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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AetherSoft Technology is a web design company. The agency is headquartered in Kathmandu, Nepal. Their team provides Web Design and Web Development.
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$1,000+$50 - $99 / hr2 - 9Tel Aviv-Yafo, Israel
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Founded in 2025, RAG Guard is an AI firm. The firm offers Artificial Intelligence and API Development.
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$5,000+$50 - $99 / hr2 - 9Athens, TN
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Catalyst Software Solutions is a software development firm established in 2026. Their team offers Custom Software Development and Enterprise App Modernization.
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$50,000+$100 - $149 / hr2 - 9Philadelphia, PA
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Beneficial Enterprise Group, a small API Development company, is located in Philadelphia, Pennsylvania. The team provides API Development and ERP consulting and SI.
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$1,000+$50 - $99 / hr2 - 9
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AllScript Lab is an API Development company in Delhi, India. They provide API Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9Newhaven, England
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Code48 is a small web development company founded in 2026. Their team specializes in Web Development and API Development.
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$5,000+$25 - $49 / hr2 - 9
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Sparkler Soft is an app development company. The team is headquartered in Warsaw, Poland, and their services include Mobile App Development and API Development.
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$1,000+$25 - $49 / hr2 - 9Bani Gala, Pakistan
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Codic Systems is an API Development company established in 2026. The team offers API Development and Web Development and is in Bani Gala, Pakistan.
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$1,000+$50 - $99 / hr2 - 9
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Rhizza Lab is an API Development company. Launched in 2026, the firm is headquartered in Porto Alegre, Brazil. Their services include API Development and Low/No Code Development.
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$1,000+$25 - $49 / hr250 - 999
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Anteyko Labs is a software development firm. They are located in Bishkek, Kyrgyzstan and have midsize team of experts. Their services include Custom Software Development and AI Agents.
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UndisclosedUndisclosed2 - 9
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Ngotho Technologies, a web design agency, was launched in 2019. The firm focuses on Web Design and UX/UI Design.
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UndisclosedUndisclosedFreelancerShekhupura, Pakistan
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Small web development firm Circle Dev, is in Shekhupura, Pakistan. Their services include Web Development and E-Commerce Development.
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Undisclosed< $25 / hrFreelancerMultan, Pakistan
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Shahzaib Ahmad’s Services is a website development firm. The team provides Web Development and Mobile App Development and is based in Multan, Pakistan.
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$1,000+< $25 / hrFreelancer
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Custom software development firm Kangel Technologies is headquartered in Gampaha, Sri Lanka. The team focuses on Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hrFreelancer
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Sublayer Dev Studios is a SEO agency. They offer Search Engine Optimization and Web Design and were launched in 2024. The firm is in Dhaka, Bangladesh.
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UndisclosedUndisclosedFreelancerHanamkonda, India
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MaximaAI, a custom software development company, was founded in 2025. The team focuses on Custom Software Development and Web Development and is based in Hanamkonda, India.
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UndisclosedUndisclosed50 - 249
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Web development company CodeDrift was launched in 2024. The company provides Web Development and Application Testing, and is midsize.
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$10,000+UndisclosedFreelancerGandhinagar, India
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Launched in 2025, Kastrick is a small Gandhinagar, India-based API Development company. Their services include API Development and Custom Software Development.
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$1,000+$50 - $99 / hrFreelancerCartagena de Indias, Colombia
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AgentiMatic is a Cartagena de Indias, Colombia-based custom software development company. They focus on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Headquartered in Vadodara, India, Abhiramik Softwares is a small custom software development company. The team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Pannipitiya, Sri Lanka
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Established in 2025, Cytec Cloud (PVT) LTD is a cloud consulting & SI company. The team focuses on cloud consulting & SI and Web Development.
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Undisclosed< $25 / hr10 - 49Rajkot, India
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Mobile application development firm DND SOFTWARE PRIVATE LIMITED is based in Rajkot, India. The team provides Mobile App Development and Custom Software Development.
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$25,000+$50 - $99 / hr2 - 9
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EXPLORio, an IT strategy consulting company, was established in 2011. The agency provides IT strategy consulting and Cybersecurity.
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$1,000+$50 - $99 / hr2 - 9Holon, Israel
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CodeArtworks LTD is a Holon, Israel-based custom software development company. Founded in 2021, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9New York, NY
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Software development company Skycode Solutions is in New York, New York. The team specializes in Custom Software Development and Mobile App Development.
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$5,000+$100 - $149 / hr2 - 9Romford, England
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Headquartered in Romford, England, GGDX Ltd is a small website development company. The team offers Web Development and Application Testing.
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Undisclosed$25 - $49 / hr2 - 9Faisalabad, Pakistan
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Internet Pages is a Logo company established in 2022. The agency offers Logo and E-Commerce Development.
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$1,000+< $25 / hr2 - 9T'bilisi, Georgia
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Established in 2024, DeltaSpark is a small software development company based in T'bilisi, Georgia. Their team focuses on Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr2 - 9
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Rokias GmbH, a web development firm, was established in 2023. The small team offers Web Development and API Development.
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Undisclosed$25 - $49 / hr2 - 9
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In Lisboa, Portugal, Atallutions is a custom software development company. Founded in 2023, the team provides Custom Software Development and Web Development.
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$5,000+$150 - $199 / hr2 - 9Vantaa, Finland
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Bountyy is a small Vantaa, Finland-based Cybersecurity company. The team focuses on Cybersecurity and Web Development.
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Undisclosed$100 - $149 / hr2 - 9Manchester, England
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Established in 2024, Copiq is a small public relations firm. Their team offers Public Relations and Social Media Marketing.
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$1,000+$25 - $49 / hr2 - 9New Delhi, India
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User experience design company Filari was launched in 2019. The agency offers UX/UI Design and Custom Software Development, and is small.
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$10,000+$50 - $99 / hr2 - 9
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Custom software development company Sathaga Primal Private Limited is in Chennai, India. Their services include Custom Software Development and API Development.
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$10,000+$25 - $49 / hr2 - 9Glenview, IL
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Adtitude Digital, an Engineering company, is based in Glenview, Illinois. They specialize in Engineering and BI & big data consulting & SI and were established in 2021.
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$10,000+$25 - $49 / hr2 - 9
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Archanis Ltd is a software development firm. They are based in Maidenhead, England. Their team offers Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr2 - 9Castrop-Rauxel, Germany
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Launched in 2021, Schwekas IT GmbH is a small custom software development company. Their team provides Custom Software Development and API Development.
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$1,000+< $25 / hr2 - 9
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API Development company Zorinto Ltd is based in London, England. They specialize in API Development and Custom Software Development and were founded in 2024.
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$1,000+$100 - $149 / hr2 - 9
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Blueprint Software LLC is a small API Development company. Established in 2025, the team provides API Development and Web Development.
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$25,000+$50 - $99 / hr2 - 9
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Launched in 2026, Latch Vector LLC is a custom software development company. The team offers Custom Software Development and API Development.
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Undisclosed< $25 / hr2 - 9
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Acinor Solutions Private Limited is an API Development company launched in 2025. The team provides API Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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AIGOCO Tech Platforms FZE LLC, a software development company, is located in Sharjah, United Arab Emirates. Their services include Custom Software Development and API Development.
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$1,000+$25 - $49 / hr2 - 9
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Eraaz Tech is an AI Agents company founded in 2023. The small team specializes in AI Agents and API Development.
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Undisclosed$25 - $49 / hr2 - 9
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Vagmine Cloud Solution is a CRM consulting and SI company. They are headquartered in Greater Noida, India and have small team. They focus on CRM consulting and SI and API Development.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsSyed Ahmer Shah is a Software Engineer and Full-Stack Developer who builds high-performing, reliable digital products for startups, growing businesses, and modern brands. I work across the full
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$5,000+< $25 / hr50 - 249
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Headquartered in Hyderabad, India, SPARK INFO SOLUTIONS PRIVATE LIMITED is a midsize software development firm. The team specializes in Custom Software Development and AI Consulting.
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$5,000+$25 - $49 / hr2 - 9
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JITTY, a website development firm, is located in Mtskheta, Georgia. The team specializes in Web Development and Application Testing.
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$1,000+< $25 / hr50 - 249Madurai, India
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Vinsup Infotech (P) Ltd is a midsize website development firm. They provide Web Development and Mobile App Development and were launched in 2022.
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$1,000+$50 - $99 / hr50 - 249
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Islamiyah Tech is a custom software development company. They are in Rangpur Sadar, Bangladesh, and their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hrFreelancer
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Founded in 2023, Muhammad Khanm is a small software development firm. Their team offers Custom Software Development and Web Development.
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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.