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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Undisclosed< $25 / hr10 - 49Agra, India
Services provided
15% API Development15% AI Agents15% AI Development +7 services10% Custom Software Development10% Mobile App Development10% Other Application Development10% Web Development5% E-Commerce Development5% Low/No Code Development5% Web DesignLaxora is an AI Agents company. Located in Agra, India, the firm was established in 2026. Their services include AI Agents and API Development.
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$1,000+< $25 / hr10 - 49Peshawar, Pakistan
Services provided
15% API Development25% Web Development20% Custom Software Development +4 services20% E-Commerce Development10% Application Management & Support5% Application Testing5% Mobile App DevelopmentWebsite development company Orktechs is located in Peshawar, Pakistan. Founded in 2020, the team provides Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
15% API Development15% AI Agents15% AI Development +5 services15% IT Strategy Consulting10% AI Consulting10% CRM Consulting and SI10% Custom Software Development10% Web DesignAI Agents company DevSolutionsAI is headquartered in Canterbury, England. They offer AI Agents and API Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
15% API Development15% AI Agents15% AI Development +5 services15% Custom Software Development10% AI Consulting10% Generative AI10% Mobile App Development10% Web DevelopmentAI Agents company TroveAlgo is headquartered in Lahore, Pakistan. Established in 2025, the team focuses on AI Agents and API Development.
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$5,000+$25 - $49 / hr10 - 49
Services provided
15% API Development15% AI Development15% Custom Software Development +6 services15% Mobile App Development15% Web Development10% Microservices Architecture Services5% E-Commerce Development5% IoT Development5% Wearable App DevelopmentH2App Srl, an API Development company, was established in 2015. The firm offers API Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
15% API Development25% AI Agents15% AI Development +4 services15% Custom Software Development10% Low/No Code Development10% Mobile App Development10% Web DevelopmentNEXAFAB is an AI Agents company. Based in Gujranwala, Pakistan, the company was launched in 2022. Their services include AI Agents and API Development.
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$1,000+< $25 / hr10 - 49Al Kuwayt, Kuwait
Services provided
15% API Development30% Web Development25% Mobile App Development +3 services20% Custom Software Development5% Application Management & Support5% Enterprise App ModernizationInnova Technologies Co. Is a website development firm located in Al Kuwayt, Kuwait. The team provides Web Development and Mobile App Development.
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Undisclosed$50 - $99 / hrFreelancerSouthampton, England
Services provided
25% API Development55% Web Development10% Low/No Code Development +1 service10% Search Engine OptimizationFounded in 2014, DannyTheDev is a website development company. The team focuses on Web Development and API Development and is headquartered in Southampton, England.
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Undisclosed$25 - $49 / hrFreelancer
Services provided
25% API Development25% Custom Software Development25% IT Strategy Consulting +1 service25% Web DevelopmentProvidence Soft Solutions is an IT strategy consulting company. They are based in Santa Felicidade, Brazil, and their services include IT strategy consulting and Custom Software Development.
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$1,000+$50 - $99 / hrFreelancerBudapest, Hungary
Services provided
25% API Development75% Web DevelopmentSmall web development firm SolidWeb, is based in Budapest, Hungary. Their services include Web Development and API Development.
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$5,000+$50 - $99 / hrFreelancerGrépiac, France
Services provided
25% API Development30% Custom Software Development25% ERP Consulting and SI +1 service20% Mobile App DevelopmentCebrian IT is a custom software development company. Based in Grépiac, France, the firm offers Custom Software Development and ERP consulting and SI.
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$1,000+$25 - $49 / hrFreelancer
Services provided
25% API Development25% DevOps Managed Services25% Mobile App Development +1 service25% Web DevelopmentBased in Karachi, Pakistan, Dev is a mobile app development firm. Their services include Mobile App Development and DevOps Managed Services.
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$5,000+UndisclosedFreelancerRiverside, CA
Services provided
25% API Development30% Web Development25% Mobile App Development +3 services10% Wearable App Development5% Low/No Code Development5% Microservices Architecture ServicesSolac Labs, a website development company, was established in 2025. They provides Web Development and Mobile App Development.
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Undisclosed$50 - $99 / hrFreelancerAmsterdam, Netherlands
Services provided
25% API Development25% Custom Software Development25% Web Development +5 services5% E-Commerce Development5% Mobile App Development5% Other Application Development5% UX/UI Design5% Web DesignCodenet is a small custom software development company located in Amsterdam, Netherlands. The team focuses on Custom Software Development and Web Development.
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Undisclosed< $25 / hrFreelancerMykolaiv, Ukraine
Services provided
25% API Development25% Commercial Development25% E-Commerce Development +1 service25% Web DevelopmentWebsite development company Fedkiv Solutions is based in Mykolaiv, Ukraine. Established in 2026, the team specializes in Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hrFreelancerBratislava, Slovakia
Services provided
25% API Development35% Custom Software Development20% Web Development +2 services10% DevOps Managed Services10% IT Strategy ConsultingFounded in 2021, Knaus - Development s. R. O. Is a custom software development company. The firm specializes in Custom Software Development and API Development, and is small.
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$10,000+$50 - $99 / hrFreelancer
Services provided
25% API Development25% Custom Software Development25% Mobile App Development +1 service25% Web DevelopmentYV Studio is a small software development company in São Paulo, Brazil. The team specializes in Custom Software Development and Web Development.
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$5,000+$100 - $149 / hrFreelancerSheridan, WY
Services provided
25% API Development25% Custom Software Development25% E-Commerce Development +1 service25% Web DevelopmentEstablished in 2026, Latitude 10 is a custom software development company. In Sheridan, Wyoming, the team provides Custom Software Development and E-Commerce Development.
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Undisclosed$50 - $99 / hr2 - 9Cluj-Napoca, Romania
Services provided
10% API Development30% Call Center Services15% AI Agents +6 services10% AI Development10% Computer Engineering10% Custom Software Development5% Digital Engineering5% Other Application Development5% TranscriptionSee all 1 projectsCentrale Telefonice provides cloud-hosted VoIP phone systems for Romanian companies, operated by SCIT Technology SRL from Cluj-Napoca since 2009. Our services include cloud PBX, GSM SIM Hosting, AI
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$1,000+< $25 / hr2 - 9
Services provided
10% API Development20% Branding10% Content Marketing +6 services10% Custom Software Development10% Graphic Design10% Mobile App Development10% Social Media Marketing10% UX/UI Design10% Web DevelopmentSee all 1 projectsEntwino Design specializes in website design, branding, and brand strategy. Reviews indicate that the company excels in delivering projects promptly with effective communication, and their unique artistic approach to brand design is particularly impressive. Clients appreciate the company's alignment with their values and regard Entwino Design as offering good value for the cost.
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$1,000+$50 - $99 / hr2 - 9Cairo, Egypt
Services provided
10% API Development30% Web Development20% Web Design +4 services15% E-Commerce Development10% Mobile App Development10% UX/UI Design5% Social Media MarketingLaunched in 2018, U4USER is a web development company. The team focuses on Web Development and Web Design and is in Cairo, Egypt.
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$5,000+$25 - $49 / hr2 - 9Thiruvananthapuram, India
Services provided
10% API Development65% Custom Software Development15% Web Development +1 service10% Enterprise App ModernizationCRIBSON Technologies, a software development company, is in Thiruvananthapuram, India. The team provides Custom Software Development and Web Development.
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$5,000+Undisclosed2 - 9Calgary, Canada
Services provided
10% API Development40% Custom Software Development20% AI Development +2 services15% AI Agents15% Web DevelopmentNew Idea Machine Inc. Is a small custom software development company in Calgary, Canada. Their services include Custom Software Development and Artificial Intelligence.
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$1,000+< $25 / hr2 - 9Lahore, Pakistan
Services provided
10% API Development15% DevOps Managed Services15% E-Commerce Development +9 services15% Web Development10% Social Media Marketing5% Application Management & Support5% Application Testing5% Custom Software Development5% Direct Marketing5% Mobile App Development5% Search Engine Optimization5% Wearable App DevelopmentDomain Name | Web Hosting | Nuwair Systems is a DevOps Managed Services company. In Lahore, Pakistan and Lahore, Pakistan, the firm provides DevOps Managed Services and E-Commerce Development.
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$1,000+< $25 / hr2 - 9
Services provided
10% API Development20% Web Development15% E-Commerce Development +7 services10% Low/No Code Development10% Mobile App Development10% Search Engine Optimization10% Web Design5% AI Consulting5% Generative AI5% Graphic DesignWeb design agency Lexacle Technologies is in Nairobi, Kenya. The team provides Web Design and Web Development.
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Undisclosed$50 - $99 / hr2 - 9Ioannina, Greece
Services provided
10% API Development45% Web Development25% E-Commerce Development +2 services10% Custom Software Development10% Web DesignInteractive Design is a small web development firm launched in 2001. Their team focuses on Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Budapest, Hungary
Services provided
10% API Development25% Web Development20% Mobile App Development +6 services15% E-Commerce Development14% Low/No Code Development5% Application Management & Support5% Application Testing5% UX/UI Design1% Web DesignHeadquartered in Budapest, Hungary, Webtic Online Kft. Is a website development company. They offer Web Development and Mobile App Development.
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$1,000+$100 - $149 / hr2 - 9Locust Grove, VA
Services provided
10% API Development40% E-Commerce Development40% Web Development +1 service10% Web DesignCamna, a website development firm, was launched in 2006. The team provides Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9
Services provided
10% API Development10% Other Design10% Print Design +12 services10% Web Design10% Web Development5% Content Marketing5% Conversion Optimization5% Email Marketing5% Graphic Design5% Other Digital Marketing5% Pay Per Click5% Search Engine Optimization5% Social Media Marketing5% Video Marketing5% Video ProductionWeb design company Qub Development is headquartered in Sugar Land, Texas. They offer Web Design and Print Design.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development10% Application Management & Support10% Application Testing +10 services10% Custom Software Development10% Mobile App Development10% Web Design10% Web Development5% AI Development5% Cybersecurity5% E-Commerce Development5% Graphic Design5% Logo5% UX/UI DesignAvanto is a small web design company established in 2006. Their team offers Web Design and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Vosloorus, South Africa
Services provided
10% API Development15% Custom Software Development15% Search Engine Optimization +5 services15% Social Media Marketing15% Web Design10% Email Marketing10% Graphic Design10% Pay Per ClickSocial media marketing firm TURNUP PIN was established in 2016. The agency offers Social Media Marketing and Search Engine Optimization, and is small.
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$1,000+$50 - $99 / hr2 - 9
Services provided
10% API Development20% Custom Software Development20% Mobile App Development +4 services20% Web Development10% E-Commerce Development10% Low/No Code Development10% Web DesignInterbits is a custom software development company. The team focuses on Custom Software Development and Web Development and is in Zapopan, Mexico.
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$25,000+$100 - $149 / hr2 - 9Ljubljana, Slovenia
Services provided
10% API Development15% Mobile App Development15% Other Application Development +8 services10% Computer Engineering10% Custom Software Development10% Digital Engineering10% Web Development5% ERP Consulting and SI5% IT Strategy Consulting5% Other IT Consulting and SI5% UX/UI DesignMinoa d.o.o. Is a mobile application development firm. Founded in 1994, the company is located in Ljubljana, Slovenia. Their team focuses on Mobile App Development and Other Application Development.
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$10,000+$50 - $99 / hr2 - 9
Services provided
10% API Development10% Application Testing10% BI & Big Data Consulting & SI +7 services10% CRM Consulting and SI10% Cloud Consulting & SI10% Custom Software Development10% DevOps Managed Services10% E-Commerce Development10% ERP Consulting and SI10% Web DevelopmentEstablished in 2022, Atreon is a small London, England-based big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.
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$5,000+$150 - $199 / hr2 - 9Vevey, Switzerland
Services provided
10% API Development20% Mobile App Development20% Web Development +5 services10% Graphic Design10% IT Strategy Consulting10% Search Engine Optimization10% UX/UI Design10% Web DesignFusengine, a website development firm, was founded in 2013. The small team offers Web Development and Mobile App Development.
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$1,000+$100 - $149 / hr2 - 9Schwarmstedt, Germany
Services provided
10% API Development25% Custom Software Development25% Web Development +4 services10% IoT Development10% Mobile App Development10% UX/UI Design10% Web DesignCodingStars GbR is a software development firm. In Schwarmstedt, Germany, the firm specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development10% Application Testing10% Custom Software Development +7 services10% Cybersecurity10% DevOps Managed Services10% E-Commerce Development10% Mobile App Development10% UX/UI Design10% Web Design10% Web DevelopmentPDBSoftware is a web design company founded in 2018. The firm provides Web Design and UX/UI Design, and is small.
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$25,000+Undisclosed2 - 9Stavanger, Norway
Services provided
10% API Development30% Custom Software Development25% Product Design +2 services20% IoT Development15% UX/UI DesignKOPERA, a custom software development firm, was established in 2016. The agency specializes in Custom Software Development and Product Design.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development20% E-Commerce Development20% IT Managed Services +3 services20% Web Design20% Web Development10% UX/UI DesignSL Web Creations, a web design agency, was founded in 2012. Located in Colombo, Sri Lanka, the team specializes in Web Design and IT managed services.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development10% AI Development10% Application Management & Support +7 services10% Application Testing10% CRM Consulting and SI10% Cloud Consulting & SI10% Custom Software Development10% Low/No Code Development10% Mobile App Development10% Web DevelopmentCloud Solutions, a cloud consulting & SI company, was founded in 2025. The team specializes in cloud consulting & SI and CRM consulting and SI and is in Meerut, India.
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Undisclosed< $25 / hr2 - 9Jaipur, India
Services provided
10% API Development45% Web Development20% E-Commerce Development +2 services15% UX/UI Design10% Mobile App DevelopmentLovee Technologies is a small web development company founded in 2014. Their services include Web Development and E-Commerce Development.
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$1,000+$25 - $49 / hr2 - 9Coimbra, Portugal
Services provided
10% API Development15% Mobile App Development15% UX/UI Design +5 services15% Web Design15% Web Development10% Custom Software Development10% E-Commerce Development10% Graphic DesignHYP is a web design company. Established in 2015, the firm is based in Coimbra, Portugal. Their team provides Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development40% Custom Software Development20% Web Development +4 services10% DevOps Managed Services10% Mobile App Development5% Application Testing5% E-Commerce DevelopmentXact Solutions, a custom software development company, is headquartered in Dhaka, Bangladesh. They specialize in Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hr2 - 9Los Angeles, CA
Services provided
10% API Development10% Advertising10% Custom Software Development +7 services10% DevOps Managed Services10% Direct Marketing10% Low/No Code Development10% Mobile App Development10% Search Engine Optimization10% Social Media Marketing10% Web DevelopmentPlexipi, an Advertising company, was launched in 2025. The company provides Advertising and Direct Marketing, and is small.
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Undisclosed$25 - $49 / hr2 - 9
Services provided
10% API Development25% Web Development20% E-Commerce Development +5 services10% Custom Software Development10% Low/No Code Development10% Mobile App Development10% Search Engine Optimization5% Graphic DesignIn Ahmedabad, India, Sanghvi Technosoft is a small web development firm. Their services include Web Development and E-Commerce Development.
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$5,000+$200 - $300 / hr2 - 9Steamboat Springs, CO
Services provided
10% API Development15% Custom Software Development15% IT Strategy Consulting +6 services10% AI Development10% E-Commerce Development10% Mobile App Development10% UX/UI Design10% Web Design10% Web DevelopmentMelsson Technology is an IT strategy consulting company. They were founded in 2006 and provide IT strategy consulting and Custom Software Development.
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UndisclosedUndisclosed2 - 9
Services provided
10% API Development10% AR/VR Development10% Application Management & Support +7 services10% Custom Software Development10% E-Commerce Development10% IoT Development10% Low/No Code Development10% Mobile App Development10% Wearable App Development10% Web DevelopmentJocapps GmbH is a custom software development firm. They offer Custom Software Development and Web Development and are located in Freiburg im Breisgau, Germany.
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$5,000+$200 - $300 / hr2 - 9
Services provided
10% API Development20% Generative AI20% Logistics & Supply Chain Consulting +3 services20% Supply Chain Management20% Warehousing & Distribution10% Robotics Process AutomationFounded in 2024, Logigreen Consulting, a small Generative AI company, is located in Paris, France. Their services include Generative AI and Logistics & Supply Chain Consulting.
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$10,000+$25 - $49 / hr2 - 9
Services provided
10% API Development30% AI Agents30% Custom Software Development +2 services20% Mobile App Development10% Microservices Architecture ServicesWebridge Co., a custom software development firm, was established in 2015. They offers Custom Software Development and AI Agents.
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$10,000+$100 - $149 / hr2 - 9
Services provided
10% API Development10% AI Agents10% AI Consulting +9 services10% AI Development10% AR/VR Development10% Custom Software Development10% Mobile App Development10% Web Development5% DevOps Managed Services5% E-Commerce Development5% Video Production5% Web DesignFounded in 2024, Storm Digital is a small custom software development company. 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.
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