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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$25,000+$100 - $149 / hr2 - 9Brighton and Hove, England
Services provided
Unusual Technologies is an AR/VR development company. Established in 2018, the team specializes in AR/VR development and UX/UI Design. The company is located in Brighton and Hove, England.
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$5,000+$100 - $149 / hr10 - 49Portland, OR
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Launched in 2017, Automated Dreams, a small software development company, is located in Portland, Oregon. Their services include Custom Software Development and CRM consulting and SI.
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UndisclosedUndisclosed50 - 249Coimbatore, India
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Vegas Consulting is a Business Consulting company in Coimbatore, India and Coimbatore, India. Founded in 2016, the team specializes in Business Consulting.
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$50,000+$100 - $149 / hr1,000 - 9,999Utrecht, Netherlands
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In Utrecht, Netherlands and Groningen, Netherlands, ilionx is a large Digital Strategy company. Their services include Digital Strategy and BI & big data consulting & SI.
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$1,000+$50 - $99 / hr2 - 9
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Santa Marta AB is an Ekerö, Sweden-based ERP consulting and SI company. They provide ERP consulting and SI and Custom Software Development and were established in 2021.
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$5,000+$25 - $49 / hr10 - 49Tunis, Tunisia
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Mss Group Sarl is a software development company. They are based in Tunis, Tunisia and have small team. They focus on Custom Software Development and API Development.
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$10,000+$50 - $99 / hr2 - 9Budapest, Hungary
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Micora.NET Kft. Is a software development company launched in 2013. The agency provides Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
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Recut is an API Development company. They provide API Development and Marketing Strategy and were launched in 2022. The firm is based in N/A, India.
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$10,000+$50 - $99 / hr2 - 9Miami, FL
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Launched in 2024, ReemRose is a small Miami, Florida-based cloud consulting & SI company. Their services include cloud consulting & SI and Web Development.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsMathionix Technologies is an experienced IT Solutions Company delivering comprehensive technology services to startups, SMEs, and enterprises. We specialize in mobile application development, web
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$5,000+Undisclosed10 - 49Bowen Hills, Australia
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Whitefox Cloud, a small cloud consulting & SI company, is headquartered in Bowen Hills, Australia. The team specializes in cloud consulting & SI and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Hà Nội, Vietnam
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Founded in 2020, CODE TOT is a web development company. The company provides Web Development and E-Commerce Development, and is small.
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UndisclosedUndisclosed250 - 999London, England
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Web development company Team In India was launched in 2002. The team specializes in Web Development and Mobile App Development.
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$1,000+$300+ / hr2 - 9
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Small web design company AGENCE SPRITZ, is based in Marcq-en-Barœul, France. Their services include Web Design and IT strategy consulting.
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$1,000+$100 - $149 / hr2 - 9Athina, Greece
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Based in Athina, Greece, LOGIC is a web design agency. Launched in 2020, the team focuses on Web Design and Web Development.
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$1,000+$25 - $49 / hr50 - 249Askim, Sweden
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X-Venture Global Solutions is an API Development company. The company is based in Pannipitiya, Sri Lanka and Askim, Sweden. Their services include API Development and Mobile App Development.
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$10,000+< $25 / hr10 - 49Rosario, Argentina
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0gaming is a software development firm. The small Rosario, Argentina-based team provides Custom Software Development and UX/UI Design. The agency was established in 2023.
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$1,000+$50 - $99 / hr10 - 49McKinney, TX
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Headquartered in McKinney, Texas, RiskSeal, Inc. is a small Generative AI and API Development company. Their services include Generative AI and API Development.
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$5,000+$100 - $149 / hr10 - 49Brisbane City, Australia
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Team 400 (Sydney, Brisbane, Melbourne) is an AI firm based in Brisbane City, Australia and Sydney, Australia. Their services include Artificial Intelligence and AI Consulting.
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$1,000+$25 - $49 / hr2 - 9
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E-GROWTH.GR is a Trikala, Greece-based software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
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Viable is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Custom Software Development and is located in Sheridan, Wyoming.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsSilyze specializes in developing applications and platforms, including B2B e-commerce sites, restaurant menu filtering systems, data visualization tools, and real estate platforms. Client feedback highlights their strong project management skills, attention to detail, and ability to meet tight deadlines. Their consistent ability to align with client values and deliver value for money positions them as a trusted partner for complex web projects.
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Undisclosed$25 - $49 / hrFreelancerThane, India
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Delcog Technologies is a software development firm. They are based in Thane, India. Their team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed1,000 - 9,999Princeton, NJ
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Headquartered in Princeton, New Jersey and Chennai, India, Maveric Systems Limited is a cloud consulting & SI company. The team specializes in cloud consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosed10 - 49
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BuildShip, an AI company and API Development company, is based in Wilmington, Delaware. Their services include Artificial Intelligence and API Development.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsAPI PILOT offers services including API Development, RESTful API Development, and CRM solutions. The reviews highlight their ability to deliver robust, intuitive, and efficient solutions, particularly in lead distribution and CRM development. Clients consistently commend API PILOT's integrity, quality, and seamless project management, making them a highly recommended partner for Application Programming Interface Development projects.
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$1,000+$25 - $49 / hr2 - 9Istanbul, Türkiye
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Solviba, a website development company, was founded in 2024. The team provides Web Development and API Development.
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$25,000+$25 - $49 / hr250 - 999Chennai, India
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Lemonpeak is an API Development company. Based in Chennai, India, the agency was founded in 2009. Their team offers API Development and Custom Software Development.
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UndisclosedUndisclosed50 - 249Karachi, Pakistan
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Intellexal Solutions - ITS is an API Development company. The Karachi, Pakistan-based team provides API Development and AI Agents.
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Undisclosed< $25 / hr10 - 49Rajkot, India
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See all 2 projectsDadword IT – Leading Web & SaaS Development CompanyDadword IT is a full-cycle web development and SaaS product agency helping startups and enterprises build scalable, high-performance digital
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$5,000+$50 - $99 / hr2 - 9Hadera, Israel
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Launched in 2008, WinWeb is a web design agency. The team offers Web Design and CRM consulting and SI.
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$5,000+$50 - $99 / hr2 - 9
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Eco-Soft Economic Software GmbH is an app development firm. Established in 1991, the company provides Mobile App Development and Application Testing.
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$1,000+$25 - $49 / hr2 - 9Surat, India
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SparkScribe Technologies, a software development firm, was established in 2022. In Surat, India, the team specializes in Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49
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Established in 2021, YHH IT Solutions is a web development firm. The team provides Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49
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EByteLogic is an Ahmedabad, India-based software development firm. Launched in 2018, the team provides Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr2 - 9West Palm Beach, FL
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Founded in 2017, Retailbox, a small artificial intelligence company, is located in West Palm Beach, Florida. Their services include Artificial Intelligence and CRM consulting and SI.
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$25,000+$200 - $300 / hr10 - 49Fareham, England
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Lumico Digital, a custom software development firm, focuses on Custom Software Development and Mobile App Development. The company is headquartered in Fareham, England.
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UndisclosedUndisclosed10 - 49
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Izometri Bilisim Hizmetleri, an API Development company, was established in 2010. In Istanbul, Türkiye, the team provides API Development and Custom Software Development.
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$25,000+$25 - $49 / hr10 - 49Chennai, India
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DCXworks Private Limited is a software development firm. The team is located in Chennai, India, and their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr10 - 49Subang Jaya, Malaysia
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Kalsym Systems , an Application Management & Support company, was founded in 2012. The small team specializes in Application Management & Support and API Development.
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UndisclosedUndisclosed50 - 249Khet Phra Nakhon, Thailand
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API LX is an API Development company located in Khet Phra Nakhon, Thailand. The team focuses on API Development.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
Services provided
See all 1 projectsGenboot Private Limited specializes in developing e-commerce websites, offering services such as website design, payment gateway integration, and inventory management systems. The feedback highlights their professionalism, effective communication, and ability to deliver projects on time, resulting in increased sales and customer satisfaction. However, the company could improve its project documentation for an even smoother experience.
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Undisclosed< $25 / hr10 - 49Dhaka, Bangladesh
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See all 1 projectsOne Information and Communications Technology Limited provides web design consultation services, with a strong emphasis on customer support and project management. Their clients commend their efficiency, responsiveness, and supportive approach, highlighting their ability to deliver timely results and adapt to project changes. The company's dedication to client satisfaction is noted as a major strength.
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$10,000+$25 - $49 / hr2 - 9Amman, Jordan
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Razzbery Solutions, a SEO company, is headquartered in Amman, Jordan. The team offers Search Engine Optimization and Custom Software Development.
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Undisclosed$50 - $99 / hr2 - 9Valsad, India
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Neonwiz Technologies is a web development company. Founded in 2012, the agency is based in Valsad, India. Their team focuses on Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr10 - 49Bhopal, India
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See all 1 projectsRelu Consultancy is a technology-driven consultancy specializing in AI automation, intelligent agents, and workflow systems that turn repetitive business processes into scalable, autonomous
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$10,000+< $25 / hr10 - 49Indore, India
Services provided
IZISS TECHNOLOGY PRIVATE LIMITED is a dynamic technology firm specializing in web and mobile app development, offering tailored digital solutions with a focus on cost-effectiveness and quality service delivery. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their project management skills and commitment to understanding client needs, resulting in significant improvements in user engagement and operational efficiency.
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$10,000+$100 - $149 / hr2 - 9Toronto, Canada
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Established in 2015, Quantum Data Science Inc. Is a small business intelligence company in Toronto, Canada. Their team offers BI & big data consulting & SI and Custom Software Development.
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$5,000+$50 - $99 / hr10 - 49Bogotá, Colombia
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See all 1 projectsAuxo offers services in enhancing online visibility, user experience, and boosting conversions through website design and development. The reviews highlight their innovative approach, efficient project management, and commitment to sustainability. While communication was effective, clients suggest more frequent updates could be beneficial. Overall, Auxo is praised for delivering high-quality and creative solutions aligned with client needs.
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Undisclosed< $25 / hr10 - 49Ghaziabad, India
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Samphire IT Solutions is an ERP consulting and SI company. They are located in Ghaziabad, India. Their team provides ERP consulting and SI and Custom Software 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.