell, Montana. Their team offers Custom Software Development and Web Development.

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  • TRUEPREDiCT Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Brooklyn, NY

    Services provided

    30% API Development
    70% Custom Software Development

    TRUEPREDiCT is a custom software development firm launched in 2018. The firm provides Custom Software Development and API Development.

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  • Merakite Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Meridian, ID

    Services provided

    10% API Development
    30% Custom Software Development
    20% E-Commerce Development +2 services
    20% Mobile App Development
    20% Web Development

    Merakite is a custom software development company launched in 2017. The team specializes in Custom Software Development and Mobile App Development.

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  • Marketing Fruit Apps Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    2 - 9
    Cedar Hills, UT

    Services provided

    35% API Development
    25% Other Application Development
    25% Web Development +1 service
    15% Mobile App Development

    Marketing Fruit Apps specializes in mobile game development and marketing services, including programming, graphic design, and promotional videos. Overall, their reviews highlight their punctual project management, excellent communication, and dedication to meeting client needs. Clients particularly praise their speed, attention to detail, and professional approach, with no noted areas for improvement.

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  • ZAPTEST Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Atlanta, GA

    Services provided

    20% API Development
    20% DevOps Managed Services
    20% Mobile App Development +4 services
    10% AI Development
    10% IoT Development
    10% Robotics Process Automation
    10% UX/UI Design

    Founded in 1999, ZAPTEST is an application development firm. The team provides Mobile App Development and API Development.

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  • Convertec LLC Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    New York, NY

    Services provided

    20% API Development
    20% Custom Software Development
    20% E-Commerce Development +2 services
    20% Mobile App Development
    20% Web Development

    Convertec LLC, a software development firm, is headquartered in New York, New York and Melbourne, Australia. Launched in 2023, the team focuses on Custom Software Development and Web Development.

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  • redirect.pizza Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    New York, NY

    Services provided

    25% API Development
    25% IT Managed Services
    25% Other IT Consulting and SI +1 service
    25% Unified Communications Consulting & SI

    Redirect.pizza, an unified communications consulting & SI company, was established in 2021. The small team focuses on unified communications consulting & SI and IT managed services.

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  • Sprut Agency Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Daytona Beach, FL

    Services provided

    10% API Development
    20% Custom Software Development
    20% Digital Strategy +4 services
    15% Email Marketing
    15% Social Media Marketing
    10% AI Consulting
    10% AI Development

    Sprut Agency is a software development firm. They offer Custom Software Development and Digital Strategy and were founded in 2025. The agency is based in Daytona Beach, Florida.

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  • AfterNorth Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Bigfork, MN

    Services provided

    20% API Development
    20% Conversion Optimization
    20% Enterprise App Modernization +2 services
    20% IT Managed Services
    20% Web Development

    AfterNorth is a small Conversion Optimization company. They provide Conversion Optimization and IT managed services and were founded in 1998.

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  • Coder Crew Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Brooklyn, NY

    Services provided

    10% API Development
    15% UX/UI Design
    15% Web Development +6 services
    10% AR/VR Development
    10% Blockchain
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Mobile App Development

    Coder Crew is an user experience design agency. Their team is based in Brooklyn, New York and Lahore, Pakistan and focuses on UX/UI Design and Web Development.

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  • Tymon Global Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    50 - 249
    McKinney, TX

    Services provided

    20% API Development
    30% AI Development
    20% Cloud Consulting & SI +2 services
    20% Mobile App Development
    10% IT Staff Augmentation

    Tymon Global is an AI development company. The agency is located in McKinney, Texas. Their team focuses on Artificial Intelligence and cloud consulting & SI.

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  • Crispy Software Solutions Logotype

    4.8 2 reviews
    $5,000+
    $50 - $99 / hr
    2 - 9
    Dyer, IN

    Services provided

    25% API Development
    30% Custom Software Development
    15% Business Consulting +4 services
    10% Low/No Code Development
    10% Web Design
    5% Mobile App Development
    5% Web Development

    Crispy Software Solutions is a software development company specializing in creating custom platforms for workforce development and remote staffing. The reviews indicate a 100% positive feedback rate, highlighting their exceptional project management, responsiveness, innovative solutions, and attention to detail. Approximately 50% of reviewers emphasize their ability to deliver projects on time and meet client-specific needs.

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    Reviews mention Personable

    Crispy Software Solutions received positive feedback for their personable approach and strong attention to detail. One client noted that the company maintained a very personal touch throughout the project, enhancing the overall experience. Additionally, the responsiveness and smooth project management further contributed to a favorable sentiment. Overall, clients expressed satisfaction with the company's communication and support, indicating a high level of trust and collaboration.
    • Dashboard Dev for Virtual Receptionist & Staffing Company
      5.0 Aug 13, 2024

      Crispy Software Solutions had a very personal approach and strong attention to detail. The whole process was very smooth with little bugs. Delivery was smooth and on time.

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    Industry Experience

    Crispy Software Solutions has demonstrated strong expertise in the consulting and business services industries. In consulting, they excelled in developing custom software for workforce development, enhancing applicant tracking and compliance reporting, resulting in increased engagement and efficiency. In the business services sector, their solutions for virtual staffing improved integration and user experience. Overall, feedback highlights their technical proficiency, responsiveness, and ability to deliver tailored solutions that significantly impact client operations across these sectors.

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    Consulting Business services

    Average Project Cost Breakdown

    Less than $10,000 (1) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients have praised Crispy Software Solutions for their competitive pricing and overall value for money. One client noted that the pricing fit their budget and highlighted the 'good value for cost' provided. Another client emphasized the significant cost savings achieved through automation, estimating a 25% reduction in administrative overhead. Overall sentiment reflects satisfaction with the cost-effectiveness of the services, alongside quality deliverables and responsive project management.
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    Canada (1) United States (1)
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  • productOps, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Santa Cruz, CA

    Services provided

    20% API Development
    20% AI Consulting
    20% BI & Big Data Consulting & SI +2 services
    20% Custom Software Development
    20% IoT Development

    ProductOps, Inc. Is a small data analytics company launched in 2008. Their team focuses on BI & big data consulting & SI and Custom Software Development.

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  • Namazu Studios Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    San Diego, CA

    Services provided

    20% API Development
    20% AR/VR Development
    20% Custom Software Development +2 services
    20% Mobile App Development
    20% Web Development

    In San Diego, California, Namazu Studios is a custom software development company. The team focuses on Custom Software Development and Web Development.

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  • Zavod-IT Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    San Francisco, CA

    Services provided

    20% API Development
    20% AI Development
    15% Blockchain +6 services
    10% Custom Software Development
    10% E-Commerce Development
    10% Web Development
    6% Low/No Code Development
    5% Mobile App Development
    4% Other Application Development

    Zavod-IT is an AI company. Their small team is located in San Francisco, California. Their services include Artificial Intelligence and API Development.

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  • uFlow Decision Engine Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Chicago, IL

    Services provided

    20% API Development
    20% AI Development
    20% Cloud Consulting & SI +2 services
    20% Graphic Design
    20% Web Development

    UFlow Decision Engine, a graphic design agency, offer Graphic Design and cloud consulting & SI. They were founded in 2020.

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  • Cloud Dog Consulting Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    2 - 9
    Chesapeake, VA

    Services provided

    35% API Development
    35% Custom Software Development
    30% IT Strategy Consulting

    Cloud Dog Consulting is a small software development company based in Chesapeake, Virginia. The team offers Custom Software Development and API Development.

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  • Zoof04 Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    New York, NY

    Services provided

    25% API Development
    25% AI Development
    25% Mobile App Development +1 service
    25% Web Development

    Midsize AI development company Zoof04, is in New York, New York. Their services include Artificial Intelligence and Web Development.

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  • SRQ Robotics LLC Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Houston, TX

    Services provided

    25% API Development
    25% IoT Development
    25% Mobile App Development +2 services
    15% Web Development
    10% Low/No Code Development

    SRQ Robotics LLC is a mobile application development company. Their team is located in Houston, Texas and Colombo, Sri Lanka. The agency specializes in Mobile App Development and IoT development.

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  • Taliferro Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    20% API Development
    20% AI Development
    20% Cloud Consulting & SI +2 services
    20% E-Commerce Development
    20% Web Development

    Taliferro Group is a cloud consulting & SI company. The Seattle, Washington-based firm was established in 2020. Their services include cloud consulting & SI and Web Development.

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  • STA Soft Logotype

    5.0 2 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Katy, TX

    Services provided

    10% API Development
    30% Custom Software Development
    20% Web Development +4 services
    15% AI Development
    10% Cloud Consulting & SI
    10% Generative AI
    5% Microservices Architecture Services

    STA Soft is a software development company that excels in delivering end-to-end solutions, focusing on backend development, system architecture, and website implementation. Overall, 100% of reviews highlight their reliability, technical competence, and impressive project management skills, with a strong emphasis on communication and timely delivery. Reviewers consistently praise their ability to enhance system performance and scalability while providing excellent value for cost.

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    Reviews mention Timely

    Overall, the sentiment regarding STA Soft's timeliness is highly positive. Clients praised their consistent on-time delivery and effective project management. One client noted, "They delivered things on time, communicated well, and were always responsive when we needed changes or updates." Another highlighted their "structured and reliable approach to project management," emphasizing that STA Soft met all agreed deadlines and milestones without compromising quality. Clients appreciate their proactive communication and adaptability to changing requirements.
    • Software Development Services for Recruitment Company
      5.0 Mar 20, 2026

      STA Soft demonstrated a highly structured and reliable approach to project management throughout the engagement. Their team followed clear processes, maintained transparent communication, and ensured strong alignment with project goals at every stage. They consistently delivered on time, meeting agreed deadlines and milestones. When challenges or scope adjustments arose, STA Soft handled them proactively — communicating early, proposing solutions, and adapting timelines where necessary without compromising overall delivery quality.

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    2 of 2 reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews of STA Soft indicate a highly positive sentiment, highlighting their effective project management and technical expertise. Clients praised their clear communication, timely delivery, and ability to translate complex requirements into well-structured solutions. One client noted significant improvements in system performance and scalability, while another emphasized the team's reliability and capability in web development for SaaS startups. Overall, clients found STA Soft to be a dependable partner with no reported areas for improvement.
    Read 2 Recent Reviews

    Industry Experience

    STA Soft has demonstrated expertise across the Advertising & Marketing and Information Technology sectors. In Advertising & Marketing, they excelled in delivering high-quality, user-friendly websites for SaaS startups, enhancing client engagement and lead generation. Their IT projects involved end-to-end software development, focusing on scalable and reliable systems, which improved performance and efficiency. Overall, feedback indicates that STA Soft is a dependable partner with strong communication and project management skills, making them a suitable choice for clients in both industries.

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    Select Industry to see insights

    Information technology

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    Ukraine (1) United States (1)
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  • Mint Sparks, LLC Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Tampa, FL

    Services provided

    10% API Development
    20% Web Design
    20% Web Development +5 services
    10% Digital Strategy
    10% E-Commerce Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design

    Mint Sparks, LLC is a web design company. They offer Web Design and Web Development and were established in 2015.

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  • Scalesology Logotype

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    10 - 49
    Chicago, IL

    Services provided

    15% API Development
    25% BI & Big Data Consulting & SI
    25% Custom Software Development +5 services
    10% Cybersecurity
    10% DevOps Managed Services
    5% AI Development
    5% Application Management & Support
    5% IT Strategy Consulting

    Scalesology is a big data company. They are based in Chicago, Illinois and Denver, Colorado, and their services include BI & big data consulting & SI and Custom Software Development.

    Read more
    View Profile
  • Bitovi Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    50 - 249
    Libertyville, IL

    Services provided

    10% API Development
    35% Enterprise App Modernization
    20% IT Staff Augmentation +3 services
    15% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development

    Bitovi, an Enterprise App Modernization company, is based in Libertyville, Illinois. They specialize in Enterprise App Modernization and Custom Software Development and were launched in 2007.

    Read more
    View Profile
  • AptlyLabs Inc Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    South Barrington, IL

    Services provided

    20% API Development
    20% Web Development
    15% Custom Software Development +4 services
    15% Enterprise App Modernization
    15% Other Application Development
    10% Low/No Code Development
    5% Mobile App Development

    AptlyLabs Inc is a small software development company. They offer Custom Software Development and Web Development and were launched in 2018.

    Read more
    View Profile
  • DevObsessed Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Omaha, NE

    Services provided

    20% API Development
    20% Custom Software Development
    20% Enterprise App Modernization +2 services
    20% IT Staff Augmentation
    20% Web Development

    DevObsessed is an IT staff augmentation company based in Omaha, Nebraska. Established in 2022, the team specializes in IT staff augmentation and Custom Software Development.

    Read more
    View Profile
  • Hbit Technology Logotype

    5.0 11 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    Kalispell, MT

    Services provided

    20% API Development
    15% Mobile App Development
    15% Web Development +5 services
    10% AI Development
    10% Blockchain
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% UX/UI Design

    Hbit Technology is an API Development company specializing in crafting robust RESTful API frameworks and API integration solutions. With 100% positive feedback, clients praise their commitment to understanding product vision, technical excellence, and proactive project management. They notably excel in real-time analytics and system scalability, ensuring high-performance API solutions tailored for business growth and stability.

    See all 11 projects

    Reviews mention Results-oriented

    The feedback regarding Hbit Technology's results-oriented approach is overwhelmingly positive. Clients highlighted their proactive project management and commitment to understanding specific business needs, which led to significant improvements in system performance and reduced bottlenecks. One client noted how the new API system streamlined workflows, enabling automation with high accuracy. Additionally, their ability to adapt to urgent changes without disruption was commended, reflecting a strong focus on delivering measurable outcomes and value.
    • API Development for Recruitment Software Co
      5.0 Jul 6, 2025

      Since implementing the new API system built by Hbit Technology, the change has been noticeable across multiple fronts. Our integration partners now report faster implementation cycles and fewer technical escalations. Internally, we’ve seen a significant reduction in system bottlenecks during peak usage times, which used to be a pain point during bulk assessments or large-scale onboarding drives. Perhaps the most telling outcome is how our recruitment automation has evolved what used to be a fragmented workflow is now a streamlined, intelligent process. The system handles assessment logic, scoring, reporting, and candidate communication with very little human intervention, yet with high accuracy and reliability.

      Read Full Review
    Read All Reviews

    Industry Experience

    Hbit Technology has demonstrated expertise across diverse industries, including Information Technology, Digital Health, Gaming, and Financial Services. Clients commend their proactive project management, technical proficiency, and ability to deliver scalable solutions tailored to specific needs. In the IT sector, they excel in custom application development, while in Digital Health, they effectively implement complex integrations. The Gaming industry reviews highlight their mobile app development skills. Overall, Hbit Technology is well-suited for clients seeking innovative tech solutions in these sectors.

    Read All Reviews

    Select Industry to see insights

    Other industries Software Information technology Healthcare Gaming

    Average Project Cost Breakdown

    Less than $10,000 (1) $10,000 to $49,000 (1) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients consistently highlight Hbit Technology's competitive pricing and exceptional value for money. One client noted that Hbit's pricing fit their budget while delivering quality work, describing it as 'good value for cost.' Another client emphasized that their commitment to understanding project requirements complemented their affordable rates. Overall, the sentiment reflects satisfaction with the cost-effectiveness of services provided, making Hbit Technology a recommended partner for various development needs.
    Read All Reviews

    View projects from:

    United States (2) Barbados (1) Croatia (1) Poland (1)
    View Profile
  • The Offshore Developers LLC Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Buffalo, NY

    Services provided

    10% API Development
    20% Mobile App Development
    15% E-Commerce Development +5 services
    15% Web Development
    10% AI Agents
    10% AI Consulting
    10% AI Development
    10% Generative AI

    The Offshore Developers LLC is an application development firm. The Buffalo, New York-based company was founded in 2025. Their services include Mobile App Development and Web Development.

    Read more
    View Profile
  • kommit Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Boynton Beach, FL

    Services provided

    10% API Development
    40% Web Development
    20% Custom Software Development +3 services
    10% Blockchain
    10% IT Staff Augmentation
    10% IT Strategy Consulting

    Launched in 2009, kommit is a website development firm. The small team focuses on Web Development and Custom Software Development.

    Read more
    View Profile
  • DSR Corporation Logotype

    4.8 3 reviews
    $10,000+
    $100 - $149 / hr
    50 - 249
    Golden, CO

    Services provided

    10% API Development
    20% IoT Development
    15% Blockchain +7 services
    15% Web Development
    10% Custom Software Development
    10% Enterprise App Modernization
    5% AR/VR Development
    5% Cybersecurity
    5% Mobile App Development
    5% UX/UI Design

    DSR Corporation is a software development company specializing in IoT platforms, cybersecurity, and custom software solutions, including web and mobile app development. Reviewers consistently praise their ability to deliver high-quality, innovative solutions and their proficient project management. While 100% of reviewers commend their technical expertise, some suggest enhancements in communication fluidity and planning efficiency.

    See all 3 projects

    Industry Experience

    DSR Corporation has demonstrated expertise in various industries, including Information Technology, Software, and IoT platforms. Feedback highlights their strengths in solving complex cybersecurity challenges, developing high-quality software solutions, and effectively managing projects with meticulous attention to detail. Clients appreciate their innovation and adaptability to dynamic requirements. Overall sentiment is highly positive, indicating a strong fit for projects in cybersecurity, software development, and IoT, where reliability and technical proficiency are paramount.

    Read All Reviews

    Select Industry to see insights

    Other industries Software Information technology

    Average Project Cost Breakdown

    What Clients Have Said

    Overall, clients express a positive sentiment regarding DSR Corporation's cost and value for money. One client noted their pricing as 'fair' and highlighted the company's attentiveness to detail and timely delivery, stating, 'they’ve always been on budget and on time.' Another client emphasized the 'good value for cost' in their selection of DSR Corporation. The consistent feedback indicates that clients feel they receive high-quality services that justify their investments.
    Read All Reviews

    View projects from:

    United States (2) France (1)
    View Profile
  • SinanSoft Logotype

    Not yet reviewed

    $25,000+
    Undisclosed
    10 - 49
    Laguna Hills, CA

    Services provided

    15% API Development
    50% Custom Software Development
    15% Mobile App Development +2 services
    15% UX/UI Design
    5% AI Consulting

    SinanSoft is a software development firm. Launched in 2015, the agency is in Laguna Hills, California. Their team offers Custom Software Development and API Development.

    Read more
    View Profile
  • Aubrant Digital Logotype

    4.8 2 reviews
    Undisclosed
    Undisclosed
    50 - 249
    Hopkins, MN

    Services provided

    20% API Development
    20% Application Testing
    20% Microservices Architecture Services +4 services
    10% Custom Software Development
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Web Development

    Aubrant Digital specializes in API Development Services, offering comprehensive solutions like REST API Programming and API Integration. The company has received 100% positive feedback, with clients appreciating their genuine interest in client needs and effective project management. Their alignment with client values and good value for cost are frequently highlighted by reviewers.

    See all 2 projects

    Reviews mention Accommodating

    Clients have expressed a highly positive sentiment regarding Aubrant Digital's accommodating nature. Specifically, one reviewer noted their 'willingness to accommodate added responsibilities' and highlighted the team's exceptional integration with the client's IT culture. Additionally, the management was described as 'very attentive and responsive' to client needs, further reinforcing their adaptability and collaborative spirit. Overall, feedback underscores a strong alignment with client expectations and a commitment to fostering a supportive working relationship.
    • Web App Dev & UX/UI Design Staff Aug for Steel Manufacturer
      4.5 Sep 3, 2024

      The management team is very attentive and responsive to our needs. They have been willing to accommodate added responsibilities as requested and have met our expectations. They have blended with our IT culture exceptionally well.

      Read Full Review
    Read All Reviews
    1 of 1 API Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    API Development PROJECT HIGHLIGHT

    Enterprise App Modernization for Transportation Company

    5.0 — EPIC Software Development is modernizing a legacy driver services app for a transportation company. The team is building a new web app using Blazor and Azure, as well as migrating data and Read more
    Read 1 Review

    Industry Experience

    Aubrant Digital has demonstrated expertise across the manufacturing and transportation industries. Clients in manufacturing praised their excellent cultural fit, responsiveness, and timely delivery of web applications, highlighting a strong alignment with operational needs. In transportation, their work on modernizing legacy systems and developing APIs received commendations for their adaptability and commitment to understanding client requirements. Overall, feedback indicates a strong positive sentiment, particularly for projects requiring collaborative integration and modernization.

    Read All Reviews

    Select Industry to see insights

    Manufacturing Transportation

    Average Project Cost Breakdown

    $200,000 to $999,999 (1)

    What Clients Have Said

    Clients frequently commend Aubrant Digital for its competitive pricing and strong value for money. One client noted the company's 'good value for cost' and 'pricing fit our budget,' while another echoed this sentiment, highlighting their 'great culture fit' and alignment with company values. Overall, the feedback reflects a positive sentiment regarding cost-effectiveness, with no significant concerns raised about pricing.
    Read All Reviews
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  • DigiNeat Smart Technologies Logotype

    4.9 7 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Los Angeles, CA

    Services provided

    10% API Development
    25% Custom Software Development
    20% Mobile App Development +4 services
    15% Web Development
    10% Application Testing
    10% IoT Development
    10% UX/UI Design

    DigiNeat Smart Technologies specializes in application programming and mobile app UI/UX design, providing API development services tailored to client needs. Overall, 100% of reviewers praised their excellent communication, attention to detail, and project management skills. Their design work consistently exceeded expectations, showcasing a practical yet aesthetically pleasing approach with no significant areas for improvement noted.

    See all 7 projects

    Reviews mention Timely

    The feedback regarding DigiNeat Smart Technologies highlights their timely delivery and responsiveness. Clients noted that both apps were developed and deployed quickly, demonstrating a commitment to meeting deadlines. The Director of Voice for Christ Ministries emphasized their prompt communication and attentiveness to project requirements, stating, "They were very responsive to our needs." Overall, the sentiment surrounding timeliness is highly positive, with no areas for improvement mentioned in this regard.
    • Mobile App Development for Christian Radio Organization
      5.0 Aug 18, 2025

      They were very responsive to our needs and spent time asking questions to ensure we received what we wanted. Both apps were developed and deployed quickly.

      Read Full Review
    Read All Reviews

    Industry Experience

    DigiNeat Smart Technologies has demonstrated strong expertise in the Telecommunications and Non-profit sectors, providing effective solutions such as digital audio streaming and mobile apps. Clients noted their responsiveness, timely delivery, and alignment with client values, enhancing user engagement and accessibility. Overall sentiment indicates satisfaction with project outcomes, making them a suitable choice for organizations in media-related fields and community-focused initiatives.

    Read All Reviews

    Select Industry to see insights

    Telecommunications Non-profit

    Average Project Cost Breakdown

    What Clients Have Said

    Clients consistently noted that DigiNeat Smart Technologies offers competitive pricing that aligns well with their budgets, making them an attractive choice for various projects. One client highlighted that their pricing fit their budget, while another emphasized the company's values aligning with their own. Overall, the sentiment reflects a strong perception of value for money, with no significant complaints regarding cost or service delivery.
    Read All Reviews

    More responsive than most other service providers

    DigiNeat Smart Technologies is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Sketch Development
2 26 Lines Of Code
3 Bilberrry
4 Pell Software
5 Mystic Media
6 BIX Tech
7 CoSpark
8 Red Hawk Technologies
9 Rocket Code
10 ObjectStyle
11 SmallCo. Inc
12 Ingage Partners
13 Tevpro
14 Launch by NTT DATA
15 ISBX Corp

List of the Top 15 United States API Development Services

  1. Sketch Development Logotype

    Sketch Development

    $10,000+
    $150 - $199 / hr
    10 - 49
    Webster Groves, MO

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  2. 26 Lines Of Code Logotype

    26 Lines Of Code

    $5,000+
    $50 - $99 / hr
    50 - 249
    Miami, FL

    Ability to deliver

    35.4/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    8/10 Market Presence

    Service focus

    30% API Development
    70% Other
    View Profile Visit Website
  3. Bilberrry Logotype

    Bilberrry

    $25,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    37.3/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  4. Pell Software Logotype

    Pell Software

    $1,000+
    $100 - $149 / hr
    10 - 49
    Denver, CO

    Ability to deliver

    36.7/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    9.1/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  5. Mystic Media Logotype

    Mystic Media

    Undisclosed
    Undisclosed
    10 - 49
    Draper, UT

    Ability to deliver

    36.5/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  6. BIX Tech Logotype

    BIX Tech

    $25,000+
    $50 - $99 / hr
    50 - 249
    Miami, FL

    Ability to deliver

    36.3/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  7. CoSpark Logotype

    CoSpark

    $10,000+
    $150 - $199 / hr
    10 - 49
    Irvine, CA

    Ability to deliver

    36.1/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  8. Red Hawk Technologies Logotype

    Red Hawk Technologies

    $10,000+
    $150 - $199 / hr
    50 - 249
    Wilder, KY

    Ability to deliver

    35.4/40.0
    17/20 Reviews
    10/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  9. Rocket Code Logotype

    Rocket Code

    $10,000+
    < $25 / hr
    50 - 249
    Coral Gables, FL

    Ability to deliver

    34.7/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  10. ObjectStyle Logotype

    ObjectStyle

    $10,000+
    $50 - $99 / hr
    50 - 249
    Fairfield, CT

    Ability to deliver

    34.1/40.0
    16.4/20 Reviews
    9.2/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  11. SmallCo. Inc Logotype

    SmallCo. Inc

    $10,000+
    $200 - $300 / hr
    10 - 49
    Miami, FL

    Ability to deliver

    32.1/40.0
    16.2/20 Reviews
    9.7/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    25% API Development
    75% Other
    View Profile Visit Website
  12. Ingage Partners Logotype

    Ingage Partners

    $25,000+
    Undisclosed
    50 - 249
    Blue Ash, OH

    Ability to deliver

    31.5/40.0
    16.8/20 Reviews
    7.5/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    25% API Development
    75% Other
    View Profile Visit Website
  13. Tevpro Logotype

    Tevpro

    $5,000+
    $100 - $149 / hr
    10 - 49
    Houston, TX

    Ability to deliver

    33/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    15% API Development
    85% Other
    View Profile Visit Website
  14. Launch by NTT DATA Logotype

    Launch by NTT DATA

    $25,000+
    $50 - $99 / hr
    250 - 999
    Plano, TX

    Ability to deliver

    32.6/40.0
    15.6/20 Reviews
    10/10 Clients & Experience
    7/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  15. ISBX Corp Logotype

    ISBX Corp

    $25,000+
    $150 - $199 / hr
    50 - 249
    Los Angeles, CA

    Ability to deliver

    33.2/40.0
    16.8/20 Reviews
    9.6/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  16. Hristov Development Logotype

    Hristov Development

    $5,000+
    $25 - $49 / hr
    10 - 49
    Chicago, IL

    Ability to deliver

    32.8/40.0
    16.4/20 Reviews
    9.8/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  17. JetBase.IO Logotype

    JetBase.IO

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sheridan, WY

    Ability to deliver

    32.7/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  18. Alt Digital Technologies Logotype

    Alt Digital Technologies

    $5,000+
    $25 - $49 / hr
    50 - 249
    Davie, FL

    Ability to deliver

    32.4/40.0
    17.6/20 Reviews
    9.6/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  19. LOGICON, LLC Logotype

    LOGICON, LLC

    $25,000+
    $100 - $149 / hr
    10 - 49
    Oakbrook Terrace, IL

    Ability to deliver

    31.8/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    15% API Development
    85% Other
    View Profile Visit Website
  20. Dreamers of Day Logotype

    Dreamers of Day

    $10,000+
    $150 - $199 / hr
    10 - 49
    Plano, TX

    Ability to deliver

    32.3/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    5.9/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  21. Bright Bridge Web Logotype

    Bright Bridge Web

    $1,000+
    $50 - $99 / hr
    10 - 49
    Provo, UT

    Ability to deliver

    32.2/40.0
    16.2/20 Reviews
    8.1/10 Clients & Experience
    7.9/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  22. Zette Logotype

    Zette

    $25,000+
    $100 - $149 / hr
    10 - 49
    Raleigh, NC

    Ability to deliver

    30.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    4/10 Market Presence

    Service focus

    25% API Development
    75% Other
    View Profile Visit Website
  23. Airtight Design Logotype

    Airtight Design

    $25,000+
    $150 - $199 / hr
    10 - 49
    Atlanta, GA

    Ability to deliver

    31.8/40.0
    16.4/20 Reviews
    8.9/10 Clients & Experience
    6.5/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  24. Invowork Logotype

    Invowork

    $5,000+
    $25 - $49 / hr
    10 - 49
    New York, NY

    Ability to deliver

    30.3/40.0
    16.4/20 Reviews
    9.9/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  25. DataCose Logotype

    DataCose

    $5,000+
    $50 - $99 / hr
    10 - 49
    Fort Wayne, IN

    Ability to deliver

    30.3/40.0
    16.4/20 Reviews
    7.9/10 Clients & Experience
    6/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  26. Optimum Consultancy Services Logotype

    Optimum Consultancy Services

    $10,000+
    $150 - $199 / hr
    10 - 49
    Houston, TX

    Ability to deliver

    29.5/40.0
    16.2/20 Reviews
    5.8/10 Clients & Experience
    7.5/10 Market Presence

    Service focus

    15% API Development
    85% Other
    View Profile Visit Website
  27. Aqsa Shahzad Official LLC Logotype

    Aqsa Shahzad Official LLC

    $10,000+
    $50 - $99 / hr
    2 - 9
    Sheridan, WY

    Ability to deliver

    29.9/40.0
    16.6/20 Reviews
    8.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  28. Achieve Internet Logotype

    Achieve Internet

    $50,000+
    $200 - $300 / hr
    10 - 49
    San Diego, CA

    Ability to deliver

    28.6/40.0
    14.6/20 Reviews
    8.4/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  29. DiscoverTec Logotype

    DiscoverTec

    $5,000+
    $150 - $199 / hr
    10 - 49
    Jacksonville, FL

    Ability to deliver

    28.8/40.0
    16.4/20 Reviews
    6.7/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  30. UPlanet Inc Logotype

    UPlanet Inc

    $10,000+
    $25 - $49 / hr
    50 - 249
    Parker, CO

    Ability to deliver

    28.3/40.0
    16.2/20 Reviews
    6.9/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website

United States API Development FAQs

U.S. agencies work at the intersection of leading cloud platforms (AWS, Google Cloud, Microsoft Azure) and fast-moving industries such as fintech and SaaS. Local partners offer:

• Proximity to major tech conferences and venture networks
• Deep familiarity with U.S. compliance standards like HIPAA, SOC 2, and PCI-DSS
• Overlapping time zones for smoother collaboration if your team is also U.S.-based

Whether you need a public API to grow an ecosystem or a private integration to unite legacy systems, U.S. developers can leverage domestic market insights and top-tier talent to accelerate delivery.

API specialists in the U.S. span nearly every vertical. Common sectors include:

• Fintech and banking (payment gateways, open banking)
• E-commerce and retail (product feeds, inventory sync)
• Healthcare (FHIR-compliant patient data exchange)
• Logistics and mobility (real-time tracking APIs)
• Media and entertainment (streaming and rights management)

Niche expertise—such as blockchain, IoT, or AI/ML—can often be found in regional clusters like Austin, Seattle, and San Francisco.

  1. Define success metrics—throughput, latency, user adoption.
  2. Shortlist agencies with domain case studies similar to your use case.
  3. Verify security credentials (SOC 2, ISO 27001) and DevOps tooling.
  4. Request an architecture proposal and proof-of-concept timeline.
  5. Check Clutch reviews for project management style and communication transparency.

A brief technical interview with the proposed lead architect often reveals how well the team understands your stack and business goals.

• No clear versioning or documentation plan
• Reliance on proprietary middleware that locks you in
• Vague estimates without a discovery phase
• Limited experience with automated testing, CI/CD, or monitoring
• Inability to explain compliance implications for your industry

Choosing a partner who prioritizes scalability, security, and open standards will save costly rewrites down the road.

Hourly rates usually range from $120 – $225, reflecting senior talent and higher operating costs in major tech cities. Typical project budgets break down as:

  • Simple REST or GraphQL endpoint: $15,000 – $30,000
  • Mid-sized integration layer (multiple third-party systems): $40,000 – $90,000
  • Enterprise-grade, high-availability API platform: $100,000+

Many agencies offer discovery sprints or fixed-price MVP packages to de-risk the scope before long-term engagement.​

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