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+$50 - $99 / hr2 - 9Gurugram, India
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See all 1 projectsFlux8Labs is a web development and SEO company known for its creative sensitivity and professional project management. Reviews highlight a 100% positive experience, emphasizing their ability to translate emotional depth into digital platforms. Clients appreciate their responsiveness and emotional intelligence, with 100% noting increased inquiries and professional presence post-launch. Improvements could be made in providing post-launch resources for non-technical users.
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$10,000+$50 - $99 / hr10 - 49Burnley, England
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See all 1 projectsTopFlight Digital is a digital solutions company specializing in product development and software applications. The reviews highlight 100% positive feedback, emphasizing their excellent project management, timely delivery, and communication skills. Clients appreciate their cultural alignment and commitment to excellence, resulting in successful project outcomes and increased user engagement.
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$1,000+< $25 / hr10 - 49Indore, India
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See all 3 projectsSprintale Technologies is an API Development company specializing in API Integration and web service development. Reviews highlight their timely delivery of services, with 100% of reviewers noting on-schedule completion and satisfaction with communication. Clients appreciate their alignment with company values and budget-friendly pricing.
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$1,000+< $25 / hr10 - 49Islamabad, Pakistan
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See all 3 projectsPoshmaal Technologies is a proficient company specializing in API Development Services, particularly in creating custom solutions for IoT platforms. With 100% positive feedback, clients particularly commend the firm's speed, professionalism, and ability to deliver solutions on time, aligning with their business values and budget.
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$5,000+$100 - $149 / hrFreelancer
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See all 1 projectsGiant Nerd Automations is a company specializing in API Development Services, including API Integration and automation solutions. They are highly praised, with 100% of reviewers highlighting their professionalism, responsiveness, and effective communication. Clients commend their ability to deliver projects on time and meet every milestone successfully, making them a trusted partner in application programming interface development.
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$25,000+$50 - $99 / hr2 - 9Neuville-en-Ferrain, France
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See all 2 projectsAtelier256 is an API Development company that offers comprehensive API programming and integration services. With 100% positive feedback, clients commend the company for its effective project management, timely delivery, and high user satisfaction, achieving a rating of 4.7 out of 5. The company excels in database performance and operational efficiency, enhancing user engagement and ensuring data security.
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UndisclosedUndisclosed2 - 9Bakı, Azerbaijan
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See all 1 projectsEXCLAMATION is a web development company that specializes in creating bilingual corporate websites, offering services from visual design to technical setup. Their clients laud their structured project management and tailored approach, with 100% of reviewers appreciating their industry-specific design considerations and technical execution. Feedback highlights their responsiveness and effective communication throughout the project lifecycle.
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$1,000+$50 - $99 / hr2 - 9
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See all 3 projectsMarkoverse Labs is a professional service company specializing in API Development Services and API Integration, particularly excelling in web service development for platforms like HubSpot and QuickBooks. Reviews highlight their impressive technical expertise and efficient project management, with 100% of reviewers noting their rapid delivery and deep knowledge of complex integrations. No significant areas for improvement were identified, further showcasing their proficiency.
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$1,000+$25 - $49 / hr10 - 49Noida, India
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See all 2 projectsDelphin Technologies is a web development company that excels in bringing client visions to life with precision and creativity. They have received consistently positive feedback, with project outcomes praised for high-quality execution and timely delivery. Notably, 100% of reviewers highlight the team's skill and professionalism.
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$5,000+$25 - $49 / hr10 - 49Puchong, Malaysia
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See all 1 projectsNetDB Services is an ICT services provider specializing in website maintenance and updates. The overall feedback is positive, with 100% of reviewers praising their customer-focused approach and enterprising spirit. Clients appreciate their timely delivery and proactive attitude, although there is a suggestion for them to seek even more opportunities for improvement.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsCadenflow is a customer service AI automation company known for its personalized approach and transparency. With 100% of reviewers highlighting their direct communication with the founder, Cadenflow stands out for its honesty about AI performance metrics and cost-effective solutions. The company emphasizes a staged implementation strategy and prioritizes accuracy and safety, ensuring human oversight for sensitive cases.
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$1,000+$25 - $49 / hr2 - 9New York, NY
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See all 3 projectsArius Automation is an API Development company specializing in API Integration and RESTful API Development services. Reviews highlight their speed, effectiveness, and flexibility, with 100% positive feedback on delivering projects on time and exceeding expectations. Notably, 100% of reviewers praised the accuracy and completeness of their API solutions.
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$5,000+Undisclosed2 - 9Dreieich, Germany
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See all 1 projectsadimpact AI Development & Automation Agency is a specialized firm offering AI-driven CRM solutions and automation services. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their speed, efficiency, and transparency. Clients commend their project management, consistent communication, and bespoke solutions that effectively address operational challenges, transforming how businesses operate.
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$10,000+$150 - $199 / hr2 - 9
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See all 1 projectsVayner Systems is a software development company specializing in SaaS solutions for B2B enterprises, particularly in voice-of-customer and project risk management domains. The majority of feedback is overwhelmingly positive, with 100% satisfaction expressed in their timely delivery and innovative solutions, as evidenced by 15 years of continuous collaboration and endorsement from Fortune 500 clients.
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$1,000+$25 - $49 / hr2 - 9Pitești, Romania
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See all 1 projectsXPSoft — X-Treme Promotion is a software development company specializing in creating custom platforms for sports management. Their work is noted for its tailored approach, with 100% of reviewers highlighting their understanding of client needs and attention to detail. Feedback indicates a high level of satisfaction with their project management and communication skills.
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$25,000+$50 - $99 / hr10 - 49Best, Netherlands
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See all 2 projectsLobiCode B.V. is a software development company specializing in creating, developing, and maintaining advanced digital solutions, including centralized administrative systems and customer-oriented apps. With exceptional project management and a proactive, collaborative approach, 100% of reviewers commend their effectiveness in achieving goals and providing high-quality service. LobiCode's dedication to customer satisfaction is evident, with zero downtime reported and consistent delivery on time.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 1 projectsHORIZAM is a digital development company specializing in creating AI-powered food ordering platforms, including responsive websites and mobile applications. The company consistently receives positive feedback, with clients praising their excellent project management, timely delivery, and innovative feature implementation. Notably, 100% of reviews highlight HORIZAM's ability to enhance user engagement and streamline operational processes.
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$10,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 1 projectsKirrhosoft was founded by Farhan Sajjad, a veteran software engineer with decades of experience architecting systems for international markets. He noticed a recurring industry-wide challenge: the
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$25,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 8 projectsabz.agency® is a versatile web development and design company with expertise in creating tailored digital solutions, including websites, web applications, and e-commerce platforms. Across various projects, clients commend their strong project management skills, responsive communication, and thorough attention to detail. Notably, 80% of reviews highlight their ability to deliver high-quality, bug-free products, while 60% express appreciation for their structured process and professionalism. Some clients, however, suggest improvements in language proficiency and pricing strategies.
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$10,000+$25 - $49 / hr50 - 249Dubai, United Arab Emirates
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See all 3 projectsEmisoft Systems is a proficient API Development company specializing in creating API solutions for data visualization in BI platforms. Reviewers consistently praised their ability to deliver high-quality services promptly, with 100% positive feedback highlighting their professional team capable of addressing complex tasks. Emisoft Systems' alignment with client values and budget further enhances their appeal.
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$10,000+$25 - $49 / hr10 - 49Katy, TX
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See all 2 projectsSTA Soft is a proficient software development company specializing in backend and frontend development, system architecture, and website optimization. Reviews highlight their strong project management, clear communication, and technical expertise, with 100% of reviewers noting their reliability and efficiency in delivering on time. Clients commend their ability to enhance system scalability and performance while maintaining a user-friendly design.
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$10,000+< $25 / hr10 - 49Indore, India
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See all 1 projectsJawam Infotech is a hybrid IT company that excels in providing IT services while developing its own innovative software products. The company received overwhelmingly positive feedback, with clients praising their exceptional technical results and 99.9% system stability. Reviewers highlighted their organized project management and responsiveness, with 100% of clients noting timely delivery and adaptability.
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$1,000+$25 - $49 / hr10 - 49
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See all 10 projectsDEVIMOX IT CONSULTANCY PRIVATE LIMITED specializes in API Development Services, focusing on robust and scalable solutions like SMS gateway applications. The company is praised for its timely project delivery and proactive communication, with 100% positive feedback highlighting their ability to exceed client expectations and offer valuable suggestions, especially in API Integration and RESTful API Development.
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$1,000+$200 - $300 / hr10 - 49Kansas City, MO
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See all 2 projectsHealthcare Integrations is a company specializing in redesigning laboratory information systems to be cloud-based, user-friendly, reliable, and fast. They have received predominantly positive feedback, with a focus on improved turnaround time, user satisfaction, and quality improvement. Approximately 90% of feedback highlights their team’s helpfulness, though some suggest initial project leadership could be enhanced.
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$1,000+$25 - $49 / hrFreelancer
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See all 1 projectsCortexWaveTech is a WordPress development company specializing in custom PHP development, theme customization, and platform stabilization. They maintain a high level of professionalism and technical expertise, with 100% of reviewers noting their proactive communication and strategic partnership approach. Feedback highlights their flawless delivery of solutions, zero security breaches, and a 99.9% uptime, reflecting substantial business value and operational efficiency.
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$1,000+< $25 / hr2 - 9Bengaluru, India
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See all 2 projectsMadgeek is a professional web development company renowned for creating optimized websites and enhancing user experiences. With a focus on aligning with client values and effective project management, 100% of reviewers commend their timely delivery and professionalism. Clients specifically highlight their dedication to understanding project requirements and delivering exceptional buyer experiences.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsTechticks is a web development company known for its high ratings and cost-effective solutions. The majority of reviews, approximately 80%, highlight their timely delivery and commitment to exceeding client expectations. While initial communication could improve, clients appreciate their dedication to achieving desired results.
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$5,000+$25 - $49 / hr10 - 49Ciudad de México, Mexico
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See all 1 projectsProdevo is an API Development company specializing in RESTful API Development and API Integration services. Reviewers unanimously praised their punctual project delivery and effective communication, with 100% of feedback highlighting their personalized attention and professional approach, ensuring seamless progress updates and successful project execution.
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UndisclosedUndisclosed10 - 49Zagreb, Croatia
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See all 1 projectsIgnitech Solutions is a business and Agile consulting firm that excels in integrating Scrum and Agile practices within organizations. Their reviews are overwhelmingly positive, highlighting impressive culture alignment, on-time delivery, and exceptional project management. Notably, 100% of the feedback praised their ability to improve communication and organizational structure, leading to higher project success rates.
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$10,000+$100 - $149 / hr2 - 9Westbury, England
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See all 3 projectsHoneystone is a digital services company specializing in web development and branding. Reviewers consistently praise their commitment to understanding their clients' needs and delivering projects on time. Notably, 100% of reviewers highlighted their effective communication and ability to tailor solutions, with no areas suggested for improvement.
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$5,000+$100 - $149 / hr2 - 9
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See all 3 projectsThe Product Dev is a versatile development company specializing in creating custom websites, data projects, and e-commerce platforms. Feedback highlights their on-time delivery, proficient project management, and strong industry knowledge. Approximately 100% of reviews emphasize their value for cost and expertise, while around 33% note initial communication challenges, which were effectively resolved.
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$5,000+$25 - $49 / hr2 - 9Karachi, Pakistan
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See all 2 projectsZorbix Technologies is a custom software development company recognized for its ability to streamline internal processes through tailored solutions. Reviews highlight a 40% reduction in manual processing time and a 25% increase in user satisfaction. Clients commend their exceptional project management, responsiveness, and the seamless integration of systems, with no negative feedback noted.
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$1,000+$50 - $99 / hr10 - 49Pune, India
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See all 1 projectsQuikSync Technologies is a software development company specializing in innovative and secure solutions for clinical trial management and data science. The company received overwhelmingly positive feedback, with 100% of reviews highlighting their expertise in compliance standards and intuitive user interface design. However, some feedback suggested improvement in response times for scope changes.
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Undisclosed$25 - $49 / hr2 - 9
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See all 1 projectsS2N Global is a web development company recognized for its patient and flexible approach to client needs, particularly in creating custom e-commerce websites. In their reviews, 100% of clients commend their professionalism and dedication to customer satisfaction. Reviewers frequently praise their ability to make requested changes and provide ongoing support post-deployment.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsNolim Studios LLC is a digital platform development company that excels in creating comprehensive solutions for transportation services. They received overwhelmingly positive feedback, with clients noting a 100% improvement in customer satisfaction and operational efficiency. Reviewers praise their team's diverse expertise and strong commitment to excellence, though a Project Management Office could be beneficial for further improvement.
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$1,000+$50 - $99 / hr2 - 9Great Shefford, England
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See all 1 projectsProvanta is a software development company specializing in creating tailored applications, such as AI-assisted tools for writing CVs and cover letters. The overall feedback is overwhelmingly positive, with clients praising their adherence to deadlines, transparency, and genuine interest in client success. Notably, 100% of reviewers expressed satisfaction, highlighting Provanta's excellent value for cost and strong project management skills.
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$1,000+$25 - $49 / hr2 - 9Dubai, United Arab Emirates
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See all 1 projectsAvalency Studio is a web development company specializing in e-commerce solutions, such as Shopify storefronts and automated email systems. Their reviews are overwhelmingly positive, with 100% of feedback highlighting their speed, professionalism, and impactful delivery. Clients appreciate their efficient responses and proactive approach to meeting project needs.
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$5,000+$25 - $49 / hr2 - 9London, England
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See all 3 projectsRemote Skills is a software development company specializing in API Development and full-stack solutions. Their reviews highlight a consistent track record of delivering high-quality, scalable API solutions, with 100% of the feedback being positive regarding their project management and communication. Clients particularly commend their responsiveness, speed, and ability to handle complex integrations efficiently.
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$5,000+$50 - $99 / hr2 - 9Houston, TX
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See all 2 projectsDREAMSOFT DIGITAL is a digital marketing agency specializing in website design, development, and SEO optimization. With a 100% positive feedback rate, clients praise their quick responsiveness, ability to exceed expectations, and impactful strategies that drive customer acquisition and business launches. Their adaptability and dedication to client success are frequently highlighted by reviewers.
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Undisclosed< $25 / hr2 - 9
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See all 2 projectsGreenCode Labs is a dynamic technology development company that specializes in creating custom digital platforms and robust IT infrastructures for diverse industries, including gaming and financial services. Their reviews reflect a strong focus on delivering projects on time and offering exceptional client service, with 100% of reviewers praising their cost-effectiveness and dedication to client needs.
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$5,000+$25 - $49 / hr2 - 9Sheridan, WY
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See all 3 projectsDojo Labs is an AI development company specializing in creating AI-enabled platforms and solutions. Across their reviews, 100% of clients praise their project management and responsiveness, noting their expertise in delivering end-to-end solutions. Additionally, they are recognized for exceeding expectations in communication and execution, with no significant areas for improvement mentioned by clients.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectsAppvento Inc. is a web development company that specializes in redesigning and modernizing websites. The company is lauded for its professionalism and enthusiasm, with 100% of reviewers noting their effective communication and project delivery. Their work successfully enhances service presentation and customer engagement, though minor improvements are always possible.
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$25,000+$100 - $149 / hr2 - 9Gorzów Wielkopolski, Poland
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See all 1 projectsMonkydot is a versatile software development company specializing in creating custom solutions such as websites, configurators, admin panels, and mini CRMs. Feedback indicates a high level of client satisfaction, with 100% of reviewers highlighting their impressive flexibility and punctual project delivery. Monkydot's alignment with client values and budget considerations also stands out positively.
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Undisclosed$25 - $49 / hr2 - 9
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See all 1 projectsWhispers Lab is a digital marketing and web development company specializing in property website redesign and international buyer engagement. They have received overwhelmingly positive feedback, with clients noting their creativity, responsiveness, and transparent communication. Approximately 100% of reviewers highlight their efficient project management and ability to tailor strategies to client needs.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsZoltraak is a technology company specializing in software development, automation, and artificial intelligence integration. The company is praised for its professionalism, adaptability, and commitment, receiving 100% positive feedback for its efficient solutions and clear communication. Clients appreciate Zoltraak's ability to translate operational needs into automated workflows, significantly improving efficiency. No major issues were identified in their performance, highlighting their effectiveness and reliability.
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$1,000+< $25 / hr10 - 49Rajkot, India
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See all 4 projectsCorbital Technologies LLP is a digital services company specializing in CRM customization, web solutions, and API development. Their reviews reflect a 100% positive feedback rate, with clients praising their expertise, responsiveness, and effective communication. Notably, 67% of reviewers mentioned their impressive knowledge and support turnaround time. Overall, Corbital Technologies LLP consistently delivers quality solutions that meet project goals on time.
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$5,000+Undisclosed10 - 49
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See all 1 projectsOdev is a web3 development company specializing in full-stack development, including smart contracts and node integration. Reviews highlight their ability to supply high-quality developers with both technical and soft skills, with 100% of feedback being positive. Clients appreciate their responsive project management and ability to align with company culture.
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$5,000+$50 - $99 / hr10 - 49Tallinn, Estonia
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See all 1 projectsK4 Tech Solutions is a technology company specializing in developing scalable, mobile-first platforms, particularly for gaming clubs. Client feedback is overwhelmingly positive, with 100% satisfaction regarding their project management, communication, and swift delivery. The company is praised for its professionalism, with no critical bugs at launch and successful delivery of a multi-platform MVP.
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$50,000+$25 - $49 / hr10 - 49
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See all 1 projectsThe Dievision Infotech is a technology firm specializing in website development, CRM solutions, and digital marketing. They consistently receive high praise for delivering projects on time and providing effective solutions, with 100% of reviews highlighting their professionalism and trustworthiness. Clients commend their proactive communication and ability to adapt solutions to specific needs.
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$10,000+$25 - $49 / hr50 - 249Schönefeld, Germany
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See all 2 projectsExpert Minds GmbH is a specialized company offering SAP implementation and DevOps integration services. The reviews indicate a 100% positive feedback rate, highlighting the company's technical expertise, client-focused approach, and timely project delivery. Clients appreciate their ability to enhance operational efficiency, reduce software release cycles, and provide tailored solutions, with 40% operational improvement and 50% faster release cycles reported.
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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.