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.
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$5,000+UndisclosedFreelancerRiverside, CA
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Solac Labs, a website development company, was established in 2025. They provides Web Development and Mobile App Development.
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Undisclosed$50 - $99 / hrFreelancerAmsterdam, Netherlands
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Codenet is a small custom software development company located in Amsterdam, Netherlands. The team focuses on Custom Software Development and Web Development.
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Undisclosed< $25 / hrFreelancerMykolaiv, Ukraine
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Website development company Fedkiv Solutions is based in Mykolaiv, Ukraine. Established in 2026, the team specializes in Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hrFreelancerBratislava, Slovakia
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Founded in 2021, Knaus - Development s. R. O. Is a custom software development company. The firm specializes in Custom Software Development and API Development, and is small.
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$10,000+$50 - $99 / hrFreelancer
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YV Studio is a small software development company in São Paulo, Brazil. The team specializes in Custom Software Development and Web Development.
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Undisclosed< $25 / hrFreelancerPueblo Libre, Peru
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Founded in 2026, Quandtec is a custom software development firm. The agency offers Custom Software Development and Web Development, and is small.
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$1,000+< $25 / hr2 - 9Puducherry, India
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Iceberg Technologies is an API Development company founded in 2020. The team provides API Development and Social Media Marketing.
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$1,000+$25 - $49 / hr2 - 9
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Launched in 2026, Bug Bakery is a small software development firm. Their team offers Custom Software Development and Mobile App Development.
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$1,000+$150 - $199 / hr2 - 9Melbourne, Australia
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Located in Melbourne, Australia, Agent Crew is an AI company. Launched in 2023, the team specializes in Artificial Intelligence and IT strategy consulting.
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$5,000+< $25 / hrFreelancerSurat, India
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Qwery Technolabs is an e-commerce development company founded in 2018. The agency focuses on E-Commerce Development and API Development.
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$1,000+$50 - $99 / hrFreelancerLondon, England
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M2Poweri Ltd, a website development company, is headquartered in London, England. The team offers Web Development and Search Engine Optimization.
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UndisclosedUndisclosedFreelancerTel Aviv, Israel
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Condless is a small web development company headquartered in Tel Aviv, Israel. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hrFreelancer
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Established in 2017, RactStudio is a small web development company. Their services include Web Development and Web Design.
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$5,000+$50 - $99 / hrFreelancerSannicandro di Bari, Italy
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Established in 2018, Swave Software is a small Sannicandro di Bari, Italy-based software development company. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hrFreelancerWrocław, Poland
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CodeLabAI, a small software development company, is headquartered in Wrocław, Poland. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancer
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Zia – Your AI & Tech Partner is a website development firm. Founded in 2022, their team offers Web Development and Mobile App Development.
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Undisclosed< $25 / hrFreelancer
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Custom software development company KHALEEJ Infotech was established in 2017. In Jodhpur, India, the team offers Custom Software Development and Web Development.
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Undisclosed< $25 / hrFreelancer
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VIXENSOFTSERVICES PRIVATE LIMITED, a web development firm, is based in Jaipur, India. Their services include Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Boca Raton, FL
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Zoneomics is an API Development company. The small Boca Raton, Florida-based team provides API Development. The company was established in 2018.
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UndisclosedUndisclosed10 - 49Denver, CO
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Cloverhound is an API Development company. The team provides API Development and IT managed services, and the company is headquartered in Denver, Colorado and Charlotte, North Carolina.
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UndisclosedUndisclosed10 - 49Denver, CO
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Answering service company and API Development company ITC Telecom Technology, LLC is in Denver, Colorado. Their services include Call Center Services and API Development.
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UndisclosedUndisclosed10 - 49Fort Wayne, IN
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JH Specialty, Inc. Is an API Development company founded in 1998. The team focuses on API Development and is in Fort Wayne, Indiana.
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UndisclosedUndisclosed10 - 49Minneapolis, MN
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Apigician, a small API Development company, is based in Minneapolis, Minnesota. Their services include API Development.
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UndisclosedUndisclosed10 - 49Fargo, ND
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Project Phoenix is a small API Development company founded in 2017. Their services include API Development.
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UndisclosedUndisclosed10 - 49
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Graphic design company and API Development company Coverdale Group focuses on Graphic Design and API Development. They are located in Cincinnati, Ohio.
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UndisclosedUndisclosed10 - 49
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Kato Integrations is an API Development company. They are based in Hutchinson, Minnesota, and their services include API Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Mason, OH
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Cegna is an API Development company established in 2023. Their team provides API Development.
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UndisclosedUndisclosed10 - 49
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Small software development firm and API Development company Astral Innovations, Inc., is based in Weston, Wisconsin. The team provides Custom Software Development and API Development.
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UndisclosedUndisclosed10 - 49Franklin, TN
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Founded in 2002, Rustici Software is an API Development company. The team provides API Development and is based in Franklin, Tennessee.
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UndisclosedUndisclosed10 - 49Portland, OR
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Founded in 2004, Periscopic is a business intelligence company and API Development company. The team offers BI & big data consulting & SI and API Development.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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DataHen Canada Inc. Is a data analytics company and API Development company in Toronto, Canada. Their services include BI & big data consulting & SI and API Development.
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UndisclosedUndisclosed10 - 49
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MindCloud is a CRM consulting and SI and API Development company located in McMinnville, Oregon. Established in 2021, the team provides CRM consulting and SI and API Development.
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UndisclosedUndisclosed10 - 49
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DRPC is a Limassol, Cyprus-based Blockchain and API Development company. They offer Blockchain and API Development and were founded in 2005.
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$1,000+< $25 / hr10 - 49
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See all 1 projectsTechkun is a pioneering technology consulting firm that specializes in catalyzing the success of digital business transformation for medium—to large enterprises. Our goal has been to create
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$25,000+$50 - $99 / hr2 - 9Wien, Austria
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OG Technologies EU is an IT strategy consulting company. The Wien, Austria-based agency was founded in 2021. Their services include IT strategy consulting and cloud consulting & SI.
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$5,000+$100 - $149 / hr2 - 9Sheridan, WY
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Launched in 2026, EverRise Performance is an AI Agents company. The agency offers AI Agents and Artificial Intelligence, and is small.
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$1,000+$25 - $49 / hr2 - 9Pisco, Peru
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APEXCORP S.A.C is a custom software development firm. Based in Pisco, Peru, their small team specializes in Custom Software Development and Web Development. The agency was founded in 2025.
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$1,000+$50 - $99 / hr2 - 9Noida, India
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See all 2 projectsDodox is a creative web and mobile app design & development studio helping startups and growing brands bring bold ideas to life. Our solution suite includes: UI/UX Design Web & Mobile
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$1,000+$100 - $149 / hr2 - 9Lutz, FL
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See all 2 projectsYotomations is a Tampa-based AI and automation consultancy founded by Yaakov (Koby) Oranski. We help businesses of all sizes streamline operations, automate sales, and scale faster by combining
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Undisclosed$25 - $49 / hr2 - 9
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See all 1 projectsOur journey began with a shared vision of transforming businesses through the use of DYNAMICS 365 CRM technology. We have since helped countless clients achieve their goals
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Undisclosed< $25 / hr2 - 9Chennai, India
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See all 1 projectsWe are committed to delivering excellence through integrity, innovation, and customer-centric service. Our values are rooted in trust, transparency, and teamwork—empowering businesses with
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsAt PHagento, we help businesses build, optimize, and maintain high-performance eCommerce websites, custom web applications, and AI-powered solutions. With over 17 years of experience, we've
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$10,000+$150 - $199 / hr2 - 9
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See all 1 projectsMindrally is a digital product design and build studio. We are senior engineers, technical advisors, and designers who turn ambiguous ideas into working products.
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Undisclosed< $25 / hr2 - 9Rajkot, India
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See all 3 projectsWho we are Your Trusted Tech Partner & Leading IT Development Service Provider Anzo Technology, located in the heart of Saurashtra in Rajkot, Gujarat, India, was founded by Vivek Aghera and Jay
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsPR TYPO3 offers comprehensive services including TYPO3 development, exclusive design creation, DevOps, and multilingual SEO optimization. Their reviews highlight their professionalism, timely delivery, and high-quality output. Clients appreciate their adherence to deadlines, valuable consultations, and training, indicating a strong alignment of company values and cultural fit. PR TYPO3 is recommended for future projects and referrals.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsThe Web3 marketing agency specializes in digital marketing and offers comprehensive Web3 marketing training programs tailored for individuals and businesses alike. Partner with us to empower your
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$1,000+$25 - $49 / hr2 - 9Chișinău, Moldova
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Turing Test Passed is a Chișinău, Moldova-based artificial intelligence development company. They offer Artificial Intelligence and AI Agents.
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$1,000+$25 - $49 / hr2 - 9Delhi, India
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Blumox Technologies, a software development firm, was established in 2023. Based in Delhi, India, the team provides Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9
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Osprey Technologies and Apparels, an Advertising company, was established in 2016. The agency specializes in Advertising and Branding, and is small.
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$25,000+$100 - $149 / hr2 - 9London, England
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Thisdotsoftware is a software development company. Their team is located in London, England. The agency focuses on Custom Software Development and Application Testing.
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List of the Top 15 API Development Services
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$1,000+$25 - $49 / hr50 - 249Austin, TX
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr10 - 49Webster Groves, MO
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
34.8/40.016.8/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
70% API Development30% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.5/40.019.8/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.4/40.017.4/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% API Development70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
36.3/40.016.6/20 Reviews9.9/10 Clients & Experience9.8/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
37.5/40.018.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
37.3/40.018/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% API Development90% Other -
$5,000+< $25 / hr50 - 249Stamford, England
Ability to deliver
37/40.019/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249San Antonio, TX
Ability to deliver
36.7/40.017.8/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
10% API Development90% Other -
$1,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
36.5/40.017.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
10% API Development90% Other -
UndisclosedUndisclosed10 - 49Draper, UT
Ability to deliver
36.3/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Zymna Voda, Ukraine
Ability to deliver
36.1/40.018.4/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
10% API Development90% Other -
$50,000+$25 - $49 / hr50 - 249Mumbai, India
Ability to deliver
35.8/40.017.8/20 Reviews9.8/10 Clients & Experience8.2/10 Market PresenceService focus
10% API Development90% Other -
$50,000+$150 - $199 / hr10 - 49Toronto, Canada
Ability to deliver
34.1/40.016.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
25% API Development75% Other -
$10,000+$150 - $199 / hr10 - 49Irvine, CA
Ability to deliver
35.7/40.016.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr50 - 249Wilder, KY
Ability to deliver
35.4/40.017/20 Reviews10/10 Clients & Experience8.4/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$25 - $49 / hr10 - 49Barranquilla, Colombia
Ability to deliver
35.5/40.017.6/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$25 - $49 / hr50 - 249Luzern, Switzerland
Ability to deliver
35.2/40.018.4/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
10% API Development90% Other -
$1,000+$100 - $149 / hr2 - 9Vancouver, Canada
Ability to deliver
35.5/40.016.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% API Development90% Other -
$50,000+$50 - $99 / hr10 - 49
Ability to deliver
35.2/40.015.8/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Cape Town, South Africa
Ability to deliver
34.9/40.015.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% API Development90% Other -
$10,000+< $25 / hr50 - 249Ciudad de México, Mexico
Ability to deliver
34.7/40.016.4/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
10% API Development90% Other -
$1,000+$100 - $149 / hr10 - 49
Ability to deliver
31/40.017/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
45% API Development55% Other -
$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
Ability to deliver
33.9/40.018/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% API Development85% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
33.2/40.018/20 Reviews8/10 Clients & Experience7.2/10 Market PresenceService focus
20% API Development80% Other -
$25,000+$50 - $99 / hr10 - 49Sydney, Australia
Ability to deliver
34.1/40.018/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
15% API Development85% Other -
$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
Ability to deliver
34.6/40.016.8/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
10% API Development90% Other -
$1,000+Undisclosed50 - 249Sahibzada Ajit Singh Nagar, India
Ability to deliver
34.3/40.017.2/20 Reviews8.6/10 Clients & Experience8.5/10 Market PresenceService focus
10% API Development90% Other -
$1,000+$25 - $49 / hr10 - 49Surat, India
Ability to deliver
34/40.016.4/20 Reviews9.1/10 Clients & Experience8.4/10 Market PresenceService focus
15% API Development85% 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.