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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$1,000+$50 - $99 / hr2 - 9Friendswood, TX
Services provided
See all 2 projectsNOCODE.GDN offers services in platform development, including web development, UI/UX design, and subscription and payment system integration. Their reviews highlight efficient project management, timely delivery, and excellent communication. Clients appreciate their ability to meet expectations and deliver high-quality solutions, making them a commendable choice for API Development and related services.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsWaveinno Solutions specializes in developing VPN solutions, specifically focusing on projects like the OpenConnect VPN for Android apps. Their reviews highlight a strong commitment to innovation, technical expertise, and timely project delivery. Clients appreciate their ability to provide cutting-edge and reliable solutions, although there is room for improvement in communication and project transparency.
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$1,000+$25 - $49 / hr2 - 9
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SriCoder is a website development company. Their small team of employees is in Colombo, Sri Lanka. Their team provides Web Development and Mobile App Development.
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Undisclosed< $25 / hr2 - 9Kraków, Poland
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Onit Soft is a custom software development firm. The team specializes in Custom Software Development and Web Development, and the firm is in Kraków, Poland.
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$1,000+$50 - $99 / hr2 - 9
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Sys Solve is an IT staff augmentation company. Located in Casper, Wyoming, their team provides IT staff augmentation and Web Development.
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UndisclosedUndisclosed2 - 9
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OrganiCode, an API Development company, offers API Development and Custom Software Development. The agency is in Vereeniging, South Africa.
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$5,000+$50 - $99 / hr2 - 9
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UX design company Streamline was launched in 2023. The agency offers UX/UI Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9
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Small website development firm Mixsoft Ltd, is based in London, England and T'bilisi, Georgia. Their services include Web Development and Artificial Intelligence.
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Undisclosed$25 - $49 / hr2 - 9Samokov, Bulgaria
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SO Management is a social media marketing firm. They were established in 2022, and their services include Social Media Marketing and ERP consulting and SI.
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$10,000+$100 - $149 / hr2 - 9Coomera, Australia
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Custom software development company Mosaik was founded in 2023. The firm provides Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
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LegalTech, a software development firm, was established in 2023. The team specializes in Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9
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Website development company TOFI TECHNOLOGIES is headquartered in Addis Ababa, Ethiopia. Launched in 2021, the team focuses on Web Development and API Development.
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$5,000+$50 - $99 / hr2 - 9
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Avantry is an API Development company. Based in Saint Helier, Jersey and Madeira, Portugal, the firm was launched in 2019. Their team offers API Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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API Development company A2LTek inc is in London, Canada. They provide API Development and Custom Software Development and were founded in 2024.
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$5,000+$25 - $49 / hr2 - 9
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Launched in 2024, Based in Code Solutions is a software development firm. The team focuses on Custom Software Development and Web Development and is headquartered in Manta, Ecuador.
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Undisclosed< $25 / hr2 - 9
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In Faisalabad, Pakistan, Xavier Tech Ventures is a software development firm. They offer Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9
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Inereto is a CRM consulting and SI company. Launched in 2024, the agency is headquartered in București, Romania. Their team specializes in CRM consulting and SI and Application Management &
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$1,000+$50 - $99 / hr2 - 9
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TheDigital Tarzan, a Conversion Optimization company, focus on Conversion Optimization and Other Digital Marketing. They were established in 2023.
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$1,000+$150 - $199 / hr2 - 9Denville Township, NJ
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Small software development firm SlashHash LLC, is located in Denville Township, New Jersey. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Charlotte, NC
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Nova Via is a custom software development company. Founded in 2022, the company is located in Charlotte, North Carolina. Their services include Custom Software Development and Mobile App
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$1,000+< $25 / hr2 - 9T'bilisi, Georgia
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BagrovChibirev is a T'bilisi, Georgia-based software development firm. Established in 2023, the team focuses on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Warszawa, Poland
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Coinage, an API Development company, was launched in 2022. They offers API Development and Web Development.
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$1,000+< $25 / hr2 - 9Colombo, Sri Lanka
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Techserw Labs, a custom software development firm, is in Colombo, Sri Lanka. They offer Custom Software Development and Web Development and were launched in 2022.
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$5,000+< $25 / hr2 - 9Bengaluru, India
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Based in Bengaluru, India, Caffeine Codes is an user experience company. They offer UX/UI Design and Web Development and were founded in 2024.
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$1,000+$25 - $49 / hr2 - 9Ústí nad Labem-město, Czech Republic
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Octopod Systems is a custom software development firm. They were established in 2024 and provide Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9
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NeoQuant is a Yerevan, Armenia-based website development company. Their services include Web Development and Application Management & Support.
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$1,000+< $25 / hr2 - 9Patna, India
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Established in 2018, Desi Script is a small software development company based in Patna, India. Their team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
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Small Cybersecurity company Secure Code Reviews (SCRs), is headquartered in Hyderabad, India. The team specializes in Cybersecurity and Application Testing.
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$1,000+$200 - $300 / hr2 - 9Chilworth, England
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Headquartered in Chilworth, England, Data Made Eazy is a Data Annotation Services company. Their services include Data Annotation Services and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Launched in 2024, Aetherius Technologies is a software development firm. The company provides Custom Software Development and Web Development, and is small.
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$5,000+$25 - $49 / hr2 - 9Hyderabad, India
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XAIOS Solutions is a website development firm. Established in 2025, the team focuses on Web Development and IoT development. The firm is based in Hyderabad, India.
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Undisclosed< $25 / hr2 - 9
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Srutved is a small website development company launched in 2024. Their services include Web Development and API Development.
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$1,000+< $25 / hr2 - 9Islamabad, Pakistan
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Launched in 2021, AI Axis is a small Islamabad, Pakistan-based software development company. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
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R Gupta Consultancy Services Inc. Is an API Development company. The agency is in Ottawa, Canada. Their team offers API Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9
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Nimbus Solutions is a web design company. The Marikina CIty, Philippines-based team offers Web Design and Custom Software Development.
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$1,000+< $25 / hr2 - 9Lahore, Pakistan
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Design N Dev is an UX company. The company is based in Lahore, Pakistan. Their team focuses on UX/UI Design and Web Development.
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$10,000+$25 - $49 / hr2 - 9
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Syzium is a custom software development firm. Headquartered in Chișinău, Moldova, their team specializes in Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Almería, Spain
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Established in 2023, Elumad is a custom software development firm. The small team provides Custom Software Development and API Development.
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$10,000+$50 - $99 / hr2 - 9
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BlackShift is a custom software development company. Founded in 2025, their team offers Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr2 - 9Quito, Ecuador
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TucanBit is a small custom software development company. Launched in 2024, the team provides Custom Software Development and API Development.
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$5,000+$25 - $49 / hr2 - 9Poznań, Poland
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Company Description MODCODEPLUS is a technology-driven company specializing in software development, artificial intelligence solutions, and digital consulting. We help businesses optimize processes,
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$10,000+$25 - $49 / hr2 - 9
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Xenoautolabs LLP is an API Development company. Their team is based in Greater Noida, India and provides API Development and Custom Software Development.
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$1,000+< $25 / hr2 - 9
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Launched in 2021, Digihanumark is a small mobile app development firm. Their team specializes in Mobile App Development and API Development.
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$25,000+$100 - $149 / hr2 - 9
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Knewasys is a Fort Collins, Colorado-based software development firm. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Medellín, Colombia
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Founded in 2012, INCUBO ASESORAS INTEGRALES SAS is a software development firm. The team provides Custom Software Development and API Development and is headquartered in Medellín, Colombia.
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$1,000+< $25 / hr2 - 9Lahore, Pakistan
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Codexiom is a web development firm. The Lahore, Pakistan-based agency was founded in 2025. Their services include Web Development and API Development.
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UndisclosedUndisclosed2 - 9Katowice, Poland
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Software development company Signum Edward Kuś was launched in 2015. The agency provides Custom Software Development and E-Commerce Development, and is small.
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$1,000+< $25 / hr2 - 9Ludhiana, India
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Based in Ludhiana, India, Techstat Dynamics Private limited is a custom software development firm. They focus on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Cheektowaga, NY
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Graveyard Jokes is a web design company. The Cheektowaga, New York-based team provides Web Design and Web Development.
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$1,000+$25 - $49 / hr2 - 9Ahmedabad, India
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Nextract is a big data company. Launched in 2025, the team offers BI & big data consulting & SI and API Development.
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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.