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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$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
See all 3 projectsTooktech Web Technologies is a custom software development company with expertise in developing legal software, web-based applications, and service applications using technologies such as .NET, Node.js, and Angular. The company consistently receives positive feedback, with over 90% of reviews highlighting their integrity, strong project management, and ability to deliver on time and within budget. Clients particularly commend their honesty, technical competence, and collaborative approach.
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$10,000+$150 - $199 / hr10 - 49Calgary, Canada
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See all 9 projectsSaucal is a specialized web development company renowned for its expertise in WooCommerce and WordPress. With a focus on custom solutions, they provide services ranging from website development to ongoing maintenance and technical consultations. The reviews consistently highlight Saucal's strengths in project management, responsiveness, and technical proficiency, with nearly 100% positive feedback emphasizing their ability to deliver complex projects efficiently. Clients frequently commend their superior communication and collaboration, with approximately 90% mentioning their problem-solving capabilities and dedication to exceeding expectations.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsLinkeen is a software engineering firm excelling in recruitment and project management, particularly in front-end development and system architecture enhancement. Their commitment to proactive and seamless integration is reflected in positive reviews, with 100% of clients highlighting their technical expertise and hands-on management approach, resulting in projects completed ahead of schedule.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsSafravo ltd is a company specializing in API Development Services, particularly in mobile app development and API Integration. Customer feedback highlights their professional project management, responsiveness, and effective communication, with 97% payment success and a consistent user base. Some reviews suggest improvements in meeting tighter deadlines and providing clearer documentation.
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$5,000+$100 - $149 / hr10 - 49Arnhem, Netherlands
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Four Digits is a website development firm. In Arnhem, Netherlands, their team provides Web Development and API Development.
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$5,000+$50 - $99 / hr50 - 249Paris, France
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THE CODING MACHINE is a software development firm. In Paris, France and Lyon, France, the firm was founded in 2005. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Indore, India
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See all 23 projectsExpressTech Software Solutions is a versatile company specializing in API Development Services and related solutions. With a 100% positive feedback rate, reviewers commend their technical expertise, proactive communication, and client-centric approach. The company's ability to meet project timelines and adapt to client needs is consistently highlighted as impressive.
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$25,000+$50 - $99 / hr10 - 49Canvey Island, England
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See all 1 projectsAi Web Solutions Ltd specializes in comprehensive property management solutions, offering services such as API Development, HR management, contract automation, and internal communication tools. Reviews highlight their commitment to seamless project execution, responsiveness to client needs, and their ability to deliver innovative solutions tailored to complex requirements, ensuring client satisfaction and continued collaboration.
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$10,000+$25 - $49 / hr10 - 49Thiruvananthapuram, India
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Alokin is a software development company founded in 2011. Their services include Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr50 - 249Brentwood, TN
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ChampSoft Inc. Is a midsize IT staff augmentation company located in Brentwood, Tennessee and Bengaluru, India. The team specializes in IT staff augmentation and Low/No Code Development.
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$10,000+$50 - $99 / hr2 - 9
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Mogabyte Labs, a custom software development firm, is based in Cluj-Napoca, Romania. They focus on Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49हीर, India
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Eons Soft Tech, a software development firm, is headquartered in हीर, India. Founded in 2017, the team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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Founded in 2013, ErgoServ is a custom software development company. Their team focuses on Custom Software Development and Web Development.
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$5,000+$100 - $149 / hr50 - 249Dublin, Ireland
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Cyrex Ltd., a custom software development company, was launched in 2015. The midsize team provides Custom Software Development and Application Testing.
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$5,000+$50 - $99 / hr10 - 49València, Spain
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Web design company Levenant S.L. Was launched in 2000. In València, Spain, the team focuses on Web Design and Logo.
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$5,000+$25 - $49 / hr10 - 49Coimbatore, India
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Software development company Softiqo is in Coimbatore, India and Erode, India. Established in 2024, the team specializes in Custom Software Development and E-Commerce Development.
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$5,000+$25 - $49 / hr10 - 49
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Web development company Augursoft specializes in Web Development and Mobile App Development. They were established in 2003.
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$5,000+$100 - $149 / hr2 - 9
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Djangsters GmbH is a software development firm. They were established in 2013, and their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9Beograd, Serbia
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Trimtab Solutions DOO, a big data analytics company, is in Beograd, Serbia. Launched in 2017, the team specializes in BI & big data consulting & SI and ERP consulting and SI.
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$25,000+$50 - $99 / hr10 - 49Miraflores, Peru
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Applied Labs is a custom software development firm. The small Miraflores, Peru-based team specializes in Custom Software Development and IT managed services. The agency was launched in 2010.
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$1,000+< $25 / hr10 - 49Rajkot, India
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Ranpariya The Development Lab LLP is a website development company headquartered in Rajkot, India. Their services include Web Development and API Development.
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$10,000+$100 - $149 / hr10 - 49Wien, Austria
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ContentReactor GmbH is a website development company established in 2021. The team provides Web Development and API Development and is based in Wien, Austria.
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$5,000+$25 - $49 / hr10 - 49Brooklyn, NY
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Coder Crew is an user experience design agency. Their team is based in Brooklyn, New York and Lahore, Pakistan and focuses on UX/UI Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49Sheridan, WY
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See all 1 projectsJSS Devs specializes in providing tailored solutions, including ERP implementation with comprehensive modules such as inventory management and human resources. Clients have praised their ability to deliver projects on time while demonstrating a keen interest in client products, fostering seamless communication and adaptability. Their services align well with budgetary constraints and geographic preferences, making them a reliable partner for businesses seeking efficient solutions.
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$10,000+$25 - $49 / hr2 - 9
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See all 1 projectsIT Brains is a premier web agency specializing in Laravel and Vue.js development. With a seasoned team of remote professionals boasting over a decade of industry experience, we excel in crafting
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UndisclosedUndisclosed10 - 49Vancouver, Canada
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TimeTrex, a software development firm and API Development company, offers Custom Software Development and API Development. The agency is based in Vancouver, Canada and Toronto, Canada.
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$5,000+Undisclosed10 - 49
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General Systems Corporation, a mobile application development company, was established in 1969. The team focuses on Mobile App Development and Artificial Intelligence and is in Reston, Virginia.
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$5,000+$50 - $99 / hr10 - 49Florianópolis, Brazil
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PETE.Tech is a web development company. Located in Florianópolis, Brazil and Hamburg, Germany, the team focuses on Web Development and Mobile App Development.
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$25,000+Undisclosed10 - 49Calgary, Canada
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Software development firm Novus Tech Group focuses on Custom Software Development and API Development. They were established in 2024.
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$5,000+$50 - $99 / hr10 - 49Pune, India
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See all 1 projectsChainScore Labs is a blockchain development and Web3 engineering studio specializing in DeFi platforms, smart contracts, exchange infrastructure, wallets, protocol tooling, and production-grade Web3
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$1,000+Undisclosed10 - 49London
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Established in 2023, Trapi is an API Development company. The small team offers API Development and Custom Software Development.
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Undisclosed$25 - $49 / hr10 - 49Bengaluru, India
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Launched in 2004, Greypath Solutions is an API Development company. The team focuses on API Development and Web Design.
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$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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Launched in 2025, Process Junction Pvt Ltd is a small custom software development company. Their team provides Custom Software Development and API Development.
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$5,000+$100 - $149 / hr2 - 9Montréal, Canada
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OneNine Innovations is a custom software development company. The Montréal, Canada-based company was launched in 2024. Their team focuses on Custom Software Development and Web Development.
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$5,000+< $25 / hr10 - 49Hyderabad, India
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See all 2 projectsOver a decade of experience architecting and delivering secure, scalable, and compliant financial systems Core Capabilities Payments & Remittance Systems Built end-to-end payment gateways with
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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Custom software development firm ReacTree was established in 2018. The small team offers Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Wrocław, Poland
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Established in 2023, Devone Software is a small custom software development firm. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Skokie, IL
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DevVerx is a website development firm. In Skokie, Illinois, the agency was launched in 2012. Their team offers Web Development and Microservices Architecture Services.
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$5,000+< $25 / hr50 - 249Indore, India
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EnProSys is a custom software development company. The Indore, India-based agency was founded in 2008. Their services include Custom Software Development and Mobile App Development.
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$1,000+$25 - $49 / hr10 - 49Faridabad, India
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Himank Soft Solutions Private Limited is a website development company. They specialize in Web Development and API Development and were established in 2018.
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$5,000+< $25 / hr10 - 49Sri Ganganagar, India
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Emiq Tech Private Limited, a website development company, specialize in Web Development and Mobile App Development. They were launched in 2022.
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UndisclosedUndisclosed10 - 49Põhja-Tallinna, Estonia
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Launched in 2010, Agile Software Development is a software development company. The agency specializes in Custom Software Development and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Novi Sad, Serbia
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DataDrill is a software development company in Novi Sad, Serbia. They specialize in Custom Software Development and Web Development.
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$1,000+$150 - $199 / hr10 - 49
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Located in Hyderabad, India, OMNIEBEE GLOBAL SOLUTIONS PRIVATE LIMITED is a small web design company. Their services include Web Design and UX/UI Design.
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$25,000+$50 - $99 / hr50 - 249Wrocław, Poland
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Launched in 2000, ArdentCode is a website development firm. The team focuses on Web Development and API Development and is headquartered in Wrocław, Poland and Warszawa, Poland.
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$5,000+$25 - $49 / hr10 - 49
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PearlThoughts is a small Thoothukudi, India-based software development company. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr50 - 249
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See all 1 projectsSylnovia specializes in designing and developing e-commerce platforms, managing backend systems, and enhancing SEO for improved online visibility. The reviews highlight their attention to detail, responsiveness, and professionalism, resulting in visually appealing and functionally robust websites. Clients appreciate the increased sales and customer engagement, although there is a minor note on occasionally missed deadlines.
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$5,000+$100 - $149 / hr2 - 9Bundoora, Australia
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Web Champion is a website development company in Bundoora, Australia. They offer Web Development and E-Commerce Development and were launched in 2010.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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Fabninjas Private Limited, a custom software development firm, was launched in 2021. Based in Ahmedabad, India, the team specializes in Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49Charlbury, England
Services provided
Evensix is a website development firm. They focus on Web Development and Web Design and are based in Charlbury, England.
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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.