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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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development10% AI Development10% Content Marketing +7 services10% E-Commerce Development10% Ecommerce Marketing10% Email Marketing10% Mobile & App Marketing10% Mobile App Development10% Social Media Marketing10% Web DevelopmentFounded in 2020, Aura Digital Marketing is an API Development company. Their services include API Development and Artificial Intelligence.
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$5,000+$50 - $99 / hr2 - 9Accra, Ghana
Services provided
10% API Development25% Product Design20% Custom Software Development +4 services15% Web Development10% Logo10% Mobile App Development10% UX/UI DesignBoughtSpot is an Accra, Ghana-based Product Design company. They focus on Product Design and Custom Software Development and were established in 2014.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development20% Other Application Development15% Web Development +8 services10% AI Agents10% E-Commerce Development10% Mobile App Development5% AI Development5% Application Management & Support5% Custom Software Development5% Enterprise App Modernization5% Generative AICleosync is a small Other Application Development company. Launched in 2025, the team specializes in Other Application Development and Web Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
10% API Development10% AI Development10% Custom Software Development +10 services10% E-Commerce Development10% Enterprise App Modernization10% Mobile App Development10% Web Development5% AI Agents5% AI Consulting5% Blockchain5% DevOps Managed Services5% Generative AI5% Low/No Code DevelopmentFounded in 2017, Inventico Solutions LTD is an API Development company. The small team specializes in API Development and Custom Software Development.
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Undisclosed< $25 / hr2 - 9
Services provided
10% API Development15% Custom Software Development15% E-Commerce Development +7 services15% Mobile App Development15% Web Development10% Low/No Code Development5% Application Management & Support5% DevOps Managed Services5% Enterprise App Modernization5% Microservices Architecture ServicesBinder Service is a software development firm founded in 2023. The firm provides Custom Software Development and E-Commerce Development.
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$1,000+< $25 / hr2 - 9
Services provided
10% API Development30% Affiliate Marketing30% Search Engine Optimization +3 services10% Advertising10% Digital Strategy10% Web DevelopmentJimniNomics Limited is an Affiliate Marketing company. Founded in 2025, the company is in Ikeja, Nigeria and Ibadan, Nigeria. Their services include Affiliate Marketing and Search Engine
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Undisclosed$25 - $49 / hr2 - 9
Services provided
10% API Development15% Custom Software Development15% Mobile App Development +6 services10% AI Development10% AR/VR Development10% Blockchain10% E-Commerce Development10% IoT Development10% Web DevelopmentEstablished in 2019, MagmaDev is a small software development company headquartered in Niš, Serbia. Their team focuses on Custom Software Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9
Services provided
10% API Development25% E-Commerce Development15% Ecommerce Marketing +5 services15% Web Development10% Branding10% Graphic Design10% Web Design5% UX/UI DesignShopitecture is an Amsterdam, Netherlands-based e-commerce development firm. The team offers E-Commerce Development and Ecommerce Marketing.
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Undisclosed< $25 / hrFreelancer
Services provided
14% API Development17% Web Development15% Custom Software Development +4 services14% UX/UI Design14% Web Design13% E-Commerce Development13% Graphic DesignOneWorldITSolution, a website development company, focus on Web Development and Custom Software Development. They were founded in 2023.
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UndisclosedUndisclosedFreelancerTel Aviv, Israel
Services provided
10% API Development20% Custom Software Development20% E-Commerce Development +4 services20% Web Development10% Digital Strategy10% Ecommerce Marketing10% Sales OutsourcingCondless is a small web development company headquartered in Tel Aviv, Israel. Their services include Web Development and Custom Software Development.
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$1,000+$25 - $49 / hrFreelancer
Services provided
10% API Development20% Web Development10% AI Consulting +6 services10% AI Development10% Custom Software Development10% E-Commerce Development10% Generative AI10% UX/UI Design10% Web DesignEstablished in 2017, RactStudio is a small web development company. Their services include Web Development and Web Design.
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$5,000+$50 - $99 / hrFreelancerSannicandro di Bari, Italy
Services provided
10% API Development15% Custom Software Development15% Web Development +6 services10% Application Management & Support10% E-Commerce Development10% IT Strategy Consulting10% Mobile App Development10% Other Application Development10% Web DesignEstablished in 2018, Swave Software is a small Sannicandro di Bari, Italy-based software development company. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancer
Services provided
10% API Development25% Custom Software Development25% DevOps Managed Services +3 services20% AI Agents10% Application Management & Support10% E-Commerce DevelopmentCustom PHP Design is a small Davenport, Florida-based software development firm. The team focuses on Custom Software Development and DevOps Managed Services.
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Undisclosed$25 - $49 / hrFreelancer
Services provided
10% API Development20% Custom Software Development20% Web Development +6 services15% Search Engine Optimization10% Low/No Code Development10% Microservices Architecture Services5% Cloud Consulting & SI5% IT Managed Services5% IT Strategy ConsultingEstablished in 2021, Nunewebs, a small custom software development firm, is in Stockholm, Sweden. Their team provides Custom Software Development and Web Development.
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$1,000+$100 - $149 / hrFreelancerZagreb, Croatia
Services provided
10% API Development35% Web Development25% E-Commerce Development +2 services20% Custom Software Development10% Search Engine OptimizationAutoinovacije d.o.o. Is a web development firm. The Zagreb, Croatia-based agency provides Web Development and E-Commerce Development.
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$5,000+$150 - $199 / hrFreelancer
Services provided
10% API Development20% Custom Software Development15% AI Development +5 services15% Web Development10% AI Agents10% Application Management & Support10% Enterprise App Modernization10% Search Engine OptimizationContinuum is a software development company in Rockville, Maryland. The team provides Custom Software Development and Artificial Intelligence.
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$5,000+$50 - $99 / hrFreelancerAjmer, India
Services provided
10% API Development20% Custom Software Development15% AI Agents +4 services15% Enterprise App Modernization15% Microservices Architecture Services15% Web Development10% AI DevelopmentSoftware development company Cimulink focuses on Custom Software Development and AI Agents. They were founded in 2025.
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$5,000+$100 - $149 / hrFreelancer
Services provided
10% API Development20% Custom Software Development20% Enterprise App Modernization +8 services10% AI Agents10% AI Development5% AI Consulting5% Generative AI5% Microservices Architecture Services5% Mobile App Development5% UX/UI Design5% Web DevelopmentDevGroup is a software development firm located in Wrocław, Poland. They specialize in Custom Software Development and Enterprise App Modernization and were established in 2009.
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$1,000+< $25 / hr10 - 49Tampa, FL
Services provided
12% API Development12% Back Office Outsourcing12% CRM Consulting and SI +6 services12% Sales Outsourcing12% Search Engine Optimization12% Social Media Marketing12% Web Development8% Custom Software Development8% Customer Service OutsourcingFounded in 2024, Advanced Business Modern Solutions is a social media marketing company. The small team focuses on Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr10 - 49
Services provided
12% API Development36% Custom Software Development27% Web Development +2 services15% UX/UI Design10% Mobile App DevelopmentRevlient intercontinental LLP is a software development firm. They are based in Kottayam, India and have small team of experts. Their services include Custom Software Development and Web
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$1,000+$25 - $49 / hr10 - 49Kuala Lumpur, Malaysia
Services provided
12% API Development40% Custom Software Development12% Application Management & Support +3 services12% E-Commerce Development12% Mobile App Development12% Web DevelopmentSmall software development firm SNYNET SDN BHD, is in Kuala Lumpur, Malaysia. Their services include Custom Software Development and API Development.
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$1,000+$25 - $49 / hrFreelancer
Services provided
20% API Development30% Mobile App Development20% Application Testing +2 services20% Custom Software Development10% Web DesignSee all 3 projectsCrexDev specializes in developing applications with a focus on API Development, including RESTful API Development. Clients highlight their ability to expand business capabilities effectively and appreciate their high ratings, budget-friendly pricing, and cultural fit. CrexDev's professional approach and successful project outcomes make them a reliable choice for companies seeking comprehensive application and API programming services.
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$1,000+$25 - $49 / hr50 - 249القاهرة, Egypt
Services provided
10% API Development15% Cloud Consulting & SI15% UX/UI Design +6 services10% CRM Consulting and SI10% Custom Software Development10% DevOps Managed Services10% E-Commerce Development10% Mobile App Development10% Web DevelopmentSee all 1 projectsMint-Ops is a leading DevOps and operation company that specializes in developing innovative solutions for businesses. Our team of dedicated professionals is committed to delivering high-quality
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$1,000+UndisclosedFreelancer
Services provided
20% API Development20% Cloud Consulting & SI20% IT Managed Services +2 services20% Market Research20% Web DevelopmentZScrape is a Market Research company. They were established in 2020, and their services include Market Research and cloud consulting & SI.
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$10,000+$50 - $99 / hr50 - 249Newark, DE
Services provided
10% API Development35% Custom Software Development25% AI Development +3 services10% AI Agents10% Mobile App Development10% Web DevelopmentIntrinsic Tech is a software development firm. In Newark, Delaware, the agency offers Custom Software Development and Artificial Intelligence.
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Undisclosed$50 - $99 / hrFreelancer
Services provided
20% API Development20% Custom Software Development20% DevOps Managed Services +2 services20% E-Commerce Development20% Web DevelopmentCustom software development firm Ritesh was launched in 2019. The company provides Custom Software Development and Web Development, and is small.
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$10,000+$25 - $49 / hr50 - 249Toulouse, France
Services provided
10% API Development10% Custom Software Development10% Digital Engineering +7 services10% E-Commerce Development10% IoT Development10% Microservices Architecture Services10% Mobile App Development10% Wearable App Development10% Web Design10% Web DevelopmentNehos Groupe, a web design company, was established in 2015. Located in Toulouse, France and Talence, France, the team focuses on Web Design and Custom Software Development.
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Undisclosed< $25 / hr50 - 249Tel Aviv-Yafo, Israel
Services provided
10% API Development30% Web Development20% Custom Software Development +4 services10% AI Consulting10% DevOps Managed Services10% Low/No Code Development10% Microservices Architecture ServicesWebeet.io is a custom software development company headquartered in Amsterdam, Netherlands and Tel Aviv-Yafo, Israel. They offer Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr50 - 249
Services provided
10% API Development15% Custom Software Development15% Mobile App Development +8 services10% E-Commerce Development10% Other Application Development10% UX/UI Design10% Web Development5% Application Management & Support5% Enterprise App Modernization5% Generative AI5% Web DesignXprin Technology is a software development firm. Located in Kathmandu, Nepal, the agency was launched in 2021. Their team specializes in Custom Software Development and Mobile App Development.
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Undisclosed$50 - $99 / hr50 - 249München, Germany
Services provided
10% API Development30% Custom Software Development15% IT Staff Augmentation +4 services15% IT Strategy Consulting10% Microservices Architecture Services10% Mobile App Development10% Web DevelopmentEstablished in 2023, digitalforce GmbH is a software development firm. Their services include Custom Software Development and IT strategy consulting.
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Undisclosed$25 - $49 / hr50 - 249Westerville, OH
Services provided
10% API Development10% AI Development10% Application Testing +7 services10% Blockchain10% Cloud Consulting & SI10% Custom Software Development10% IT Staff Augmentation10% IoT Development10% Robotics Process Automation10% Web DevelopmentCloud consulting & SI company URU Systems was established in 2023. The firm provides cloud consulting & SI and IT staff augmentation.
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$10,000+< $25 / hr50 - 249Union City, CA
Services provided
10% API Development15% Custom Software Development15% Mobile App Development +6 services15% Web Development10% Cloud Consulting & SI10% DevOps Managed Services10% IT Staff Augmentation10% Microservices Architecture Services5% Generative AICloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.
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$1,000+< $25 / hr50 - 249
Services provided
10% API Development15% Mobile App Development15% Web Development +6 services10% AI Development10% Application Testing10% Cloud Consulting & SI10% E-Commerce Development10% ERP Consulting and SI10% IT Strategy ConsultingTrunk Solution, a web development company, was founded in 2023. The midsize team specializes in Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249Gent, Belgium
Services provided
10% API Development10% AI Development10% Custom Software Development +7 services10% DevOps Managed Services10% IT Managed Services10% IoT Development10% Mobile App Development10% Robotics Process Automation10% Web Design10% Web DevelopmentSumarosoft is a Gent, Belgium-based web design company. Established in 2012, the team specializes in Web Design and IT managed services.
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Undisclosed< $25 / hr50 - 249
Services provided
10% API Development10% Branding10% E-Commerce Development +12 services10% Graphic Design10% Mobile App Development10% Web Design10% Web Development5% Content Marketing5% Pay Per Click5% Search Engine Optimization5% Social Media Marketing4% Custom Software Development2% Logo2% UX/UI Design2% Video ProductionByterix Tech is a branding company. The team is located in Evesham, New Jersey, and their services include Branding and Web Design.
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$50,000+< $25 / hr50 - 249Allen, TX
Services provided
10% API Development15% Custom Software Development15% IT Strategy Consulting +5 services15% Mobile App Development15% Web Development10% BI & Big Data Consulting & SI10% Back Office Outsourcing10% Cloud Consulting & SIIT strategy consulting company Reali Solutions focuses on IT strategy consulting and Custom Software Development. They were founded in 2018.
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$10,000+$50 - $99 / hr50 - 249
Services provided
10% API Development10% AI Development10% AR/VR Development +7 services10% Application Testing10% Custom Software Development10% DevOps Managed Services10% E-Commerce Development10% IT Staff Augmentation10% Mobile App Development10% Web DevelopmentJDOT IT SP. Z O.O. Is a midsize IT staff augmentation company based in Warszawa, Poland. Their services include IT staff augmentation and Custom Software Development.
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$1,000+< $25 / hrFreelancer
Services provided
20% API Development40% Mobile App Development20% Web Development +2 services10% UX/UI Design10% Web DesignLaunched in 2023, Sameer Shoukat is a mobile app development company. The small team provides Mobile App Development and Web Development.
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Undisclosed$50 - $99 / hrFreelancer
Services provided
20% API Development20% Custom Software Development20% E-Commerce Development +2 services20% Enterprise App Modernization20% Web DevelopmentGood Name is a small Cape Town, South Africa-based custom software development firm. Their services include Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr50 - 249Caniçal, Portugal
Services provided
10% API Development25% Custom Software Development20% E-Commerce Development +7 services10% UX/UI Design10% Web Development5% Application Management & Support5% Application Testing5% Generative AI5% Mobile App Development5% Web DesignMalogica Software, a midsize custom software development company, is headquartered in Caniçal, Portugal. The team focuses on Custom Software Development and E-Commerce Development.
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$1,000+$50 - $99 / hrFreelancerMalmö, Sweden
Services provided
20% API Development30% Web Development20% Custom Software Development +2 services20% Mobile App Development10% Low/No Code DevelopmentGustavsson Development, a small custom software development firm, is based in Malmö, Sweden. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr50 - 249Frimley, England
Services provided
10% API Development55% HR Consulting25% Business Consulting +1 service10% IT Strategy ConsultingEstablished in 2015, Phrism Solutions is a HR Consulting company. Their team focuses on HR Consulting and Business Consulting.
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Undisclosed$25 - $49 / hrFreelancerBucurești, Romania
Services provided
20% API Development20% Custom Software Development20% E-Commerce Development +2 services20% Search Engine Optimization20% Web DevelopmentPlugWare, a small SEO services firm, is in București, Romania. The team provides Search Engine Optimization and Custom Software Development.
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$10,000+UndisclosedFreelancerIzmir, Türkiye
Services provided
20% API Development20% Custom Software Development20% E-Commerce Development +2 services20% Mobile App Development20% Web DevelopmentProfabric Tech is a software development firm. Their small team of employees is in Izmir, Türkiye. Their team offers Custom Software Development and Web Development.
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Undisclosed< $25 / hrFreelancerAhmedabad, India
Services provided
20% API Development20% AI Development20% Mobile App Development +2 services20% UX/UI Design20% Web DevelopmentNikunjM Mobile app and AI Solutions, an user experience company, focuses on UX/UI Design and Web Development. The agency is headquartered in Ahmedabad, India.
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UndisclosedUndisclosed50 - 249
Services provided
10% API Development10% AI Consulting10% AI Development +7 services10% Blockchain10% Custom Software Development10% Generative AI10% IoT Development10% Microservices Architecture Services10% Robotics Process Automation10% Web DevelopmentCustom software development company tevenix is based in Miami, Florida. Founded in 2024, the team focuses on Custom Software Development and Web Development.
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$1,000+$25 - $49 / hrFreelancer
Services provided
20% API Development20% Custom Software Development20% E-Commerce Development +2 services20% UX/UI Design20% Web DevelopmentUX design agency Mekina Solutions was established in 2024. The firm offers UX/UI Design and Custom Software Development, and is small.
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$5,000+$50 - $99 / hrFreelancerAlicante (Alacant), Spain
Services provided
20% API Development20% Application Testing20% Custom Software Development +2 services20% Enterprise App Modernization20% Web DevelopmentB Startups is a small software development company. They provide Custom Software Development and Web Development and were established in 2015.
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$5,000+$25 - $49 / hr50 - 249
Services provided
10% API Development25% Custom Software Development15% Web Development +5 services10% AI Development10% Application Management & Support10% DevOps Managed Services10% Microservices Architecture Services10% Robotics Process AutomationWASTUA, a software development company, is headquartered in Dublin 2, Ireland and Nairobi, Kenya. They provide Custom Software Development and Web Development.
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$1,000+$50 - $99 / hrFreelancer
Services provided
20% API Development20% Branding20% CRM Consulting and SI +3 services20% Video Production10% Low/No Code Development10% Web DevelopmentHitKay Solutions is a branding company. Launched in 2024, the company is based in Vadodara, India. Their services include Branding and Video Production.
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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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