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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$1,000+< $25 / hr10 - 49
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See all 2 projectsEntangle Software Private Limited is a web development company specializing in creating responsive, user-friendly websites with a strong focus on UI/UX design and basic SEO optimization. Overall, the feedback is predominantly positive, highlighting their effective project management and clear communication, with a suggestion for improvement in post-launch documentation. Approximately 90% of the content reflects satisfaction with their services.
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$1,000+$25 - $49 / hr10 - 49Ludhiana, India
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See all 2 projectsNextryzer Technologies is a comprehensive digital solutions provider, excelling in website development, digital marketing, and custom software solutions such as ERP and data management systems. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their ability to deliver on time, respond effectively to feedback, and offer integrated solutions that enhance online presence and operational efficiency.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsGreystack Solutions LLP is a web development company renowned for delivering user-friendly and visually appealing websites. Client reviews highlight their exceptional project management, timely delivery, and responsive communication. Notably, 100% of reviews emphasize their efficiency and problem-solving capabilities, and there are no reported areas for improvement, reflecting their high level of client satisfaction.
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$25,000+$25 - $49 / hr10 - 49
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See all 1 projectsAT Computers is a software development company that excels in enhancing web services for complex scientific environments, as evidenced by their work with the University of Luxembourg. The company received overwhelmingly positive feedback for their technical precision, proactive project management, and ability to meet deadlines, with 100% of the reviewers highlighting their strong communication skills and effective collaboration.
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$10,000+$50 - $99 / hr10 - 49
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See all 1 projectsWaI Systems is an AI development company specializing in creating AI-driven solutions for businesses, such as a sophisticated AI travel advisor for a travel agency. Their reviews highlight a strong understanding of client needs and effective project management, with 100% of feedback noting successful deployment and prompt response to additional requirements.
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Undisclosed$100 - $149 / hrFreelancerLittleton, CO
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See all 2 projectsDigital Pixel is a web development company specializing in website creation and IT support services. The company is praised for its great customer service, initiative, and timely delivery, with 100% of reviews highlighting positive experiences. Clients appreciate their good value for cost and alignment in company values, with no areas for improvement mentioned.
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$1,000+$100 - $149 / hrFreelancer
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See all 2 projectsPremier Dev Solutions is a web development and SEO company known for creating professional websites and enhancing online visibility. The feedback is predominantly positive, with clients highlighting the company's professionalism, responsiveness, and commitment to project deadlines. More than 80% of reviewers commend their effective communication and transparency, contributing to increased website traffic and improved user experience.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsLegereum Blockchain Technologies is a company specializing in API Development Services, focusing on scalable and secure solutions within the fintech and blockchain sectors. They consistently receive positive feedback, showcasing excellent project management and responsiveness to client needs. Approximately 95% of reviewers commend their technical expertise, particularly in creating innovative API solutions that bridge traditional finance with crypto systems.
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$75,000+$50 - $99 / hr2 - 9Best, Netherlands
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See all 3 projectsCodolis B.V. is an application programming interface development company that excels in API solutions and mobile/web app development. With a 100% satisfaction rate, clients commend their high-quality code and proactive project management. Codolis B.V.'s client-centric approach and cutting-edge technical expertise ensure timely delivery within budget, making them a reliable partner for RESTful API development and API integration projects.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsQBits9 is a mobile app development company recognized for delivering high-quality applications, as highlighted by their successful engagement with Koodra. Reviews emphasize their effective project management, timely delivery, and budget alignment. The company's friendly team and impressive quality of work receive unanimous praise, with no areas for improvement noted.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsElovient Software Solutions is a web development company recognized for its comprehensive project delivery, covering discovery to post-launch support. All reviewers indicated positive outcomes, highlighting exceptional team coordination and leadership. Noteworthy is their commitment and energy, with 100% of feedback applauding their professionalism and human touch, though suggesting more structured relationship-building touchpoints for future projects.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsCodeQlik IT Solutions is an IT company specializing in ERP integration and implementation services. Based on their reviews, 100% of clients expressed satisfaction, highlighting their efficient project management and quick turnaround time. Clients appreciated the cost-effectiveness and value provided by CodeQlik IT Solutions, with no areas cited for improvement.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsSoftiox is an API Development company renowned for its technical expertise and proficiency in delivering scalable API solutions. With 100% positive feedback, clients praise their professional project management and effective communication. Their ability to transform complex requirements into functional features, particularly in RESTful API Development and API Integration, is frequently highlighted.
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$1,000+< $25 / hr10 - 49
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See all 5 projectsEnsuesoft Private Limited is an API Development company that delivers efficient solutions, particularly in data cleansing applications. They are praised for their cost-effective services and ability to meet tight deadlines, with approximately 90% of feedback highlighting their project execution and adaptability. However, around 10% of reviews suggest improvements in pre-release testing.
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Undisclosed< $25 / hr10 - 49San Francisco, CA
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See all 5 projectsClymin is a specialized company providing API Development Services, focusing on automated data extraction and seamless API integration. Across multiple reviews, 100% of clients highlighted their efficiency and accuracy, with improvements in data accuracy ranging from 20% to 45% and reductions in manual tasks by up to 70%. Several reviewers noted a need for enhanced training on their dashboards despite excellent support.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsCedarline AI is an API Development Services company known for its expertise in building and scaling SaaS platforms, CRM integrations, and lead evaluation features. The company receives overwhelmingly positive feedback for its technical proficiency and attention to detail, with 100% of reviewers highlighting their responsiveness and ability to meet project needs. However, some suggest improvements in communication and project updates.
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UndisclosedUndisclosedFreelancer
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See all 2 projectsBlais Computer is an IT services company specializing in hardware upgrades and server optimization. Based on the review, Blais Computer received 100% positive feedback for their effective communication and technical expertise, with the client highlighting Brandon's extensive knowledge and the smooth operation of their server post-upgrade. The professionalism and efficiency demonstrated by Blais Computer underscore their reliability in IT solutions.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsM2atech Solutions Inc is a technology firm specializing in marketing, website, and mobile app development. They have received positive feedback from clients, with over 90% mentioning increased customer engagement and satisfaction. Reviews highlight their professionalism, responsiveness, and alignment with client goals, emphasizing their ability to deliver value and rapid support.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsThe Design MVP is a web development company known for building websites from scratch. Positive feedback accounts for 100% of the reviews, highlighting their responsiveness, flexibility, and excellent UI/UX design taste. Clients appreciate the timely delivery of projects and the high-quality output provided by The Design MVP.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsHazur Inc. is a digital agency specializing in branding, website development, and e-commerce solutions. They receive overwhelmingly positive feedback, with clients highlighting their ability to seamlessly blend modern design with cultural authenticity. Approximately 30-40% of reviewers note improved user engagement and increased interest in products post-launch. Hazur Inc. is praised for their professionalism, clear communication, and adherence to project timelines.
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$10,000+$50 - $99 / hr2 - 9Vicente López, Argentina
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See all 1 projectsDoTheCode is a web development company known for its expertise in creating custom web functions and solutions. The feedback highlights their responsive communication, positive approach to client requests, and proactive improvement suggestions. With 100% positive feedback, clients appreciate their effective handling of any glitches and their commitment to delivering on time.
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$1,000+$50 - $99 / hr2 - 9
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See all 4 projectsCogenta is a versatile digital solutions provider specializing in web development, CRM implementation, and marketing automation. Reviews highlight their technical expertise, strategic understanding, and efficient project management. With 100% of feedback being positive, clients particularly commend their ability to deliver high-performance platforms and systems, such as achieving 98%-100% in technical SEO and performance scores. They are lauded for their proactive communication and adaptability.
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$10,000+$50 - $99 / hr2 - 9
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See all 1 projectsKRONX is a company specializing in custom software design, particularly in graphic design for mobile applications. The feedback is overwhelmingly positive, with 100% of reviewers highlighting timely completion and effective communication. Clients appreciate their customer care process, suggesting a strong commitment to client satisfaction without notable areas for improvement.
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$25,000+$150 - $199 / hr2 - 9Bloomfield Hills, MI
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See all 1 projectsStable Software is a custom software development company excelling in creating tailored solutions to enhance client data management and user experience. They consistently deliver projects ahead of schedule, with 100% of reviews highlighting their responsiveness and ability to effectively translate client needs into functional designs. Their services are perceived as offering great value and aligning with client values.
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$1,000+$50 - $99 / hr2 - 9Burgas, Bulgaria
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See all 1 projectsSmart Bytes Software is a specialized IT services company offering custom software development and IT consulting services. Feedback from clients highlights their expertise in modernizing legacy platforms, notably using Blazor and Telerik Reporting. All reviews indicate a positive experience, with a 100% satisfaction rate, particularly praising their flexibility, timely delivery, and excellent communication skills.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsHECTACODE TECHNOLOGIES PRIVATE LIMITED is a proficient API Development company known for delivering backend and API integration solutions. They are praised for their cost-effectiveness, with 100% of reviews highlighting their budget-friendly services and timely delivery. Clients commend their ability to meet timelines and provide effective project management.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsAcaiberry Technologies is a technology firm specializing in AI-driven research and web development. They were engaged to develop a medicinal plant database and a web application. Reviews are mixed, with 50% noting impressive solution-finding abilities, but also a need for improved research and planning efficiency. Overall, approximately 50% of feedback highlights delays in meeting expectations.
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$1,000+< $25 / hr10 - 49
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See all 5 projectsBidShore is a versatile digital solutions provider offering services such as UI/UX design, QA, IT system development, and market research. The company is consistently praised for its high-quality work, effective communication, and proactive approach, with 100% of reviewers noting their professionalism and timely project delivery. Clients highlight BidShore’s seamless integration with internal teams and detail-oriented mindset, mentioning no significant areas needing improvement.
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$1,000+< $25 / hr10 - 49
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See all 9 projectsProgressive Byte is a software development company specializing in website development, particularly e-commerce solutions. They have received positive feedback, with clients noting their professionalism and timely delivery. Approximately 100% of the reviewers highlighted their impressive project management and communication skills, while 0% noted areas for significant improvement.
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$5,000+$25 - $49 / hr10 - 49
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See all 6 projectsKodMatrix Infotech is a distinguished provider of API Development Services, offering expertise in integrating and developing APIs tailored to client needs. With a 100% positive feedback rate, clients praise their effective communication, timely delivery, and commitment to understanding unique client requirements, though they suggest faster response times for call scheduling and email correspondence.
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UndisclosedUndisclosed10 - 49Miami Beach, FL
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See all 3 projectsTapplix Applications & Web Design LLC is a mobile app development company that specializes in creating tailored applications for specific industry needs, such as real estate. Their clients report a 100% positive experience, highlighting impressive project management and a deep understanding of industry-specific requirements. Some room for enhancement exists in expanding app customization options, but overall satisfaction is high.
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$5,000+< $25 / hr10 - 49bradford, England
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See all 1 projectsTechBucks is a web and app development company recognized for its expertise in crafting interactive digital experiences, as highlighted by their delivery of custom illustrations and impact calculator integration. With 100% positive feedback, reviewers frequently commend their proactive project management and superior responsiveness, emphasizing their unique ability to consistently exceed expectations in communication and solution provision.
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UndisclosedUndisclosed10 - 49Ahmedabad, India
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See all 1 projectsAmcodr IT Solutions Pvt. Ltd. is a comprehensive IT development company specializing in Application Programming Interface Development and API Solutions. Feedback highlights their punctuality, quality, and flexibility, with 100% of reviewers expressing satisfaction with their responsiveness and performance in delivering full-scale development projects.
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$10,000+< $25 / hr10 - 49Orlando, FL
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See all 7 projectsInfylo Techsolutions Ltd. is a custom software development company specializing in creating tailored digital solutions. With a commitment to quality and a strong understanding of business needs, they have received overwhelmingly positive feedback, with clients praising their responsiveness, professionalism, and ability to improve operational efficiency. Approximately 100% of reviewers noted significant improvements in their business processes and satisfaction with Infylo's services.
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$5,000+$50 - $99 / hrFreelancerByron Bay, Australia
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See all 2 projectsNexa Point is an API Development company that excels in implementing systems to streamline operations and developing applications for business growth. With 100% positive feedback, clients praise their efficient project management, timely delivery, and ability to transform local businesses into broader market contenders through their API Solutions. They are noted for their responsiveness and strategic approach, impressing clients with their swift and effective application programming and development services.
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$5,000+$50 - $99 / hr2 - 9Ahmedabad, India
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See all 6 projectsCloudexis Technolabs is a system development company with expertise in Laravel, known for delivering comprehensive solutions including system development, migration, integration, and support. They have received predominantly positive feedback, with clients praising their timely delivery and proactive approach, though some suggest improvements in communication channels and documentation practices.
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$10,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
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See all 5 projectsVigored is a web development company renowned for their skill in creating custom-built WordPress sites and API Integration. Their reviews highlight a 100% positive feedback rate, emphasizing their flexibility, excellent project management, and personalized customer service, making them a highly recommended choice for web development projects.
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$10,000+$50 - $99 / hr2 - 9Novi Sad, Serbia
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See all 3 projectsQbitech is a software development company specializing in full-stack development, data infrastructure, and scalable data pipelines. Reviews highlight their timely delivery and reliability, with 100% of clients expressing satisfaction and appreciation for their professionalism and effective communication. Clients particularly commend Qbitech's technical expertise and cultural fit, noting their problem-solving abilities and value for cost.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsAmwata Tech is a web application development company known for its affordable pricing and strong cultural fit, delivering solutions that align with client values. The reviews reflect a 100% positive sentiment, highlighting their intuitive project management, excellent communication, and the ability to exceed expectations with innovative features and timely delivery. Their work significantly enhances client operations, demonstrating exceptional skill and enthusiasm.
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$25,000+$150 - $199 / hr2 - 9
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See all 1 projectsBitprism LLC is an API Development company specializing in API Integration and Web Service Development. Their reviews are overwhelmingly positive, with 100% of clients noting the timely delivery and high-quality service. Clients frequently highlight their impressive post-project support and seamless transition to AWS, underscoring their expertise in Application Programming Interface Development.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsLorem Solutions is an API Development company that specializes in RESTful API Development and Web Service Development. The reviews indicate a strong customer satisfaction rate, with 100% positive feedback highlighting their fast response, support, and effective handling of problems. Clients appreciate their budgeting flexibility and seamless integration with existing vendors.
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$10,000+Undisclosed2 - 9Houston, TX
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See all 1 projectsCrrraw Holdings LLC is a development company specializing in mobile app and backend solutions. According to the reviews, 100% of the feedback is positive, highlighting their excellent project management, fast responsiveness, and strong alignment with client values. Clients particularly appreciate their dedication to customer satisfaction and the seamless member experience they deliver.
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$10,000+$50 - $99 / hr10 - 49
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See all 6 projectsGizmolab is a company specializing in API Development services, known for their deep technical knowledge and excellent communication. Across their reviews, 100% of clients commend their professionalism and reliability, with no negative feedback reported. Their expertise in Application Programming Interface Development and effective project management make them a highly recommended partner for API Solutions.
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$1,000+< $25 / hrFreelancer
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See all 1 projectsJenis Web Technologies is a web development company specializing in SaaS solutions, delivering scalable platforms with features such as appointment scheduling and secure payments. Their reviews reflect a 100% positive sentiment, highlighting their effective project management and technical expertise. Clients appreciate their proactive communication and business acumen, though documentation could be improved for user onboarding.
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UndisclosedUndisclosedFreelancerTallinn, Estonia
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See all 1 projectsAdonexus is a cloud consulting company specializing in designing and implementing efficient AWS infrastructure solutions. They receive overwhelmingly positive feedback, with clients praising their cost-effective solutions, robust project management, and excellent communication skills. Approximately 100% of reviewers highlight their technical expertise and ability to deliver projects on time while ensuring seamless knowledge transfer and support.
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UndisclosedUndisclosed2 - 9
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See all 1 projectsCodeLint is a development and DevOps company known for its seamless integration of these services, offering scalable and high-performance web platforms tailored to client needs. The company received 100% positive feedback, with reviewers praising their structured project management and clear communication, highlighting their focus on clean code and scalability.
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 2 projectsCrestSync is a versatile company offering services in AI development, MIS software, website revamps, and graphic design for print and web projects. With primarily positive feedback (over 90% reviewers) highlighting increased efficiency, improved delivery time, and client satisfaction, they are praised for their professionalism and quick response. Areas noted for improvement include offering more advanced options.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 1 projectsQodic Technosoft is a web development company renowned for creating custom web-based systems. The firm has received overwhelmingly positive feedback, with clients praising their efficiency, responsiveness, and ability to understand client needs. Approximately 100% of reviewers highlight their effective project management and seamless communication, contributing to improved business operations.
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$50,000+$25 - $49 / hr2 - 9Buenos Aires, Argentina
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See all 5 projectsMVP Builders is a company specializing in Application Programming Interface Development and API Integration services. They received 100% positive feedback, with clients highlighting their efficiency, effectiveness, and excellent communication. Approximately 80% of reviewers praised their ability to deliver on time and their passion for the work.
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$5,000+Undisclosed2 - 9Coraopolis, PA
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See all 3 projectsValyr is a web development company that offers services such as user interface design, website maintenance, and custom web solutions. Feedback from clients is overwhelmingly positive, with 100% of reviewers highlighting their professionalism, responsiveness, and effective communication. Clients appreciate their personalized attention and detailed project management, with no significant areas for improvement noted.
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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.