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.
15 Leaders 15 Contenders
6,388 Companies
List of the Top API Development Services
Sponsored
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$5,000+$25 - $49 / hr2 - 9
Services provided
20% API Development20% AI Development20% Mobile App Development +3 services20% Web Development10% AI Consulting10% IT Strategy ConsultingINFILP is an API Development company. The Lahore, Pakistan-based agency was established in 2023. Their services include API Development and Artificial Intelligence.
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$1,000+$25 - $49 / hr2 - 9
Services provided
20% API Development20% Custom Software Development20% Mobile App Development +2 services20% Other Application Development20% Web DevelopmentSprifa is an API Development company. Established in 2026, the agency focuses on API Development and Custom Software Development.
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$1,000+$100 - $149 / hr2 - 9
Services provided
20% API Development50% Web Development10% AI Development +2 services10% CRM Consulting and SI10% ERP Consulting and SILaunched in 2026, TravigoTech is a small website development company. Their team focuses on Web Development and API Development.
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$1,000+< $25 / hr2 - 9
Services provided
20% API Development30% Web Development25% CRM Consulting and SI +3 services10% Custom Software Development10% E-Commerce Development5% Web DesignInfonexis Technologies, a website development firm, provides Web Development and CRM consulting and SI. The firm is in Chandigarh, India.
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$1,000+< $25 / hr2 - 9
Services provided
20% API Development50% Web Development30% Custom Software DevelopmentWeb development firm Tenlogic is headquartered in Cayo District, Belize. Launched in 2026, the team specializes in Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
20% API Development25% Mobile App Development25% Web Development +3 services15% DevOps Managed Services10% Custom Software Development5% E-Commerce DevelopmentAman Technologies, an app development company, focuses on Mobile App Development and Web Development. The firm is headquartered in Nouakchott, Mauritania.
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UndisclosedUndisclosed2 - 9Lahore, Pakistan
Services provided
20% API Development30% Mobile App Development20% Web Development +2 services15% Custom Software Development15% Other Application DevelopmentINNCA Technologies is a mobile app development firm founded in 2026. Their team offers Mobile App Development and API Development.
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$25,000+$25 - $49 / hr2 - 9Kolkata, India
Services provided
20% API Development20% E-Commerce Development20% Mobile App Development +2 services20% Other Application Development20% Web DevelopmentHolotwins Bharat is a Kolkata, India-based API Development company. Launched in 2025, the team specializes in API Development and E-Commerce Development.
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$1,000+$50 - $99 / hr2 - 9
Services provided
20% API Development35% Custom Software Development25% AI Development +2 services10% CRM Consulting and SI10% Web DevelopmentKTNSINNOVATIONS LLC is a software development firm in Hamilton Township, New Jersey. The team offers Custom Software Development and Artificial Intelligence.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
20% API Development30% Application Management & Support25% Application Testing +1 service25% Custom Software DevelopmentWellsoft Solutions is an Application Management & Support company. They were founded in 2025 and focus on Application Management & Support and Custom Software Development.
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$1,000+< $25 / hr2 - 9Dhaka, Bangladesh
Services provided
20% API Development20% Custom Software Development20% E-Commerce Development +2 services20% Other Application Development20% Web DevelopmentSysnex Software Solutions, an API Development company, was launched in 2026. The small team specializes in API Development and Custom Software Development.
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Undisclosed< $25 / hr2 - 9
Services provided
20% API Development30% Web Development20% AI Development +2 services15% Generative AI15% Web DesignLaunched in 2026, GBRO Industries is a web development company. Based in Nashik, India, the team provides Web Development and API Development.
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$10,000+Undisclosed2 - 9Sainte-Catherine-de-la-Jacques-Cartier, Canada
Services provided
20% API Development25% Mobile App Development25% Web Development +3 services20% Custom Software Development5% AI Agents5% AI DevelopmentCallsign North is an application development company founded in 2026. Their team offers Mobile App Development and Web Development.
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Undisclosed$25 - $49 / hr2 - 9
Services provided
20% API Development40% Web Development20% Web Design +2 services10% Custom Software Development10% E-Commerce DevelopmentByteOtter is a website development company. They were launched in 2026, and their services include Web Development and API Development.
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$1,000+< $25 / hr2 - 9
Services provided
20% API Development30% Web Development20% Custom Software Development +4 services10% E-Commerce Development10% Mobile App Development5% AI Agents5% AI DevelopmentAqsa LogicByte is a web development company founded in 2026. The firm provides Web Development and API Development, and is small.
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UndisclosedUndisclosed2 - 9
Services provided
20% API Development35% AI Development30% Custom Software Development +2 services10% Web Development5% AI ConsultingIn Yerevan, Armenia, Seawolf Intelligent Computing LLC is a small AI development company. The team offers Artificial Intelligence and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9
Services provided
20% API Development50% Web Development20% Search Engine Optimization +1 service10% Social Media MarketingStrata Interactive is a website development company. The team focuses on Web Development and API Development, and the agency is located in Bhubaneswar, India.
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$1,000+$100 - $149 / hr2 - 9
Services provided
20% API Development40% Custom Software Development20% Mobile App Development +1 service20% Web DevelopmentElmeris LLC is a custom software development firm based in Sheridan, Wyoming. They specialize in Custom Software Development and API Development and were launched in 2023.
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UndisclosedUndisclosed2 - 9
Services provided
20% API Development60% Web Development20% UX/UI DesignCyberMint Studios is a web development firm launched in 2026. The team offers Web Development and API Development and is based in malda, India.
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UndisclosedUndisclosed2 - 9San Diego, CA
Services provided
20% API Development15% Application Testing10% AI Consulting +7 services10% Custom Software Development10% Generative AI10% Microservices Architecture Services10% Web Development5% AI Agents5% AI Development5% Application Management & SupportCapacity Forge Inc is an API Development company. The team is located in San Diego, California, and their services include API Development and Application Testing.
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$1,000+< $25 / hr50 - 249
Services provided
11% API Development56% Custom Software Development11% E-Commerce Development +2 services11% Mobile App Development11% Web DevelopmentBlackBerry Tech, a software development company, was founded in 2023. The team provides Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
Services provided
15% API Development20% Generative AI10% Content Moderation Services +6 services10% Custom Software Development10% Enterprise App Modernization10% Low/No Code Development10% Other Application Development10% Web Design5% Microservices Architecture ServicesDBI Technologies Inc., an Enterprise App Modernization company, was founded in 1996. The small team specializes in Enterprise App Modernization and Other Application Development.
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UndisclosedUndisclosedFreelancer
Services provided
10% API Development25% Custom Software Development20% Web Development +4 services15% Mobile App Development10% E-Commerce Development10% UX/UI Design10% Web DesignCode Pe Charcha is a software development firm. They were launched in 2026, and their services include Custom Software Development and Web Development.
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$5,000+$150 - $199 / hr2 - 9
Services provided
15% API Development15% AI Development15% Conversion Optimization +4 services15% UX/UI Design15% Web Design15% Web Development10% Custom Software DevelopmentSee all 1 projectsIn the AI era, the real advantage isn’t technology — it’s people, connections, and the knowledge they share. At Temper we work with innovation accelerators, Government departments and
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$10,000+$50 - $99 / hr2 - 9
Services provided
15% API Development20% Custom Software Development15% Web Development +5 services10% AI Agents10% Cloud Consulting & SI10% Enterprise App Modernization10% IT Staff Augmentation10% Mobile App DevelopmentEstablished in 2022, 3VD Solutions SH.P.K. Is a custom software development company. The agency offers Custom Software Development and API Development.
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UndisclosedUndisclosed2 - 9Toronto, Canada
Services provided
15% API Development15% Web Development10% AI Development +6 services10% Blockchain10% Cloud Consulting & SI10% Cybersecurity10% Mobile App Development10% Product Design10% Search Engine OptimizationFounded in 2021, CJ Technologies is a web development company. Based in Toronto, Canada, the team focuses on Web Development and API Development.
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$1,000+$50 - $99 / hr2 - 9Omaha, NE
Services provided
15% API Development15% Branding15% Cloud Consulting & SI +5 services15% Social Media Marketing10% CRM Consulting and SI10% Email Marketing10% Low/No Code Development10% Web DevelopmentBMVA Digital is a branding agency. Their small team is based in Omaha, Nebraska. Their services include Branding and Social Media Marketing.
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Undisclosed$25 - $49 / hr2 - 9
Services provided
15% API Development30% Custom Software Development30% E-Commerce Development +1 service25% Web DevelopmentMass Creations, a software development company, was launched in 2020. Located in Bury St Edmunds, England, the team specializes in Custom Software Development and E-Commerce Development.
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$5,000+$100 - $149 / hr2 - 9
Services provided
15% API Development25% Web Development20% AI Development +3 services15% DevOps Managed Services15% Mobile App Development10% E-Commerce DevelopmentDevTeam Co., Ltd. Is a website development firm. They offer Web Development and Artificial Intelligence and were established in 2025. The company is based in Incheon, South Korea.
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$25,000+$50 - $99 / hr2 - 9Warrington, England
Services provided
15% API Development15% E-Commerce Development15% IoT Development +5 services15% Web Development10% AI Development10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Product DesignDotnet is a website development company. Based in Warrington, England, the team provides Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Lahore, Pakistan
Services provided
15% API Development15% Application Testing10% Application Management & Support +6 services10% Custom Software Development10% E-Commerce Development10% Mobile App Development10% UX/UI Design10% Web Design10% Web DevelopmentGeeks Force is an API Development company. Established in 2020, the team specializes in API Development and Application Testing. The company is headquartered in Lahore, Pakistan.
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$10,000+$50 - $99 / hr2 - 9Toronto, Canada
Services provided
15% API Development25% AI Development20% Custom Software Development +3 services20% Mobile App Development10% Microservices Architecture Services10% Web DesignCustom software development firm Sodelia Inc. Focuses on Custom Software Development and Artificial Intelligence. They are in Toronto, Canada.
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$5,000+$50 - $99 / hr2 - 9Knutsford, England
Services provided
15% API Development15% Branding15% Custom Software Development +5 services15% Web Design15% Web Development10% Digital Strategy10% UX/UI Design5% Marketing StrategyPytech, a branding firm, was founded in 2021. The team focuses on Branding and Web Design and is headquartered in Knutsford, England.
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$1,000+$50 - $99 / hr2 - 9Klaipėda, Lithuania
Services provided
15% API Development30% Web Development25% E-Commerce Development +4 services10% Mobile App Development10% UX/UI Design5% Digital Strategy5% IT Strategy ConsultingWeb development firm Owlet Studio was founded in 2024. The firm focuses on Web Development and E-Commerce Development, and is small.
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$10,000+$100 - $149 / hr2 - 9
Services provided
15% API Development15% Blockchain15% Mobile App Development +5 services15% Web Development10% Custom Software Development10% Graphic Design10% UX/UI Design10% Web DesignLaunched in 2022, W3r.one is a small web development firm. Their services include Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9Porto, Portugal
Services provided
15% API Development25% Web Development20% DevOps Managed Services +4 services15% Custom Software Development10% Cloud Consulting & SI10% Microservices Architecture Services5% IT Managed ServicesRemote Flags is a web development firm. The Porto, Portugal-based company was established in 2022. Their team focuses on Web Development and DevOps Managed Services.
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Undisclosed$25 - $49 / hr2 - 9
Services provided
15% API Development20% AI Development20% Generative AI +4 services15% DevOps Managed Services10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Web DevelopmentLaunched in 2024, 41Labs is an artificial intelligence company. The small team focuses on Artificial Intelligence and Generative AI.
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Undisclosed$25 - $49 / hr2 - 9Pune, India
Services provided
15% API Development30% Mobile App Development30% Web Development +2 services20% E-Commerce Development5% CybersecuritySOFTECH CODERZ IT SOLUTIONS is a website development company. Headquartered in Navi Mumbai, India and Pune, India, the agency specializes in Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
15% API Development35% Mobile App Development25% Web Development +2 services15% UX/UI Design10% Web DesignAppVaze is an app development firm launched in 2019. The firm provides Mobile App Development and Web Development, and is small.
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$1,000+< $25 / hr2 - 9Kathmandu, Nepal
Services provided
15% API Development25% Web Development15% Custom Software Development +5 services10% Application Testing10% Enterprise App Modernization10% Mobile App Development10% Other Application Development5% AI DevelopmentNuptse Technology, a website development firm, is located in Kathmandu, Nepal. They offer Web Development and API Development and were established in 2018.
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$5,000+$50 - $99 / hr2 - 9Barcelona, Spain
Services provided
15% API Development50% Web Development35% E-Commerce DevelopmentUpturnRenals is a web development company. They are located in Barcelona, Spain and have small team. They provide Web Development and E-Commerce Development.
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$50,000+$50 - $99 / hr2 - 9
Services provided
15% API Development15% Custom Software Development15% Mobile App Development +4 services15% Other Application Development15% Other IT Consulting and SI15% Web Development10% DevOps Managed ServicesFounded in 2022, ANTU DEVOPS, a small other IT consulting and SI company, is based in Ciudad Victoria, Mexico. Their team provides other IT consulting and SI and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
15% API Development25% Custom Software Development18% Web Development +4 services15% AI Development10% Enterprise App Modernization10% UX/UI Design7% Application Management & SupportKavita Systems, a software development company, was launched in 2015. The team provides Custom Software Development and Web Development and is headquartered in Cluj-Napoca, Romania.
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$1,000+$25 - $49 / hr2 - 9
Services provided
15% API Development15% Custom Software Development15% Graphic Design +4 services15% Mobile App Development15% Web Design15% Web Development10% UX/UI DesignIn București, Romania, BINARY FUSION SRL is a web design company. They specialize in Web Design and Graphic Design.
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$5,000+$25 - $49 / hr2 - 9Oradea, Romania
Services provided
15% API Development15% AI Development15% Custom Software Development +4 services15% Mobile App Development15% Web Development13% E-Commerce Development12% Robotics Process AutomationGIB Media is a web development firm. They were launched in 2010 and focus on Web Development and Mobile App Development.
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Undisclosed< $25 / hr2 - 9Sheridan, WY
Services provided
15% API Development20% Custom Software Development20% Mobile App Development +3 services20% Web Development15% Other Application Development10% Cloud Consulting & SISabi LLC is a Sheridan, Wyoming-based custom software development company. Founded in 2021, the team provides Custom Software Development and Web Development.
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$5,000+Undisclosed2 - 9Ciudad de México, Mexico
Services provided
15% API Development15% Custom Software Development10% CRM Consulting and SI +6 services10% Cloud Consulting & SI10% Computer Engineering10% ERP Consulting and SI10% Mobile App Development10% Web Design10% Web DevelopmentCodifika Technologies is a custom software development firm. They provide Custom Software Development and API Development and are based in Ciudad de México, Mexico.
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UndisclosedUndisclosed2 - 9Clearwater, FL
Services provided
15% API Development20% Custom Software Development15% Application Management & Support +6 services15% Enterprise App Modernization15% Web Development5% AI Development5% Application Testing5% Microservices Architecture Services5% Mobile App DevelopmentByte Bot, a small software development firm, is headquartered in Clearwater, Florida and South Burlington, Vermont. Their services include Custom Software Development and API Development.
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$1,000+$50 - $99 / hr2 - 9Vallgorguina, Spain
Services provided
15% API Development15% Custom Software Development15% UX/UI Design +5 services15% Web Development10% Application Management & Support10% Mobile App Development10% Product Design10% Web DesignJellyBrains Digital Studio S.L is an user experience design agency founded in 2016. The firm specializes in UX/UI Design and Custom Software Development, and is small.
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Undisclosed< $25 / hr2 - 9
Services provided
15% API Development30% Custom Software Development20% Mobile App Development +2 services20% Web Development15% AI DevelopmentLaunched in 2022, LikeChuck, a small custom software development firm, is based in Salta, Argentina. Their services include 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.
Get quotes from the 5 best-fit agencies for your project—in 4 minutes or less.