Top API Developers
APIs are the connective tissue of modern software — they let your applications talk to payment processors, third-party data sources, mobile clients, and internal microservices. When that integration breaks or scales poorly, the downstream impact is immediate.
API developers on Clutch are vetted through verified client reviews and detailed project histories, giving you a reliable basis for comparison before you hire. These firms handle the full range of API work: RESTful API design and development, GraphQL implementations, API security and authentication, third-party integrations, and legacy system connectivity. Browse software testing companies to vet your API layer after build, or explore the full API developers directory for detailed firm profiles and pricing.
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$10,000+$25 - $49 / hr50 - 249
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See all 6 projectsEnkaytech, a technology solutions provider, specializes in automation and integration services, particularly for logistics operations. The company received overwhelmingly positive feedback, with clients praising their efficient integration of automation and seamless project management. Notably, 100% of reviewers highlighted their ability to deliver timely and impactful solutions with minimal disruption.
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$25,000+$25 - $49 / hr10 - 49Chicago, IL
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See all 9 projectsTwinCore is a notable software and digital product development company, excelling in API Development Services and API Integration, particularly within .NET and NopCommerce frameworks. Their reviews highlight high technical expertise, flexibility, and agile project management. An impressive 100% of reviewers praise their ability to deliver complex, scalable solutions on tight deadlines, indicating strong customer satisfaction and successful project outcomes.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 6 projectsEonixTech Solutions is a versatile software development company known for delivering tailored solutions across web, ecommerce, and database management. Reviews highlight their reliability, professionalism, and technical expertise, with around 100% positive feedback. Approximately 75% of reviewers commend their communication and responsiveness, underscoring their commitment to client satisfaction and adaptability in meeting diverse business needs.
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$1,000+< $25 / hr2 - 9
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See all 2 projectsWait What Interactive is a game development company specializing in creating games using Unity and integrating necessary SDKs. Reviews indicate a high level of satisfaction, with 100% of reviewers praising their on-time delivery and effective communication. Clients also appreciate their attention to detail, though some suggest expanding their team for parallel project handling.
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$5,000+< $25 / hr10 - 49Sheridan, WY
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See all 9 projectsTekInvent is a software development company specializing in creating custom mobile applications for diverse sectors, including healthcare, real estate, and consulting. Feedback indicates a 100% satisfaction rate across all reviews, with clients praising their ability to deliver secure, user-friendly apps that enhance organizational productivity. Over 75% of reviewers mentioned standout project management and timely delivery, though a few suggested enhancements in post-launch support and training.
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$1,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 3 projectsQServices IT Solutions Inc. is a .NET software development company known for their expertise and innovative solutions that enhance client competitiveness, as demonstrated by a 35% increase in online sales for one client. With 95% positive feedback, clients praise their project management, responsiveness, and technical proficiency, though some suggest improvements in documentation and post-launch support.
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$1,000+$25 - $49 / hr10 - 49Surat, India
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See all 3 projectsHVG Infotech Private Limited is a company specializing in API Development Services and web service development. Reviews highlight their professionalism and efficiency, with clients noting successful project completions on time and within budget. An impressive 100% of reviewers emphasized their excellent project management and responsiveness to client needs.
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$10,000+$50 - $99 / hr10 - 49Toronto, Canada
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See all 3 projectsCoaldev is a company specializing in API Development Services, known for delivering solutions that integrate seamlessly with existing systems. The reviews highlight a 100% positive feedback rate, with clients praising their ability to understand and align with company visions while delivering projects on time and providing excellent support.
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$5,000+$50 - $99 / hr2 - 9
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See all 2 projectsPulsev is an API Development company specializing in API integration and e-commerce software solutions, with a strong focus on Shopify. All reviewers highlight the company's impressive expertise in Shopify integrations and seamless project management, contributing to a 100% positive feedback rate. Their dedication to client needs and efficient communication are frequently praised.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 7 projectsTechno Infonet is a versatile IT services provider specializing in web development, app development, and digital marketing. The company consistently receives outstanding feedback, with approximately 100% of reviewers praising their quality-driven deliverables and timely project execution. Clients notably appreciate their professional project management and exceptional responsiveness, indicating that Techno Infonet is a reliable partner for both small and large-scale projects.
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$5,000+$150 - $199 / hr10 - 49Klagenfurt am Wörthersee, Austria
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See all 4 projectsdMorpheus is a web development company renowned for creating dynamic, regionally-focused websites and comprehensive digital solutions. Reviews highlight their technical expertise and professionalism, with 100% of clients acknowledging timely project delivery. However, 33% of reviewers noted increased costs due to scope changes, suggesting the importance of having a clear project scope from the outset.
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$5,000+$150 - $199 / hr10 - 49Salt Lake City, UT
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See all 12 projectsKsense Technology Group LLC is a versatile IT solutions provider specializing in API Development Services, offering custom solutions like Web Service Development and API Integration. Across reviews, clients commend their exemplary project management, effective communication, and ability to deliver tailored solutions, with 100% positive feedback emphasizing their responsiveness and understanding of business needs.
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$5,000+$50 - $99 / hr10 - 49
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See all 12 projectsRefactor Plus is a distinguished API Development company known for delivering tailored API solutions and web service development. With a 100% positive feedback rate, clients commend their technical expertise and strategic insights, highlighting their punctuality and proactive project management. Approximately 80% of reviewers emphasize their exceptional value for cost and alignment with company values.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsGamebole is a game development company specializing in creating immersive web-based training experiences using platforms like PlayCanvas. The feedback indicates strong performance, with 95% user satisfaction and commendable project management. Reviewers consistently highlight their professionalism, approachability, and dedication, with no noted areas for improvement.
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$10,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 9 projectsComfygen Technologies is a versatile software development company specializing in mobile apps, blockchain, AI integration, and web development. Feedback highlights their technical expertise, responsive project management, and ability to meet deadlines, with 100% of reviews noting their professionalism and 75% praising their alignment with client needs and values. The company consistently exceeds expectations, delivering quality solutions across various industries.
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$10,000+$25 - $49 / hr2 - 9
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See all 2 projectsBits Nexus is a software development company specializing in creating and deploying complex applications with robust infrastructure to support multiple users. They receive overwhelmingly positive feedback, with clients praising their proactive improvements, timely delivery, and knowledgeable leadership. Approximately 100% of the reviewers highlight their effective project management and the high quality of their deliverables, making them a reliable partner for technology-driven projects.
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$1,000+Undisclosed10 - 49Toronto, Canada
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See all 1 projectsProteus Development is an IT management company specializing in comprehensive IT solutions, including network management, software licensing, and security systems. The reviews reflect a 100% positive sentiment, emphasizing their accountability, dependability, and knowledge. Clients appreciate their responsiveness and alignment with company values, contributing to rapid business growth and efficiently meeting project deadlines.
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$1,000+< $25 / hr2 - 9Jodhpur, India
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See all 1 projectsOrbital Innovation is a web and mobile app development company known for delivering innovative solutions. Reviews highlight their expertise in design, scalability, and content management, resulting in enhanced web traffic and flawless user experiences. With a 100% positive feedback rate, clients commend their proactive approach and effective communication throughout projects.
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$5,000+$25 - $49 / hr50 - 249Chicago, IL
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See all 3 projectsStudioKrew is a versatile software development company specializing in product development, ERP systems, CRM solutions, and app development for both iOS and Android platforms. With overwhelmingly positive feedback, clients commend their technical flexibility, marketing prowess, and effective communication, with over 90% expressing satisfaction. However, minor improvements in time management have been suggested by 33% of reviewers.
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$1,000+$25 - $49 / hr50 - 249Yehud-Monosson, Israel
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See all 9 projectsBles Software is a specialized API Development company proficient in creating robust APIs and seamless system integrations. With a 100% positive feedback rate, clients commend their project management, prompt delivery, and deep understanding of complex systems. Approximately 50% of reviewers highlight their ability to translate intricate requirements into effective API solutions.
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$10,000+$50 - $99 / hr10 - 49Banja Luka, Bosnia and Herzegovina
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See all 1 projectsInvenit Solutions is a company specializing in API Development Services, particularly within the healthcare sector. Feedback from their reviews is overwhelmingly positive, with 100% of reviewers highlighting their professionalism, flexibility, and adherence to deadlines. Clients appreciate their ability to deliver quality solutions efficiently, emphasizing their strong teamwork and alignment with client values.
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$1,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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See all 14 projectsElite Dev Squad LLC is a versatile development company specializing in website design, SaaS product development, and system integration. Garnering nearly unanimous positive feedback, their commitment to delivering cost-effective and innovative solutions stands out. Reviewers frequently highlight their responsive communication, project management skills, and ability to exceed expectations, with over 80% praising their technical expertise and customer service.
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$1,000+$25 - $49 / hr10 - 49
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See all 7 projectsBitMindLabs is a web service development company specializing in API Development Services. They garnered positive feedback for their proactive project management and commitment to client satisfaction, with over 100% of reviewers highlighting their responsiveness and problem-solving skills. Clients appreciate their dedication to quality, with no areas for improvement noted.
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$5,000+$25 - $49 / hrFreelancerPraha, Czech Republic
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See all 3 projectsVitalii Zdanovskyi | Digital Cossack is a proficient API Development company with a focus on delivering comprehensive end-to-end production-ready systems. They excel in integrating complex third-party services and maintaining high standards of code quality and architectural integrity. With 100% positive feedback, their attention to detail and ability to adapt to evolving requirements are highly praised.
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$1,000+$100 - $149 / hr2 - 9Durango, CO
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See all 1 projectsEdges First, LLC is a web design company recognized for its ability to create functional and visually appealing websites. The firm demonstrates strong alignment with client values and the flexibility to adapt to changing project needs. Positive feedback is overwhelmingly prevalent, with 100% of reviewers noting their responsive communication and impressive ability to interpret and execute client desires effectively.
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$5,000+< $25 / hr10 - 49Chennai, India
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See all 4 projectsFronseye Technologies is a dynamic digital development company specializing in creating accessible web and platform solutions tailored to specific client needs. They received overwhelmingly positive feedback, with 100% praise for their commitment, attention to detail, and effective project management. Clients highlighted their ability to seamlessly integrate technical expertise with user-focused design, significantly contributing to their projects' success.
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$10,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 3 projectsPrimeFin Labs | Fintech Software Development excels in API Development Services, particularly in the fintech domain, delivering scalable, white-label payment gateway platforms. An impressive 90% of reviews highlight their deep fintech expertise and proactive communication. While reviewers praise their technical strength and timely delivery, 10% suggest improvements in early-stage technical documentation.
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$50,000+$50 - $99 / hr2 - 9Calgary, Canada
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See all 3 projectsAlgo Clan Inc. is an API Development company excelling in providing API Integration and RESTful API Development solutions. Reviews highlight their strong project management skills and commitment to meeting deadlines, with 100% of feedback noting their excellent communication and adaptability. Approximately 90% of reviewers commend their culture and team ownership, though some mention the need for more client onboarding support when using advanced technologies.
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$10,000+< $25 / hr50 - 249Porto, Portugal
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See all 4 projectsWatermelon Tecnologia is a versatile technology firm offering services in SEO optimization, software development, and IT staffing. Clients praise their project management and ability to align SEO strategies with business goals, with 75% appreciating their innovative and strategic solutions. While minor suggestions for improvement exist, 100% of feedback highlights their effective communication and on-time delivery.
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$25,000+$50 - $99 / hr10 - 49Beograd, Serbia
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See all 1 projectsSafeberry is a business intelligence consultancy that specializes in creating automated reporting suites tailored to client needs, particularly in the hospitality sector. The feedback is overwhelmingly positive, with clients highlighting their technological expertise and professionalism. Approximately 100% of reviewers commend Safeberry's ability to deliver projects on time and adapt solutions to complex requirements, indicating a high level of client satisfaction.
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$10,000+$100 - $149 / hr2 - 9Tucker, GA
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See all 1 projectsMasterwork Technologies is a software development company specializing in web-based applications. According to reviews, 100% of clients highlight the exceptional ease of communication and collaboration, and they note significant improvements in efficiency and user satisfaction. The company consistently meets deadlines, with no areas reported for improvement, indicating a high level of professionalism and reliability.
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$10,000+$25 - $49 / hr10 - 49
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See all 5 projectsArmara, an API Development company, excels in delivering API solutions and integration services. Review feedback highlights their effective project management, resulting in increased user engagement and high user retention rates. Impressively, 100% of reviewers cite their seamless operations and positive team dynamics as key contributors to project success, with no reported issues.
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$10,000+$150 - $199 / hr2 - 9Pasadena, CA
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See all 2 projectsGeekOffice is a versatile IT development company offering services such as app development, web portals, and IT strategy. Reviews highlight their exceptional flexibility, expertise, and alignment with client needs. With consistently positive feedback, clients praise their ability to go the extra mile, achieving project goals and exceeding expectations, with no areas for improvement noted.
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$5,000+$50 - $99 / hr50 - 249Birmingham, England
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See all 17 projectsFicode Technologies Limited is a versatile software development company offering services in mobile app development, web development, and IoT solutions. Across numerous reviews, they are praised for their technical expertise, timely delivery, and excellent communication. Approximately 80% of reviewers highlighted their strong customer support, with several emphasizing their cost-effective pricing and collaborative approach as key differentiators.
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$10,000+< $25 / hr10 - 49Bhubaneswar, India
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See all 3 projectsQwegle Technologies is an API Development company specializing in designing system microservices architecture and building APIs. Their services received 100% positive feedback, with clients praising their responsiveness and accountability. They are recognized for delivering projects on time and providing good value for cost.
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$5,000+$25 - $49 / hr50 - 249
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See all 10 projectsSynsoft Global is an IT services company specializing in API Development Services, including API Integration and RESTful API Development, for mobile applications. Reviews highlight their cost-effective solutions and responsive team, with 100% of reviewers noting their excellent value for cost, although some mention challenges with time zone differences.
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$1,000+< $25 / hr10 - 49
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See all 9 projectsTekNexuss is a development company specializing in API Development Services and custom software solutions. Their clients, including MaamSambaTrading and Stay Inboxed, praised their professional project management, timely delivery, and deep business understanding. Approximately 90% of reviews highlight their technical expertise and problem-solving approach, while a few suggest enhanced training material and UX/UI design support for future projects.
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$10,000+$25 - $49 / hr50 - 249Cairo, Egypt
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See all 2 projectsMedSoft is a technology solutions provider specializing in automation and software development. The company has received positive feedback for its ability to deliver projects on time, with 100% of reviewers highlighting their understanding of business needs and effective project management. However, 50% of clients noted communication or documentation as areas for improvement.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 4 projectsAppsTechy Private Limited is a proficient API Development Company excelling in Application Programming Interface Development and API Integration. They are noted for their professionalism, timely project delivery, and effective communication, with 100% of reviewers appreciating their ability to meet deadlines and deliver high-quality solutions. Though some mention a desire for quicker estimates, the commitment to providing accurate assessments is acknowledged.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsLytvynov Production is a company specializing in API Development Services, including API integrations and web service development. Their reviews highlight a 100% positive feedback rate, emphasizing their excellent work culture and ability to meet business needs with timely delivery. Notably, they improved data accuracy by 95% and increased customer interactions by 40%.
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$10,000+$50 - $99 / hr2 - 9Poznań, Poland
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See all 1 projectsILUXA WEB is a web development company specializing in custom platform design and development. Feedback indicates a 100% positive response, highlighting their technical skills, responsiveness, and tailored solutions without shortcuts. Clients have experienced improved processing speed and usability, demonstrating ILUXA WEB’s strong project management and alignment with client needs.
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UndisclosedUndisclosed50 - 249
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See all 64 projectsKeshav Infotech is a versatile application development company specializing in API Development Services, including RESTful API Development and integration. The company has received predominantly positive feedback, with approximately 80% of clients praising their development capabilities and cost-effectiveness. Common themes in their reviews highlight their professionalism, impressive project management, and quick responsiveness, although a few clients noted room for improvement in delivery timelines.
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$10,000+$25 - $49 / hr250 - 999Pune, India
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See all 5 projectsPratiti Technologies is a software development company specializing in custom web applications, IoT solutions, and smart home products. Reviews highlight their responsiveness, technical expertise, and alignment with client values, with 100% positive feedback emphasizing their strong project management and ability to integrate seamlessly with clients' teams. Approximately 75% of reviews praise their willingness to tackle complex challenges and deliver innovative solutions.
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$1,000+$25 - $49 / hr2 - 9Istanbul, Türkiye
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See all 1 projectsSolviba is a web development company that specializes in e-commerce solutions, offering services such as website development, payment integration, SEO, and performance optimization. Reviewers highlight their effective project management and responsiveness, with 100% of feedback indicating satisfaction with their communication and technical expertise. Overall, clients report significant improvements in sales and user engagement.
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$1,000+$25 - $49 / hr10 - 49Indore, India
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See all 23 projectsExpressTech Software Solutions is a versatile company specializing in API Development Services and related solutions. With a 100% positive feedback rate, reviewers commend their technical expertise, proactive communication, and client-centric approach. The company's ability to meet project timelines and adapt to client needs is consistently highlighted as impressive.
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$5,000+$150 - $199 / hr10 - 49
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See all 2 projectsStreamline Agency is a consultancy specializing in AI integration and workflow automation. Their reviews are overwhelmingly positive, highlighting their innovative and professional approach, with 100% of reviewers praising their timely delivery and efficiency. Clients appreciate their ability to enhance internal operations and create tailored automation solutions that save time and improve processes.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsE-GROWTH.GR is an e-commerce solutions provider specializing in enhancing online retail experiences through technical support, website optimization, and user experience improvements. Reviews indicate a 100% positive feedback rate, emphasizing their strong technical knowledge, timely project delivery, and effective solutions. Clients praise their ability to understand business needs and deliver practical results.
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$10,000+$50 - $99 / hr10 - 49Gent, Belgium
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See all 1 projectsCyrex Enterprise specializes in custom web application development, offering services in frontend, backend, API, and DevOps. Feedback reflects a 100% positive sentiment, emphasizing their flexibility, professional project management, and strong company culture. Notably, 100% of reviewers highlighted their successful recruitment and resource integration efforts.
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$10,000+$25 - $49 / hr10 - 49Skopje, North Macedonia
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See all 2 projectsStellar Development is a design-focused company specializing in UI/UX, web design, and graphic design services. They receive overwhelmingly positive feedback, with 100% of reviewers highlighting their timely delivery, effective communication, and high-quality work. Clients particularly appreciate their swift iterations and creative solutions, demonstrating both creativity and technical expertise.
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$5,000+$50 - $99 / hr2 - 9Ploiești, Romania
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See all 4 projectsPixelMakers is a web development and design agency known for its meticulous attention to detail and strong communication skills. They have received overwhelmingly positive feedback, with clients praising their ability to provide inspiration, ideas, and guidance. Approximately 100% of reviewers highlighted their professional approach and commitment to client needs, resulting in significant improvements to user experience and an influx of new leads.
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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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.7/40.019/20 Reviews10/10 Clients & Experience4.7/10 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 / 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.