Leave a Review For Providers 0 0
  • Post a Project
Home API Development United States

Top REST API Developers in the United States

From Silicon Valley’s cloud pioneers to fintech innovators in New York and Austin’s vibrant startup scene, the United States is a global hub for robust, secure REST API development.

Clutch makes it easy to sort through hundreds of U.S. providers by collecting in-depth client reviews, project portfolios, and quantitative performance metrics. Use our filters to narrow firms by hourly rate, team size, industry focus, or location—so whether you need a lightweight MVP or enterprise-grade microservices, you’ll quickly connect with a developer that meets your exact requirements.

Ready to explore? Start with these curated resources:

• Top REST API Developers

• REST API Developers in New York City

• REST API Developers in San Francisco

• REST API Developers in Chicago

Ratings Updated: July 22, 2026
We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust

15 Leaders 15 Contenders

Get Matched

221 Companies

Country: United States
API Type: REST API

List of the Top United States REST API Development Services

  • The Elens Bay Company, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Green Cove Springs, FL

    Services provided

    10% API Development
    15% BI & Big Data Consulting & SI
    15% Cloud Consulting & SI +5
    15% Custom Software Development
    15% Mobile App Development
    10% Enterprise App Modernization
    10% Graphic Design
    10% Wearable App Development

    Focus Areas

    100% REST API

    The Elens Bay Company, LLC is a Green Cove Springs, Florida-based business intelligence company. They focus on BI & big data consulting & SI and cloud consulting & SI and were established in 2012.

    Read more
    View Profile
  • CommiITt, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Edison, NJ

    Services provided

    10% API Development
    10% Application Testing
    10% BI & Big Data Consulting & SI +7
    10% Blockchain
    10% Corporate Training & Coaching
    10% Custom Software Development
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    50% REST API
    50% SOAP API

    CommiITt, LLC is an user experience design agency. Their small team is in Edison, New Jersey and specializes in UX/UI Design and IT strategy consulting. The company was founded in 2017.

    Read more
    View Profile
  • RC Website Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Shillington, PA

    Services provided

    10% API Development
    10% Content Marketing
    10% Conversion Optimization +7
    10% E-Commerce Development
    10% Email Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    10% Web Development

    Focus Areas

    50% REST API
    50% SOAP API

    RC Website Group is a social media marketing company launched in 2014. The small team specializes in Social Media Marketing and Content Marketing.

    Read more
    View Profile

    • Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

    Get My Matches
  • Cypher Core LLC Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Austin, TX

    Services provided

    50% API Development
    25% Custom Software Development
    15% AI Development +2
    5% E-Commerce Development
    5% Web Development

    Focus Areas

    50% REST API
    30% Partner API
    20% Webhook API

    Cypher Core LLC is an API Development company. In Austin, Texas, the company was founded in 2019. Their services include API Development and Custom Software Development.

    Read more
    View Profile
  • Devcoded IT Solutions Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Brentwood, TN

    Services provided

    20% API Development
    10% Application Testing
    10% Custom Software Development +6
    10% E-Commerce Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Development

    Focus Areas

    55% REST API
    40% Webhook API
    5% Partner API

    Devcoded IT Solutions is an API Development company. The firm is headquartered in Pabna, Bangladesh and Brentwood, Tennessee. Their services include API Development and Custom Software Development.

    Read more

    Brentwood, TN

    419 Red Sunset Court
    Brentwood, TN 37027

    6 - 9

    3478890323

    See All Locations (2)
    View Profile
  • Softellar Logotype

    5.0 12 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    New York, NY

    Services provided

    10% API Development
    10% Application Testing
    10% Cloud Consulting & SI +7
    10% Custom Software Development
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Microservices Architecture Services
    10% Mobile App Development
    10% Other Application Development
    10% Web Development

    Focus Areas

    25% REST API
    25% OPEN API
    20% Webhook API +2
    15% RPC API
    15% SOAP API

    Softellar is a versatile IT solutions provider specializing in cloud migration, software development, and data analytics. The company consistently receives positive feedback for its expertise, project management, and effective communication. Approximately 100% of reviews highlight their ability to meet deadlines and deliver projects with precision. Clients commend Softellar for their seamless integration, dedication, and contribution to improving operational efficiency and decision-making capabilities.

    See all 12 projects

    Reviews mention Timely

    Clients consistently praised Softellar for their timely delivery and responsive project management. One CEO noted, 'They delivered all components on time, adhered to the migration roadmap, and were highly responsive to our needs.' Another client highlighted, 'Everything was on time as promised,' reflecting overall satisfaction with Softellar's commitment to meeting deadlines. This strong emphasis on punctuality contributed positively to the clients' experiences and project outcomes.
    • Cloud Consulting & SI for Skincare Company
      5.0 Jul 26, 2024

      Softellar's project management was excellent. They delivered all components on time, adhered to the migration roadmap, and were highly responsive to our needs, addressing any concerns promptly and maintaining clear communication throughout the process.

      Read Full Review
    Read All Reviews

    Industry Experience

    Softellar has demonstrated expertise in the Beauty & Cosmetics and Healthcare industries. Clients in Beauty praised their cloud migration strategies, highlighting seamless integration and excellent project management. In Healthcare, companies noted Softellar's ability to enhance performance and reliability through technology strategies and data analytics. Overall sentiment across both sectors is highly positive, with clients emphasizing Softellar's strong communication, responsiveness, and alignment with company values, making them a suitable partner for projects in these fields.

    Read All Reviews

    Select Industry to see insights

    Beauty & Cosmetics Healthcare

    Average Project Cost Breakdown

    $50,000 to $199,999 (2) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently praised Softellar for offering good value for cost, with multiple reviews highlighting that their pricing aligns well with project budgets. For instance, one client noted the 'pricing fit our budget' and emphasized 'good value for cost.' Another client echoed this sentiment, stating that Softellar's services exceeded expectations, indicating a strong overall sentiment regarding value and affordability.
    Read All Reviews

    More responsive than most other service providers

    Softellar is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Innovigo Logotype

    5.0 5 reviews
    $10,000+
    $50 - $99 / hr
    2 - 9
    Mechanicsburg, PA

    Services provided

    15% API Development
    15% Custom Software Development
    15% Mobile App Development +5
    15% Web Development
    10% Application Testing
    10% Microservices Architecture Services
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% REST API
    25% OPEN API
    25% Partner API +1
    25% Webhook API

    Innovigo is a custom software development company recognized for its expertise in delivering tailored solutions across diverse industries. Reviews highlight their strong project management, timely delivery, and excellent communication, with 100% of clients noting satisfaction in their work quality and professionalism. Approximately 33% of reviewers emphasize the company’s culture fit and value for cost.

    See all 5 projects

    Industry Experience

    Innovigo has demonstrated expertise across the software and eCommerce sectors, receiving positive feedback for their dedication, effective communication, and technical proficiency. In software development, clients highlighted their ability to create tailored solutions that streamline operations and enhance user satisfaction. In eCommerce, Innovigo's contributions led to significant improvements in operational efficiency and data accuracy. Overall, Innovigo is well-suited for projects seeking innovative custom software solutions in both software and eCommerce industries.

    Read All Reviews

    Select Industry to see insights

    Software eCommerce

    Average Project Cost Breakdown

    $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently highlight Innovigo's strong value for money, noting that their pricing aligns well with project budgets while delivering high-quality results. One client emphasized the 'good value for cost,' reflecting satisfaction with the services provided in relation to the investment. Additionally, another review stated that Innovigo's dedication to quality and effective communication reinforced their perception of receiving excellent value. Overall, the sentiment is overwhelmingly positive regarding Innovigo's cost-effectiveness and the quality of their work.
    Read All Reviews

    View projects from:

    Germany (1) United States (1) England (1)

    Mechanicsburg, PA

    82 Keefer Way
    Mechanicsburg, PA 17055

    1

    See All Locations (3)
    View Profile
  • Cogtix Logotype

    5.0 12 reviews
    $10,000+
    < $25 / hr
    50 - 249
    New York, NY

    Services provided

    10% API Development
    25% Mobile App Development
    25% Web Development +4
    15% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    5% Commercial Development

    Focus Areas

    75% REST API
    5% OPEN API
    5% Partner API +3
    5% RPC API
    5% SOAP API
    5% Webhook API

    Cogtix Solutions is an API Development services company known for their comprehensive application programming interface solutions, including RESTful API Development and API Integration. Among their reviews, 100% highlighted their exceptional project management and responsive communication, with clients praising their ability to deliver high-quality products on time. Clients also appreciated Cogtix Solutions' motivated team and alignment with company values.

    See all 12 projects

    Reviews mention Great project management

    Cogtix Solutions has received positive feedback regarding their project management capabilities. Clients noted the team's proactive communication and responsiveness, highlighting timely weekly meetings and thorough updates. One client emphasized the initiative taken by the team to fulfill project requirements, resulting in the successful launch of a comprehensive app. The overall sentiment reflects satisfaction with Cogtix Solutions' ability to manage projects effectively and deliver results on schedule.
    • CGM Reader App Dev for HealthTech Company
      5.0 Dec 5, 2024

      Team at Cogtix were active on responding to different requests and took initiative to complete the project. We had timely weekly meet and also some adhoc meetings when required. They were always ready with the updates. Overall a good project management.

      Read Full Review
    Read All Reviews

    Industry Experience

    Cogtix Solutions has demonstrated expertise in the Wellness & Fitness and Software industries. In the Wellness sector, they excelled in delivering a comprehensive app for diabetic patients, showcasing strong project management and technical skills. Their impact in the Software industry is similarly positive, with clients praising their communication and timely delivery during application updates. Overall, the sentiment reflects a strong alignment in values and commitment to quality, making them a suitable partner for projects in these industries.

    Read All Reviews

    Select Industry to see insights

    Wellness & Fitness Software

    View projects from:

    India (1) Italy (1)

    New York, NY

    1740 Broadway, 15th Floor
    New York, NY 10019

    2 - 5

    +1 (862) 365-8448

    See All Locations (4)
    View Profile
  • Adminix Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Chicago, IL

    Services provided

    25% API Development
    20% AI Development
    20% Enterprise App Modernization +3
    15% Custom Software Development
    10% DevOps Managed Services
    10% Low/No Code Development

    Focus Areas

    50% REST API
    20% OPEN API
    15% RPC API +1
    15% Webhook API

    Adminix is a software development firm headquartered in Chicago, Illinois and Vyshhorod, Ukraine. Founded in 2022, the team offers Custom Software Development and API Development.

    Read more
    View Profile
  • ReemRose Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Miami, FL

    Services provided

    15% API Development
    15% Cloud Consulting & SI
    15% Enterprise App Modernization +4
    15% Microservices Architecture Services
    15% Other Application Development
    15% Web Development
    10% Other IT Consulting and SI

    Focus Areas

    20% REST API
    20% OPEN API
    20% Partner API +2
    20% RPC API
    20% Webhook API

    Launched in 2024, ReemRose is a small Miami, Florida-based cloud consulting & SI company. Their services include cloud consulting & SI and Web Development.

    Read more
    View Profile
  • StudioKrew Logotype

    4.7 3 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Chicago, IL

    Services provided

    10% API Development
    20% Mobile App Development
    15% AR/VR Development +5
    15% Custom Software Development
    10% IoT Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    20% REST API
    20% OPEN API
    20% Partner API +2
    20% SOAP API
    20% Webhook API

    StudioKrew is a versatile software development company specializing in product development, ERP systems, CRM solutions, and app development for both iOS and Android platforms. With overwhelmingly positive feedback, clients commend their technical flexibility, marketing prowess, and effective communication, with over 90% expressing satisfaction. However, minor improvements in time management have been suggested by 33% of reviewers.

    See all 3 projects

    Reviews mention Reliable

    Clients consistently describe Studio Krew as reliable, emphasizing their accountability and availability throughout the project. One client noted that their principal was always accessible, even during off-hours, demonstrating a commitment to support. The team efficiently resolved issues, delivering projects on time and maintaining effective communication. Overall, the sentiment reflects strong trust in Studio Krew's reliability, with clients expressing satisfaction and willingness to recommend their services.
    • Mobile App Dev for Co-Working Platform
      5.0 Oct 11, 2018

      Their principal is reliable and accountable. He’s always available, even when we call him in the middle of the night. We had some early issues in the process, but it turned out well in the end. Generally, they’re efficient and effective. They delivered the project on time and made sure tasks were completed on time.

      Read Full Review
    Read All Reviews

    Industry Experience

    Studio Krew has demonstrated substantial expertise across various industries, including business services, co-working spaces, and arts and entertainment. Clients praise their ability to develop custom applications, manage complex projects, and deliver effective marketing strategies, leading to successful products and increased user engagement. Overall sentiment is positive, highlighting their flexibility, communication skills, and commitment to client satisfaction, making them a strong candidate for projects in technology-driven sectors.

    Read All Reviews

    Select Industry to see insights

    Business services IT Services Arts, entertainment & music

    Average Project Cost Breakdown

    $50,000 to $199,999 (2) Less than $10,000 (1)

    What Clients Have Said

    Clients generally perceive Studio Krew as offering good value for money, with one client noting they exceeded expectations despite budget concerns. Investments ranged from $786 to approximately $100,900, reflecting a range of project complexities. Feedback highlights the team's flexibility and responsiveness, with successful project outcomes leading to increased user engagement and client satisfaction. However, some clients suggested improvements in time management to enhance efficiency further.
    Read All Reviews

    Chicago, IL

    111 North Wabash Ave. Ste.100
    Chicago, IL 60602

    2 - 5

    +12893022793

    See All Locations (3)
    View Profile
  • Scottsdale Cloud Specialists Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    50 - 249
    Scottsdale, AZ

    Services provided

    10% API Development
    35% Cloud Consulting & SI
    30% Custom Software Development +3
    15% DevOps Managed Services
    5% Enterprise App Modernization
    5% IT Staff Augmentation

    Focus Areas

    65% REST API
    15% Webhook API
    10% OPEN API +3
    5% SOAP API
    3% Partner API
    2% RPC API

    Scottsdale Cloud Specialists, a cloud consulting & SI company, is located in Scottsdale, Arizona. They specialize in cloud consulting & SI and Custom Software Development.

    Read more
    View Profile
  • Modern McGuire Productions Logotype

    Not yet reviewed

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

    Services provided

    15% API Development
    35% Web Development
    25% Custom Software Development +2
    15% Mobile App Development
    10% IT Staff Augmentation

    Focus Areas

    100% REST API

    Modern McGuire Productions is a web development firm. The company is in Austin, Texas. Their services include Web Development and Custom Software Development.

    Read more
    View Profile
  • IMANT Group Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Gastonia, NC

    Services provided

    25% API Development
    35% Custom Software Development
    25% Web Development +1
    15% Application Management & Support

    Focus Areas

    60% REST API
    20% OPEN API
    20% Webhook API

    IMANT Group is a software development firm. They are located in Gastonia, North Carolina and have small team. They specialize in Custom Software Development and API Development.

    Read more
    View Profile
  • SOFT PYRAMID LLC Logotype

    5.0 3 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Huntsville, AL

    Services provided

    30% API Development
    20% Web Development
    14% Low/No Code Development +5
    10% Custom Software Development
    10% Microservices Architecture Services
    10% Other Application Development
    5% DevOps Managed Services
    1% Web Design

    Focus Areas

    100% REST API

    SOFT PYRAMID LLC is a software development company specializing in web development, custom ecommerce platforms, and enterprise software solutions. Reviews indicate a 100% satisfaction rate, with clients praising their communication, timeliness, and ability to exceed expectations. Their efficient project management and skilled team consistently deliver successful outcomes, making them a highly recommended partner in the industry.

    See all 3 projects

    Reviews mention Timely

    Clients have consistently praised SOFT PYRAMID LLC for their timely execution of projects. One CEO noted that the company 'executed and delivered on deadline' and emphasized their 'very communicative' nature, ensuring that all deadlines were met. Overall, the sentiment regarding timeliness is highly positive, with clients appreciating their reliability and commitment to punctuality in project management.
    • Website Development & Maintenance for Design Company
      5.0 Nov 29, 2022

      They were very communicative and always on time with deadlines. Very communicative, easy to work with and went above and beyond on all details.

      Read Full Review
    Read All Reviews

    Industry Experience

    Soft Pyramid LLC has demonstrated significant expertise across the Design and Software industries. In Design, they excelled in website development and maintenance, receiving praise for their communication and timely delivery. In Software, they have successfully completed various projects, including custom eCommerce platforms and API development, with notable improvements in SEO and application performance. Overall, the sentiment indicates strong client satisfaction, highlighting Soft Pyramid's capabilities in meeting diverse project needs across these sectors.

    Read All Reviews

    Select Industry to see insights

    Design Software

    Average Project Cost Breakdown

    $10,000 to $49,000 (2)

    What Clients Have Said

    Clients consistently commend SOFT PYRAMID LLC for their competitive pricing and the exceptional value they provide. One client noted their costs were low compared to competitors, while another highlighted that the projects were delivered on time and exceeded expectations. Overall sentiment reflects a strong appreciation for the company's ability to deliver high-quality work at reasonable rates, reinforcing their reputation as a valuable partner in software development.
    Read All Reviews

    View projects from:

    Denver, Colorado (1) Lehi, Utah (1) Glenwood, Florida (1)
    View Profile
  • Indigo Logic LLC Logotype

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    2 - 9
    Olathe, KS

    Services provided

    20% API Development
    20% Cloud Consulting & SI
    20% Enterprise App Modernization +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    60% REST API
    20% OPEN API
    20% Webhook API

    Cloud consulting & SI company Indigo Logic LLC specializes in cloud consulting & SI and Web Development. They are in Olathe, Kansas.

    Read more
    View Profile
  • Onyxer Digital Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Miami, FL

    Services provided

    10% API Development
    30% Web Design
    30% Web Development +2
    20% E-Commerce Development
    10% Graphic Design

    Focus Areas

    50% REST API
    50% Webhook API

    Located in Miami, Florida, Onyxer Digital is a small web design company. The team focuses on Web Design and Web Development.

    Read more
    View Profile
  • Lumaya Partners Logotype

    5.0 1 review
    $10,000+
    $100 - $149 / hr
    2 - 9
    Raleigh, NC

    Services provided

    10% API Development
    20% AI Agents
    20% AI Consulting +4
    20% Generative AI
    10% AI Development
    10% Custom Software Development
    10% Web Development

    Focus Areas

    80% REST API
    20% Webhook API

    Lumaya Partners is an independent AI software studio in Raleigh, NC. We design and ship AI-powered software end to end — LLM pipelines, document processing, retrieval and semantic search,

    Read more
    See all 1 projects
    View Profile
  • Hawkdive Media Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9
    Naperville, IL

    Services provided

    30% API Development
    15% E-Commerce Development
    15% Low/No Code Development +5
    10% Search Engine Optimization
    10% Web Design
    10% Web Development
    5% CRM Consulting and SI
    5% DevOps Managed Services

    Focus Areas

    20% REST API
    25% Partner API
    25% Webhook API +2
    20% OPEN API
    10% SOAP API

    Located in Naperville, Illinois and Budapest, Hungary, Hawkdive Media is a small API Development company. Their services include API Development and Web Development.

    Read more
    View Profile
  • MyGeo LLC Logotype

    Not yet reviewed

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

    Services provided

    20% API Development
    20% Enterprise App Modernization
    20% IT Strategy Consulting +3
    20% Web Development
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    100% REST API

    Based in Miami, Florida, MyGeo LLC is an IT strategy consulting company. Founded in 2024, the team provides IT strategy consulting and Custom Software Development.

    Read more
    View Profile
  • SignalEDI Inc Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Dover, DE

    Services provided

    40% API Development
    25% Supply Chain Management
    20% Custom Software Development +1
    15% IT Managed Services

    Focus Areas

    30% REST API
    55% Partner API
    5% OPEN API +2
    5% RPC API
    5% SOAP API

    SignalEDI Inc is a Dover, Delaware-based API Development company. The team offers API Development and Supply Chain Management.

    Read more
    View Profile Visit Website
  • MW4 Digital Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Coldwater, MS

    Services provided

    10% API Development
    35% Web Development
    20% BI & Big Data Consulting & SI +2
    20% Web Design
    15% Custom Software Development

    Focus Areas

    60% REST API
    40% OPEN API

    MW4 Digital is a website development company. Founded in 2024, the firm is located in Coldwater, Mississippi. Their services include Web Development and BI & big data consulting & SI.

    Read more
    View Profile
  • Starrett Projects Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer
    Jasper, GA

    Services provided

    25% API Development
    50% Web Development
    25% Custom Software Development

    Focus Areas

    40% REST API
    40% OPEN API
    20% Webhook API

    Starrett Projects is a web development firm. They were established in 2022, and their services include Web Development and Custom Software Development.

    Read more
    View Profile
  • Haystack Midwest Inc Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Kansas City, MO

    Services provided

    15% API Development
    15% Cloud Consulting & SI
    15% Mobile App Development +5
    15% Web Development
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    80% REST API
    20% Webhook API

    Haystack Midwest Inc, a big data analytics company, is located in Kansas City, Missouri. They focus on BI & big data consulting & SI and cloud consulting & SI.

    Read more
    View Profile
  • Upgrade Consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Pasadena, CA

    Services provided

    10% API Development
    10% AI Development
    10% Custom Software Development +7
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    40% REST API
    40% Partner API
    10% OPEN API +1
    10% Webhook API

    Web design agency Upgrade Consulting focuses on Web Design and UX/UI Design. They were launched in 2023.

    Read more
    View Profile
  • Pixeera Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Sheridan, WY

    Services provided

    15% API Development
    40% Custom Software Development
    35% Web Development +1
    10% E-Commerce Development

    Focus Areas

    70% REST API
    15% OPEN API
    15% Webhook API

    Pixeera is a small software development firm. Launched in 2026, the team provides Custom Software Development and Web Development.

    Read more
    View Profile
  • Launch Up Labs Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Anaheim, CA

    Services provided

    10% API Development
    40% Custom Software Development
    10% HR Outsourcing +4
    10% Low/No Code Development
    10% Microservices Architecture Services
    10% Recruitment Process Outsourcing
    10% Web Development

    Focus Areas

    80% REST API
    20% Webhook API

    Launch Up Labs, a software development firm, was founded in 2024. The agency offers Custom Software Development and Web Development.

    Read more
    View Profile
  • WP Labs Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Miami, FL

    Services provided

    10% API Development
    25% AI Development
    20% Custom Software Development +4
    15% AI Consulting
    10% AI Agents
    10% IT Strategy Consulting
    10% Web Development

    Focus Areas

    70% REST API
    30% Webhook API

    WP Labs is a small AI development company based in Miami, Florida. The team specializes in Artificial Intelligence and Custom Software Development.

    Read more
    View Profile
  • Launchpad Solutions Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Austin, TX

    Services provided

    10% API Development
    20% Custom Software Development
    10% Branding +6
    10% Business Consulting
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    50% REST API
    25% RPC API
    25% Webhook API

    Launchpad Solutions is a custom software development company. Located in Austin, Texas, the firm was launched in 2020. Their team focuses on Custom Software Development and Branding.

    Read more
    View Profile
  • WebhookDB Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Portland, OR

    Services provided

    80% API Development
    20% Cloud Consulting & SI

    Focus Areas

    70% REST API
    30% OPEN API

    WebhookDB is an API Development company. The team provides API Development and cloud consulting & SI and is based in Portland, Oregon.

    Read more
    View Profile
  • Loadster Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Phoenix, AZ

    Services provided

    50% API Development
    50% Application Testing

    Focus Areas

    50% REST API
    50% SOAP API

    Loadster is an Application Testing and API Development company. Their small team is located in Phoenix, Arizona. Their team offers Application Testing and API Development.

    Read more
    View Profile
  • Dark Sources Security Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Phoenix, AZ

    Services provided

    50% API Development
    50% Cybersecurity

    Focus Areas

    100% REST API

    Dark Sources Security, a small Cybersecurity and API Development company, is headquartered in Phoenix, Arizona. Their services include Cybersecurity and API Development.

    Read more
    View Profile
  • OLR Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Minneapolis, MN

    Services provided

    10% API Development
    20% Application Testing
    20% Custom Software Development +3
    20% IT Managed Services
    20% UX/UI Design
    10% DevOps Managed Services

    Focus Areas

    50% REST API
    50% SOAP API

    OLR is an user experience company. The team provides UX/UI Design and IT managed services and is based in City of London, England and Minneapolis, Minnesota.

    Read more

    Minneapolis, MN

    100 South Fifth Street, Suite 850
    Minneapolis, MN 55402

    2 - 5

    612-436-4970

    See All Locations (2)
    View Profile
  • Eventtia Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Miami, FL

    Services provided

    20% API Development
    40% Event Management
    40% Event Marketing

    Focus Areas

    100% REST API

    Eventtia is a Miami, Florida-based Event Marketing company. They specialize in Event Marketing and Event Management and were founded in 2014.

    Read more
    View Profile
  • Avalon Development Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Tamarac, FL

    Services provided

    40% API Development
    30% Custom Software Development
    30% Web Development

    Focus Areas

    100% REST API

    API Development company Avalon Development Inc. Is headquartered in Tamarac, Florida. They provide API Development and Custom Software Development.

    Read more
    View Profile
  • Devzonik Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Austin, TX

    Services provided

    10% API Development
    45% E-Commerce Development
    35% Web Development +1
    10% Low/No Code Development

    Focus Areas

    50% REST API
    20% OPEN API
    15% Partner API +1
    15% Webhook API

    Founded in 2019, Devzonik is an e-commerce development company. The team provides E-Commerce Development and Web Development.

    Read more

    Austin, TX

    Lane Road
    Austin, TX 77418

    1

    +19406042762

    See All Locations (2)
    View Profile
  • bycoders_ Logotype

    5.0 1 review
    $50,000+
    $50 - $99 / hr
    50 - 249
    Long Beach, CA

    Services provided

    10% API Development
    12% Low/No Code Development
    10% Application Management & Support +13
    10% Custom Software Development
    10% IT Staff Augmentation
    10% Web Development
    5% AI Development
    5% Application Testing
    5% DevOps Managed Services
    5% Enterprise App Modernization
    5% Microservices Architecture Services
    5% Product Design
    5% UX/UI Design
    1% Mobile App Development
    1% Other Application Development
    1% Web Design

    Focus Areas

    30% REST API
    40% Webhook API
    15% SOAP API +3
    5% OPEN API
    5% Partner API
    5% RPC API

    Bycoders_ is a distinguished IT company specializing in mobile application development, noted for their ability to deliver projects with an exceptional cost-benefit ratio. They have received high praise for quickly understanding project scopes and assembling the right team, leading to the success of projects like the award-winning traffic-control app. Positive reviews underscore their effective project management and responsiveness, with 100% of feedback highlighting their exemplary service.

    See all 1 projects

    Industry Experience

    Bycoders has demonstrated expertise in the Information Technology sector, particularly in urban mobility solutions. Clients have praised their quick understanding of project scopes, effective professional allocation, and strong project management skills. Feedback highlights their excellent cost-benefit ratio and impact on traffic improvement projects, notably receiving an Innovation Award in Brazil. Overall sentiment reflects satisfaction with their responsiveness and value, making them a suitable partner for IT projects focused on mobility and innovation.

    Read All Reviews

    Select Industry to see insights

    Information technology

    Average Project Cost Breakdown

    $50,000 to $199,999 (1)

    What Clients Have Said

    Clients have consistently highlighted bycoders_' excellent cost-benefit ratio, noting it as a primary reason for their selection. One reviewer stated that bycoders' swift understanding of project scope and effective allocation of professionals contributed significantly to project success, emphasizing good value for cost. Overall sentiment reflects satisfaction with the pricing structure, suggesting that clients find the services offered to be worth the investment.
    Read All Reviews

    Long Beach, CA

    375 Redondo Avenue
    Long Beach, CA 90814

    2 - 5

    +1 (424) 298-1844

    See All Locations (3)
    View Profile
  • OracleAPEXConsultant Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Marietta, GA

    Services provided

    30% API Development
    20% Cloud Consulting & SI
    20% Custom Software Development +2
    20% Mobile App Development
    10% CRM Consulting and SI

    Focus Areas

    50% REST API
    50% SOAP API

    API Development company OracleAPEXConsultant was launched in 2010. Located in Marietta, Georgia, the team focuses on API Development and cloud consulting & SI.

    Read more
    View Profile
  • SpartanSoft, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Newtown, CT

    Services provided

    30% API Development
    40% Custom Software Development
    20% Cloud Consulting & SI +1
    10% DevOps Managed Services

    Focus Areas

    100% REST API

    SpartanSoft, Inc. Is a software development company headquartered in Newtown, Connecticut. Their services include Custom Software Development and API Development.

    Read more
    View Profile
  • Blue Trail Software Logotype

    5.0 2 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Oakland, CA

    Services provided

    10% API Development
    30% Custom Software Development
    15% Application Testing +5
    15% Building Security Services
    10% Mobile App Development
    10% Web Development
    5% AI Development
    5% UX/UI Design

    Focus Areas

    50% REST API
    20% OPEN API
    15% Webhook API +3
    10% Partner API
    3% SOAP API
    2% RPC API

    Blue Trail Software is a distinguished API Development services company, praised for delivering high-quality, on-time, and on-budget solutions. Their stellar communication and ability to manage ambiguity impressed 100% of reviewers, with 0% citing areas for improvement. The company is noted for its alignment with client values and proactive collaboration.

    See all 2 projects
    1 of 1 API Development reviews are 5 stars
    1 new review for API Development in past 6 months
    $200,000 – $999,999 avg. project cost

    API Development PROJECT HIGHLIGHT

    Core App Modules for Credit Solutions Company

    5.0 — Blue Trail Software finished modules for a credit solutions company's core application. Read more
    Read 1 Review

    Average Project Cost Breakdown

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

    What Clients Have Said

    Clients consistently highlight Blue Trail Software's competitive pricing and excellent value for money. For instance, the CEO of Futurepay Inc. noted that their pricing fit the budget and provided good value for the cost, resulting in on-time and on-budget delivery of high-quality work. Similarly, the CEO of The Quantum Soul praised their affordability and remarked that they delivered a fantastic product, emphasizing the company's ability to meet financial expectations while maintaining quality.
    Read All Reviews

    View projects from:

    Germany (1) United States (1)
    View Profile
  • NCIT Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Raleigh, NC

    Services provided

    10% API Development
    10% AI Development
    10% Cloud Consulting & SI +7
    10% Computer Engineering
    10% Custom Software Development
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    100% REST API

    NCIT Solutions is an user experience design agency. Launched in 2010, their team focuses on UX/UI Design and Graphic Design.

    Read more
    View Profile
  • BRIGHTPEERS Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    Chandler, AZ

    Services provided

    20% API Development
    30% Web Development
    20% Blockchain +2
    20% Custom Software Development
    10% Application Testing

    Focus Areas

    100% REST API

    BRIGHTPEERS is a website development company founded in 2023. The firm provides Web Development and Custom Software Development, and is small.

    Read more

    Chandler, AZ

    3544 South Jasmine Drive
    Chandler, AZ 85286

    2 - 5

    +16025635909

    See All Locations (2)
    View Profile
  • Monarch Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Melbourne, FL

    Services provided

    20% API Development
    10% AI Development
    10% BI & Big Data Consulting & SI +6
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Focus Areas

    50% REST API
    50% SOAP API

    Monarch Solutions is a CRM consulting and SI company. They are in Melbourne, Florida. Their team focuses on CRM consulting and SI and API Development.

    Read more
    View Profile
  • Data108 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Hollywood, FL

    Services provided

    20% API Development
    20% Custom Software Development
    10% CRM Consulting and SI +5
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% ERP Consulting and SI
    10% Mobile App Development
    10% Web Development

    Focus Areas

    50% REST API
    50% SOAP API

    Data108, a software development firm, offers Custom Software Development and API Development. The firm is located in Hollywood, Florida.

    Read more
    View Profile
  • ViewThis Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Atlanta, GA

    Services provided

    20% API Development
    20% Mobile App Development
    20% Web Development +4
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% IoT Development

    Focus Areas

    100% REST API

    ViewThis Technologies is a website development firm founded in 2013. The team offers Web Development and Mobile App Development and is in Atlanta, Georgia.

    Read more
    View Profile
  • Neosys Consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Kennesaw, GA

    Services provided

    20% API Development
    20% Blockchain
    20% Cloud Consulting & SI +2
    20% Custom Software Development
    20% DevOps Managed Services

    Focus Areas

    100% REST API

    Neosys Consulting is a cloud consulting & SI company. The Kennesaw, Georgia-based team offers cloud consulting & SI and Custom Software Development.

    Read more
    View Profile
  • Integranium Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Portland, OR

    Services provided

    20% API Development
    20% Cloud Consulting & SI
    20% IoT Development +4
    10% AR/VR Development
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    100% REST API

    Launched in 2005, Integranium is a small cloud consulting & SI company. Their team offers cloud consulting & SI and Mobile App Development.

    Read more
    View Profile
  • RAIN Software Technologies, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Tualatin, OR

    Services provided

    20% API Development
    70% Custom Software Development
    10% DevOps Managed Services

    Focus Areas

    100% REST API

    RAIN Software Technologies, LLC, a custom software development firm, was launched in 2017. Headquartered in Tualatin, Oregon, the team specializes in Custom Software Development and API Development.

    Read more
    View Profile
  • Testing Blaze Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    New York, NY

    Services provided

    20% API Development
    70% DevOps Managed Services
    10% Application Testing

    Focus Areas

    100% REST API

    Testing Blaze is a DevOps Managed Services company. They are located in New York, New York and have small team. Their services include DevOps Managed Services and API Development.

    Read more
    View Profile
  • Version11 Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Osseo, MN

    Services provided

    20% API Development
    20% BI & Big Data Consulting & SI
    20% Custom Software Development +2
    20% ERP Consulting and SI
    20% Web Development

    Focus Areas

    100% REST API

    Version11 Inc. Is a data analytics company. They are headquartered in Osseo, Minnesota, and their services include BI & big data consulting & SI and ERP consulting and SI.

    Read more
    View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches
tracking image

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
  • Comprehensive project details
  • Market presence
  • Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver
Focus
Clutch Leaders Matrix

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

1 26 Lines Of Code
2 Red Hawk Technologies
3 Sketch Development
4 ObjectStyle
5 CoSpark
6 Mystic Media
7 JetBase.IO
8 LOGICON, LLC
9 SmallCo. Inc
10 Zette
11 ISBX Corp
12 Tevpro
13 Alt Digital Technologies
14 Invowork
15 Achieve Internet

List of the Top 15 United States REST API Development Services

  1. 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
    30% REST API
    70% Other
    View Profile Visit Website
  2. 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
    70% REST API
    90% Other
    View Profile Visit Website
  3. 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
    25% REST API
    90% Other
    View Profile Visit Website
  4. 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
    80% REST API
    90% Other
    View Profile Visit Website
  5. 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
    25% REST API
    90% Other
    View Profile Visit Website
  6. 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
    20% REST API
    90% Other
    View Profile Visit Website
  7. 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
    50% REST API
    90% Other
    View Profile Visit Website
  8. 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
    80% REST API
    85% Other
    View Profile Visit Website
  9. 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
    35% REST API
    75% Other
    View Profile Visit Website
  10. 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
    50% REST API
    75% Other
    View Profile Visit Website
  11. 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
    25% REST API
    90% Other
    View Profile Visit Website
  12. 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
    25% REST API
    85% Other
    View Profile Visit Website
  13. 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
    25% REST API
    90% Other
    View Profile Visit Website
  14. 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
    80% REST API
    90% Other
    View Profile Visit Website
  15. 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
    50% REST API
    80% Other
    View Profile Visit Website
  16. Genetech Solutions Logotype

    Genetech Solutions

    $10,000+
    $25 - $49 / hr
    50 - 249
    Ann Arbor, MI

    Ability to deliver

    27.8/40.0
    16.8/20 Reviews
    5.7/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    10% API Development
    50% REST API
    90% Other
    View Profile Visit Website
  17. 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
    15% REST API
    90% Other
    View Profile Visit Website
  18. 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
    15% REST API
    90% Other
    View Profile Visit Website
  19. 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
    35% REST API
    90% Other
    View Profile Visit Website
  20. Tech Foundry, LLC Logotype

    Tech Foundry, LLC

    $10,000+
    $150 - $199 / hr
    2 - 9
    Alexandria, VA

    Ability to deliver

    28/40.0
    16.2/20 Reviews
    7.2/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    15% API Development
    70% REST API
    85% Other
    View Profile Visit Website
  21. Ksense Technology Group LLC Logotype

    Ksense Technology Group LLC

    $5,000+
    $150 - $199 / hr
    10 - 49
    Salt Lake City, UT

    Ability to deliver

    27.5/40.0
    16.4/20 Reviews
    6.2/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% API Development
    60% REST API
    90% Other
    View Profile Visit Website
  22. 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
    20% REST API
    85% Other
    View Profile Visit Website
  23. 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
    30% REST API
    90% Other
    View Profile Visit Website
  24. Algo Clan Inc. Logotype

    Algo Clan Inc.

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

    Ability to deliver

    27.3/40.0
    16.4/20 Reviews
    5/10 Clients & Experience
    5.9/10 Market Presence

    Service focus

    10% API Development
    50% REST API
    90% Other
    View Profile Visit Website
  25. GeekOffice Logotype

    GeekOffice

    $10,000+
    $150 - $199 / hr
    2 - 9
    Pasadena, CA

    Ability to deliver

    26/40.0
    16.6/20 Reviews
    4.2/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% API Development
    80% REST API
    80% Other
    View Profile Visit Website
  26. Latitude 40 Consulting, Inc. Logotype

    Latitude 40 Consulting, Inc.

    $50,000+
    $150 - $199 / hr
    10 - 49
    Broomfield, CO

    Ability to deliver

    23.9/40.0
    16.6/20 Reviews
    2.2/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% API Development
    100% REST API
    80% Other
    View Profile Visit Website
  27. Clear Function Logotype

    Clear Function

    $25,000+
    $150 - $199 / hr
    10 - 49
    Germantown, TN

    Ability to deliver

    24.8/40.0
    17.6/20 Reviews
    0/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    10% API Development
    80% REST API
    90% Other
    View Profile Visit Website
  28. Forbina Consulting, LLC Logotype

    Forbina Consulting, LLC

    $10,000+
    $100 - $149 / hr
    2 - 9
    Denver, CO

    Ability to deliver

    24.8/40.0
    16.2/20 Reviews
    4/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    10% API Development
    50% REST API
    90% Other
    View Profile Visit Website
  29. Mantra AI Logotype

    Mantra AI

    $50,000+
    $25 - $49 / hr
    250 - 999
    Durham, NC

    Ability to deliver

    21.7/40.0
    16.8/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% API Development
    45% REST API
    90% Other
    View Profile Visit Website
  30. I Verve Inc Logotype

    I Verve Inc

    $5,000+
    $50 - $99 / hr
    50 - 249
    Edison, NJ

    Ability to deliver

    23.2/40.0
    13.6/20 Reviews
    4/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    10% API Development
    40% REST API
    90% Other
    View Profile Visit Website

United States REST API Development FAQs

Local REST API teams provide real-time collaboration across U.S. time zones, familiarity with American compliance standards (HIPAA, SOC 2, CCPA), and easier on-site workshops. In addition, these dedicated development agencies also tend to have direct experience with widely used U.S. cloud platforms—AWS, Azure, Google Cloud—streamlining deployment and maintenance.

American developers build APIs for virtually every sector, but common verticals include:

• Fintech and banking (Plaid, Stripe integrations)
• Healthcare and healthtech (FHIR, HL7 compliance)
• E-commerce and retail logistics
• Media and entertainment streaming services
• IoT and smart-device ecosystems

  1. Define your project’s specific requirements and goals—i.e., public vs. private API, expected traffic, compliance needs.
  2. Review case studies with similar scale and tech stack.
  3. Ask about automated testing, versioning strategy, and documentation standards.
  4. Check Clutch reviews for communication, timeliness, and post-launch support.
  5. Short-list 3–5 firms and request detailed technical proposals before committing.

Navigating the market can be tough, especially considering the number of options out there. Explore Clutch’s directories to find trusted firms and review their profiles to find their case studies and client ratings.

  • No clear approach to security (OWASP top 10, JWT, OAuth 2.0).
  • Reluctance to provide sample documentation or testing coverage.
  • Overly rigid estimates without discovery sessions.
  • Limited experience with your chosen cloud environment.
  • Poor client references or lack of long-term maintenance offerings.

Even if some of these red flags feel inconsequential at first, ignoring them can only open the door for future mishaps and headaches. Be vigilant and avoid these warning signs early.

According to the latest pricing data collected by Clutch, most U.S. API specialists charge $100 – $200 per hour for their expertise. Typical project ranges:

  • Small integrations or refactors: $10,000 – $25,000
  • Mid-sized greenfield APIs: $40,000 – $80,000
  • Enterprise, high-availability microservices: $100,000+

Prices vary by region (coastal cities trend higher) and by the complexity of security, data governance, and documentation requirements.

Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.