Top API Developers
APIs are the connective tissue of modern software — they let your applications talk to payment processors, third-party data sources, mobile clients, and internal microservices. When that integration breaks or scales poorly, the downstream impact is immediate.
API developers on Clutch are vetted through verified client reviews and detailed project histories, giving you a reliable basis for comparison before you hire. These firms handle the full range of API work: RESTful API design and development, GraphQL implementations, API security and authentication, third-party integrations, and legacy system connectivity. Browse software testing companies to vet your API layer after build, or explore the full API developers directory for detailed firm profiles and pricing.
15 Leaders 15 Contenders
6,387 Companies
List of the Top API Development Services
Sponsored
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$5,000+UndisclosedFreelancer
Services provided
20% API Development20% AI Development20% Custom Software Development +2 services20% Generative AI20% Web DevelopmentMothLabs is a custom software development firm. They are headquartered in Antipolo, Philippines and have small team of experts. Their services include Custom Software Development and Web
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$1,000+$50 - $99 / hr2 - 9
Services provided
15% API Development15% Custom Software Development15% Mobile App Development +5 services15% UX/UI Design15% Web Design15% Web Development5% Application Testing5% LogoWeb design agency dailyshh is in Nashik, India. Launched in 2025, the team specializes in Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
Services provided
15% API Development20% Custom Software Development20% Web Development +3 services15% DevOps Managed Services15% E-Commerce Development15% Other Application DevelopmentBased in Brno-Žabovřesky, Czech Republic, InfraOps is a custom software development firm. Launched in 2025, the team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr250 - 999Rockville, MD
Services provided
10% API Development20% ERP Consulting and SI10% Custom Software Development +6 services10% Customer Service Outsourcing10% Cybersecurity10% E-Commerce Development10% Enterprise App Modernization10% IT Managed Services10% Robotics Process AutomationUnicres Solutions is a midsize ERP consulting and SI company. They offer ERP consulting and SI and API Development and were founded in 2008.
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$50,000+$100 - $149 / hr250 - 999
Services provided
10% API Development25% AI Development20% E-Commerce Development +4 services15% Mobile App Development15% Web Development10% Generative AI5% BrandingRegion is an AI company. The midsize Islamabad, Pakistan-based team focuses on Artificial Intelligence and E-Commerce Development. The company was founded in 2019.
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$1,000+$50 - $99 / hr2 - 9
Services provided
14% API Development21% Custom Software Development21% Web Development +5 services14% IT Managed Services10% Cybersecurity7% Application Management & Support7% Low/No Code Development6% IT Strategy ConsultingLaunched in 2026, Exostruction GmbH is a custom software development company. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249
Services provided
10% API Development20% Mobile App Development15% E-Commerce Development +6 services10% AI Development10% Custom Software Development10% Low/No Code Development10% Web Design10% Web Development5% BlockchainSee all 1 projectsDelivering top-notch web development solutions tailored to your business needs in India.
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$10,000+$25 - $49 / hr50 - 249Karachi, Pakistan
Services provided
10% API Development25% Mobile App Development15% AI Development +5 services15% Web Development10% Custom Software Development10% Low/No Code Development10% Microservices Architecture Services5% DevOps Managed ServicesConceptRecall is a website development company. The Karachi, Pakistan-based team provides Web Development and Mobile App Development.
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$25,000+$50 - $99 / hr50 - 249ABS, Argentina
Services provided
10% API Development40% Custom Software Development20% Microservices Architecture Services +5 services10% Mobile App Development5% Enterprise App Modernization5% Graphic Design5% Other Application Development5% UX/UI DesignPigmalion Software is a software development company based in ABS, Argentina and Miami, Florida. They provide Custom Software Development and Microservices Architecture Services.
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$5,000+$25 - $49 / hr50 - 249New Town, India
Services provided
10% API Development10% Back Office Outsourcing10% Cloud Consulting & SI +7 services10% DevOps Managed Services10% E-Commerce Development10% IT Managed Services10% IT Strategy Consulting10% Microservices Architecture Services10% Mobile App Development10% Web DevelopmentIn Katy, Texas and Donaghadee, Northern Ireland, Ascendeon Group Inc. Is an IT strategy consulting company. The team provides IT strategy consulting and cloud consulting & SI.
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$1,000+$50 - $99 / hr50 - 249
Services provided
10% API Development15% Custom Software Development15% E-Commerce Development +7 services15% Mobile App Development15% Web Development10% Web Design5% Digital Strategy5% Graphic Design5% Social Media Marketing5% UX/UI DesignTalking Crooks It Pvt Ltd, a custom software development company, offers Custom Software Development and Web Development. The agency is in Bengaluru, India.
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$1,000+$25 - $49 / hr50 - 249Hallandale Beach, FL
Services provided
10% API Development15% E-Commerce Development15% Mobile App Development +6 services10% AR/VR Development10% Blockchain10% Custom Software Development10% DevOps Managed Services10% Low/No Code Development10% Web DevelopmentArgon Tech is a custom software development company. Located in Hallandale Beach, Florida and Lahore, Pakistan, the agency provides Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249Chennai, India
Services provided
10% API Development10% AI Consulting10% AI Development +7 services10% Cloud Consulting & SI10% Custom Software Development10% Cybersecurity10% DevOps Managed Services10% Enterprise App Modernization10% Robotics Process Automation10% UX/UI DesignBrimma Tech, Inc. Is an UX design agency. They offer UX/UI Design and cloud consulting & SI and were established in 2016.
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$25,000+$50 - $99 / hr50 - 249Rzeszów, Poland
Services provided
10% API Development20% DevOps Managed Services20% Web Development +5 services15% IT Strategy Consulting10% AI Development10% Custom Software Development10% Low/No Code Development5% Mobile App DevelopmentKruko is a Rzeszów, Poland-based custom software development firm. They provide Custom Software Development and Web Development and were established in 2020.
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$5,000+< $25 / hr50 - 249Mumbai, India
Services provided
10% API Development30% Custom Software Development20% Mobile App Development +4 services10% E-Commerce Development10% Robotics Process Automation10% UX/UI Design10% Web DesignUNLOCK TECHNOLOGIES PRIVATE LIMITED is a Mumbai, India-based software development company. Their services include Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249पुणे, India
Services provided
10% API Development15% Custom Software Development10% Application Management & Support +7 services10% Application Testing10% DevOps Managed Services10% E-Commerce Development10% IT Managed Services10% IoT Development10% Web Development5% Generative AIInnovaPoint Infotech is a पुणे, India-based custom software development firm. Founded in 2005, the team focuses on Custom Software Development and IT managed services.
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$1,000+< $25 / hr50 - 249Thane, India
Services provided
10% API Development45% IT Staff Augmentation15% Mobile App Development +4 services10% IT Managed Services10% Web Development5% Cloud Consulting & SI5% DevOps Managed ServicesZipgigz is a Staffing and Recruiting company. They are headquartered in Thane, India, and their services include Staffing and Recruiting.
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UndisclosedUndisclosed50 - 249Dhaka, Bangladesh
Services provided
10% API Development20% Custom Software Development20% Mobile App Development +4 services15% Web Design15% Web Development10% ERP Consulting and SI10% IT Strategy ConsultingEstablished in 2007, ADDIE Soft Ltd. Is a software development firm. The firm provides Custom Software Development and Mobile App Development, and is midsize.
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$10,000+$50 - $99 / hrFreelancerSheridan, WY
Services provided
20% API Development30% Custom Software Development30% Web Development +1 service20% Application Management & SupportEstablished in 2024, Eternia Solutions is a software development firm. The firm offers Custom Software Development and Web Development, and is small.
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$1,000+< $25 / hr50 - 249Kochi, India
Services provided
10% API Development20% Custom Software Development10% Application Testing +6 services10% DevOps Managed Services10% E-Commerce Development10% Enterprise App Modernization10% Microservices Architecture Services10% Mobile App Development10% Web DevelopmentSoftware development company Cydez Technologies Pvt Ltd was founded in 2020. Located in Kochi, India, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancer
Services provided
20% API Development50% Sports Marketing15% Affiliate Marketing +1 service15% CRM Consulting and SIMicrobee is a small Sports Marketing company founded in 2000. Their services include Sports Marketing and API Development.
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$10,000+$50 - $99 / hr50 - 249Winnersh, England
Services provided
10% API Development10% AI Agents10% AI Consulting +8 services10% AI Development10% Cloud Consulting & SI10% Custom Software Development10% Generative AI10% IT Strategy Consulting10% Microservices Architecture Services5% CRM Consulting and SI5% Other IT Consulting and SILaunched in 2018, NJC Labs is an AI Agents company. The company focuses on AI Agents and Artificial Intelligence, and is midsize.
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$1,000+$25 - $49 / hr50 - 249Kathmandu, Nepal
Services provided
10% API Development45% Custom Software Development20% Cloud Consulting & SI +3 services10% Mobile App Development10% Web Development5% IT Managed ServicesMavorion Systems is a software development company launched in 2015. The midsize team provides Custom Software Development and cloud consulting & SI.
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$10,000+$25 - $49 / hr50 - 249Thiruvananthapuram, India
Services provided
10% API Development30% Custom Software Development20% Mobile App Development +5 services10% BI & Big Data Consulting & SI10% E-Commerce Development10% IoT Development5% Cloud Consulting & SI5% DevOps Managed ServicesBased in Thiruvananthapuram, India, DCUBE Ai is a custom software development firm. They offer Custom Software Development and Mobile App Development.
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$50,000+$25 - $49 / hr50 - 249
Services provided
10% API Development20% Enterprise App Modernization20% IT Strategy Consulting +7 services10% Custom Software Development10% Low/No Code Development10% Microservices Architecture Services5% AI Development5% Cloud Consulting & SI5% IT Staff Augmentation5% Other IT Consulting and SICaizin LLC is an IT strategy consulting company. They are in Redmond, Washington, and their services include IT strategy consulting and Enterprise App Modernization.
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Undisclosed$200 - $300 / hr50 - 249
Services provided
10% API Development10% AI Consulting10% AI Development +7 services10% Custom Software Development10% Cybersecurity10% DevOps Managed Services10% ECM Consulting and SI10% Generative AI10% IT Managed Services10% Other Application DevelopmentLaunched in 2010, Focus Group Solutions is an AI Consulting company. The firm provides AI Consulting and API Development, and is midsize.
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$10,000+$25 - $49 / hr50 - 249
Services provided
10% API Development10% AI Agents10% AI Development +7 services10% Application Management & Support10% Application Testing10% Custom Software Development10% DevOps Managed Services10% Generative AI10% Other Application Development10% Web DevelopmentBetaCodespk is an AI Agents company established in 2020. The firm provides AI Agents and API Development, and is midsize.
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$1,000+$50 - $99 / hrFreelancerAhmedabad, India
Services provided
20% API Development25% E-Commerce Development15% Low/No Code Development +4 services10% AI Development10% Generative AI10% IT Strategy Consulting10% Web DevelopmentAakarDev Softwares is an e-commerce development firm. They specialize in E-Commerce Development and API Development and were founded in 2026. The agency is located in Ahmedabad, India.
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UndisclosedUndisclosedFreelancer
Services provided
20% API Development60% ERP Consulting and SI20% AI DevelopmentFounded in 2024, ERP Bridge is an ERP consulting and SI company. Their team offers ERP consulting and SI and API Development.
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UndisclosedUndisclosed50 - 249
Services provided
10% API Development20% IoT Development15% AI Development +6 services10% AI Agents10% BI & Big Data Consulting & SI10% Cybersecurity10% Generative AI10% IT Strategy Consulting5% E-Commerce DevelopmentEstablished in 2011, Amazatic Solutions is an IoT development company. Their team offers IoT development and Artificial Intelligence.
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$1,000+< $25 / hr50 - 249
Services provided
10% API Development20% Custom Software Development20% Enterprise App Modernization +3 services20% Mobile App Development20% Web Development10% Web DesignLaunched in 2020, MaaTech Analytics is a software development company. The company provides Custom Software Development and Enterprise App Modernization, and is midsize.
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$1,000+$25 - $49 / hr2 - 9
Services provided
21% API Development35% Web Development10% Microservices Architecture Services +6 services10% UX/UI Design10% Web Design5% Cybersecurity5% Mobile App Development2% Custom Software Development2% Other Application DevelopmentCOOLIT d.o.o. Is a website development firm. Launched in 2024, the firm specializes in Web Development and API Development.
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$25,000+$25 - $49 / hr50 - 249Jacksonville, FL
Services provided
15% API Development25% Custom Software Development20% Web Development +3 services15% Application Testing15% Microservices Architecture Services10% Enterprise App ModernizationSee all 1 projectsTailored software solutions and IT staffing. Software factory IT Support IT Staffing Cybersecurity Data & AI solutions Odoo implementations Part of a group of companies with 40+ years of
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Undisclosed$25 - $49 / hr50 - 249
Services provided
15% API Development30% IT Staff Augmentation15% Custom Software Development +4 services15% Low/No Code Development10% BI & Big Data Consulting & SI10% Web Design5% AI DevelopmentIT staff augmentation company BEE BUSINESS & CONSULTING was launched in 2021. The team focuses on IT staff augmentation and Custom Software Development.
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UndisclosedUndisclosedFreelancerSandton, South Africa
Services provided
30% API Development40% Cloud Consulting & SI10% DevOps Managed Services +2 services10% IoT Development10% Web DevelopmentHeadquartered in Sandton, South Africa, NT & O Analytics is a cloud consulting & SI company. The team provides cloud consulting & SI and API Development.
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$25,000+$150 - $199 / hr50 - 249St Kilda, Australia
Services provided
15% API Development35% Custom Software Development25% ERP Consulting and SI +2 services15% Web Development10% AI DevelopmentISystemz is a software development firm. The St Kilda, Australia-based team specializes in Custom Software Development and ERP consulting and SI.
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$50,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
Services provided
15% API Development40% AI Development20% Web Development +2 services15% DevOps Managed Services10% IT Managed ServicesFORBMAX PVT. LTD is an AI firm. Located in Dubai, United Arab Emirates, the company was launched in 2020. Their services include Artificial Intelligence and Web Development.
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$5,000+$25 - $49 / hr50 - 249Chișinău, Moldova
Services provided
15% API Development30% Custom Software Development25% E-Commerce Development +2 services25% ERP Consulting and SI5% IoT DevelopmentSpacecore is a custom software development company. The midsize Chișinău, Moldova-based team specializes in Custom Software Development and ERP consulting and SI. The agency was founded in 2017.
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$25,000+$25 - $49 / hr50 - 249Pimpri-Chinchwad, India
Services provided
15% API Development30% AI Development20% Application Testing +3 services15% Cloud Consulting & SI10% CRM Consulting and SI10% Other Digital MarketingEstablished in 2020, PureSoft Solutions is an AI firm. Headquartered in Pimpri-Chinchwad, India, the team provides Artificial Intelligence and Application Testing.
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$1,000+$25 - $49 / hr50 - 249Greater Noida, India
Services provided
15% API Development25% Mobile App Development25% Web Development +5 services10% Custom Software Development10% Web Design5% AI Development5% DevOps Managed Services5% UX/UI DesignShulyn Technologies, a web development company, is headquartered in Greater Noida, India. They specialize in Web Development and Mobile App Development and were launched in 2018.
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$5,000+$25 - $49 / hr50 - 249
Services provided
15% API Development20% Custom Software Development15% E-Commerce Development +4 services15% Mobile App Development15% Web Development10% UX/UI Design10% Web DesignSoftware development company Jigrotech Solutions Pvt Ltd is based in Jaipur, India. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hrFreelancerGreeneville, TN
Services provided
30% API Development30% Web Design25% Web Development +2 services10% Logo5% Custom Software DevelopmentDS Digital Designs, an API Development company, was launched in 2026. Headquartered in Greeneville, Tennessee, the team offers API Development and Web Design.
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$5,000+$25 - $49 / hrFreelancer
Services provided
30% API Development30% Web Development15% Custom Software Development +3 services10% E-Commerce Development10% Microservices Architecture Services5% Other Application DevelopmentWeb development company Ng Hub Innovative Solution is in Bhopal, India. The team provides Web Development and API Development.
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$1,000+$50 - $99 / hrFreelancerToronto, Canada
Services provided
30% API Development30% Custom Software Development15% Enterprise App Modernization +3 services10% Microservices Architecture Services10% Web Development5% Application Management & SupportVuroom Technologies, a software development firm, was launched in 2026. They provides Custom Software Development and API Development.
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UndisclosedUndisclosed50 - 249New York, NY
Services provided
15% API Development15% Mobile App Development15% Web Development +6 services10% Advertising10% Branding10% Custom Software Development10% Direct Marketing10% Mobile & App Marketing5% AI ConsultingMidsize API Development company Limlat Inc, is headquartered in New York, New York. Their services include API Development and Mobile App Development.
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$1,000+$50 - $99 / hr50 - 249
Services provided
15% API Development30% Web Development20% Mobile App Development +3 services20% Search Engine Optimization10% AI Development5% AI AgentsFounded in 2025, DS Solution, a midsize web development firm, is in Mohali, India. Their team offers Web Development and Mobile App Development.
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$1,000+$25 - $49 / hrFreelancer
Services provided
30% API Development35% Mobile App Development35% Web DevelopmentDevBorjas, an app development company, was founded in 2026. The small team provides Mobile App Development and Web Development.
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$10,000+$50 - $99 / hrFreelancer
Services provided
30% API Development25% Custom Software Development25% Web Development +2 services10% UX/UI Design10% Web DesignTailored Software is an API Development company. Established in 2026, the firm is in Liverpool , England. Their team specializes in API Development and Custom Software Development.
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$75,000+$25 - $49 / hr50 - 249General Trias, Philippines
Services provided
15% API Development15% CRM Consulting and SI15% Custom Software Development +6 services15% IT Staff Augmentation15% Web Development10% AI Development5% Cloud Consulting & SI5% Mobile App Development5% Web DesignFounded in 2026, Ugnexa Catalyst Technology Group is an API Development company. The company focuses on API Development and Custom Software Development, and is midsize.
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$10,000+$50 - $99 / hr50 - 249
Services provided
15% API Development15% DevOps Managed Services15% Enterprise App Modernization +5 services15% Microservices Architecture Services10% AI Agents10% BI & Big Data Consulting & SI10% Custom Software Development10% IT Strategy ConsultingGlobal Performance Business Services is an API Development company founded in 2017. Located in CASABLANCA - Maarif, Morocco, the team provides API Development and Enterprise App Modernization.
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List of the Top 15 API Development Services
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
32.3/40.017.4/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
70% API Development30% Other -
$1,000+$25 - $49 / hr50 - 249Austin, TX
Ability to deliver
35.5/40.020/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr10 - 49St. Louis, MO
Ability to deliver
34.1/40.020/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31/40.017/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% API Development70% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.5/40.018.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
10% API Development90% Other -
$5,000+< $25 / hr50 - 249Stamford, England
Ability to deliver
33.5/40.019.6/20 Reviews10/10 Clients & Experience3.9/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Zymna Voda, Ukraine
Ability to deliver
33.3/40.018.4/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr50 - 249Wilder, KY
Ability to deliver
33.3/40.017.2/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Castrop-Rauxel, Germany
Ability to deliver
33.2/40.018.6/20 Reviews10/10 Clients & Experience4.6/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$25 - $49 / hr50 - 249Luzern, Switzerland
Ability to deliver
32.9/40.018.2/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
32.9/40.019.2/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr10 - 49Sydney, Australia
Ability to deliver
32.5/40.018.8/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
32.4/40.018/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
31.8/40.017.2/20 Reviews10/10 Clients & Experience4.6/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
Ability to deliver
31.4/40.018.4/20 Reviews8.9/10 Clients & Experience4.1/10 Market PresenceService focus
15% API Development85% Other -
$100,000+$25 - $49 / hr50 - 249
Ability to deliver
31.7/40.017.6/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249San Antonio, TX
Ability to deliver
31.7/40.017.8/20 Reviews10/10 Clients & Experience3.9/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$150 - $199 / hr10 - 49Nashville, TN
Ability to deliver
31.8/40.017.4/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
28.8/40.016.2/20 Reviews8.5/10 Clients & Experience4.1/10 Market PresenceService focus
30% API Development70% Other -
$25,000+Undisclosed50 - 249Blue Ash, OH
Ability to deliver
29.5/40.016.8/20 Reviews7.5/10 Clients & Experience5.2/10 Market PresenceService focus
25% API Development75% Other -
$10,000+Undisclosed10 - 49
Ability to deliver
31.1/40.018/20 Reviews9.2/10 Clients & Experience3.9/10 Market PresenceService focus
15% API Development85% Other -
$25,000+$25 - $49 / hr50 - 249
Ability to deliver
31.4/40.017.2/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$50 - $99 / hr2 - 9Koog aan de Zaan, Netherlands
Ability to deliver
29.4/40.016.8/20 Reviews8.9/10 Clients & Experience3.7/10 Market PresenceService focus
35% API Development65% Other -
$5,000+$25 - $49 / hr50 - 249Islamabad, Pakistan
Ability to deliver
31.3/40.018.4/20 Reviews9.2/10 Clients & Experience3.7/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$50 - $99 / hr50 - 249České Budějovice, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.4/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$100 - $149 / hr50 - 249Austin, TX
Ability to deliver
30.6/40.019.2/20 Reviews7.5/10 Clients & Experience3.9/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$50 - $99 / hr10 - 49Kraków, Poland
Ability to deliver
29.8/40.016.4/20 Reviews9.5/10 Clients & Experience3.9/10 Market PresenceService focus
25% API Development75% Other -
$10,000+$50 - $99 / hr10 - 49
Ability to deliver
30.9/40.017/20 Reviews9.7/10 Clients & Experience4.2/10 Market PresenceService focus
15% API Development85% Other -
$50,000+$150 - $199 / hr10 - 49Toronto, Canada
Ability to deliver
29.8/40.015.8/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
25% API Development75% Other
API Development FAQs
Clutch features companies that design, build, and document scalable APIs that power integrations and modern applications quarterly based on a proprietary methodology. The top API development companies for 2026 include:
API developers design, build, and maintain the interfaces that allow software systems to communicate. Most of these dedicated firms offer a multitude of specialized and tailored services, such as:
- Defining data structures and endpoints
- Writing server-side logic
- Implementing authentication protocols like OAuth 2.0 or API keys
- Handling rate limiting and error responses
- Documenting the API for internal or external consumers
Many API developers also handle integration work — connecting your product to third-party services like Stripe, Salesforce, or Twilio.
Recent Clutch pricing data shows that simple third-party integrations generally fall in the $5,000 – $25,000 range, while custom-built API platforms for enterprise applications can exceed $100,000.
Hourly rates for API development firms typically range from $25 – $149 per hour, depending on a range of factors, including the firm's location, seniority, and specialization. Compare pricing against other providers and thoroughly review the cost breakdown to ensure transparency before signing any contracts.
A development firm brings structured processes, dedicated QA, and built-in redundancy. Firms also tend to have formal security practices, code review workflows, and experience managing integrations at scale.
For complex builds involving multiple third-party systems, authentication layers, or ongoing versioning, a company typically offers more stability, accountability, and long-term support capacity than a freelancer.
Match the AP development firm's experience to your technical requirements. A team with a deep REST and Node.js background will serve a different need than one specializing in GraphQL or enterprise middleware.
After that, make sure to review their Clutch profiles for relevant project examples and ask candidates how they handle API versioning, backward compatibility, and security vulnerabilities. Shortlist the top two or three promising partners that meet your initial assessment, then schedule an interview with their team to discuss your project and personally gauge their fit.
Watch for firms that jump straight to implementation without a discovery or design phase — poorly planned APIs are expensive to refactor. Other red flags that you should be aware of include no mention of documentation deliverables, vague answers about authentication and data security, and unwillingness to share code samples or past integration case studies.
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