Top 20 API Development Services
The Best of April 2026Looking for a top API developer?
With their in-depth knowledge of API technologies, programming languages, and industry best practices, API developers help businesses design, build, and deploy custom APIs that meet their specific business requirements. By collaborating with API development professionals, businesses can unlock new opportunities for data sharing, automation, and integration.
That's why we've created this list of the best API developers for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
List of the Best API Development Companies
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1$25,000+1,000 - 9,999 employeesSão Paulo, BrazilFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
Clients
Farfetch IPSOS Elfa Group BTG PactualIndustries
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2$75,000+50 - 249 employeesRio de Janeiro, BrazilRead More
IBlue Consulting, a digital strategy company, is located in Rio de Janeiro, Brazil. The midsize company was established in 2016. Their team specializes in digital strategy, ux/ui design, IT strategy consulting, BI & big data consulting & SI, and more.
Clients
BrasilcapIndustries
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3$50,000+50 - 249 employeesSão Paulo, BrazilEstablished in 2019, bycoders_ is a Low/No Code Development company. Their midsize team is headquartered in Cascais, Portugal; São Paulo, Brazil and Long Beach, California. Their services include Low/No Code Development, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
Clients
banking E-commerce health LogisticsIndustries
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4$25,000+50 - 249 employeesCaxias do Sul, BrazilDevGrid is a software development firm founded in 2015. Their midsize team is headquartered in London, United Kingdom and Caxias do Sul, Brazil and focuses on custom software development, IoT development, mobile app development, IT staff augmentation, and more.Read More
Clients
Voltaware Services LimitedIndustries
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5$10,000+50 - 249 employeesCampinas, BrazilWatermelon Tecnologia is a mobile app development company. Launched in 2013, the midsize company is based in Porto, Portugal and Campinas, Brazil. Their services include Mobile App Development, IT managed services, Search Engine Optimization, IT staff augmentation, and more.Read More
Industries
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6$5,000+10 - 49 employeesFlorianópolis, BrazilPETE.Tech is a web development company. Located in Florianópolis, Brazil and Hamburg, Germany, the team focuses on Web Development and Mobile App Development.Read More
Industries
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7$10,000+250 - 999 employeesCampinas, BrazilArt IT - Intelligent Technology is an user experience design agency. Based in Campinas, Brazil, their midsize team offers UX/UI Design and Architectural Design. The company was founded in 2002.Read More
Industries
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8Undisclosed50 - 249 employeesSantos, BrazilT2S Tecnologia is a website development firm. Launched in 2003, the team specializes in Web Development and API Development.Read More
Industries
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9$5,000+2 - 9 employeesSão Paulo, BrazilPhurshell is a São Paulo, Brazil-based app development company. The team offers Mobile App Development and Web Development.Read More
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10Undisclosed2 - 9 employeesSão Paulo, BrazilRequest.Coffee is a small Cybersecurity company. Established in 2025, the team provides Cybersecurity and API Development.Read More
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11$10,000+10 - 49 employeescuritiba, BrazilExtractify is a small IoT development company based in curitiba, Brazil. Their services include IoT development and Artificial Intelligence.Read More
Clients
Straumann Group Aster - John Deere Machinery -
12$5,000+2 - 9 employeesUberlandia, BrazilCodetech Software is a software development firm launched in 2021. The firm provides Custom Software Development and Web Development, and is small.Read More
Industries
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13$1,000+50 - 249 employeesSão Paulo, BrazilVerzel, an IT strategy consulting company, was established in 2010. The team provides IT strategy consulting and Custom Software Development and is based in São Paulo, Brazil and Berlin, Germany.Read More
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14$10,000+2 - 9 employeesPorto Alegre, BrazilKuaray Tech is a software development firm established in 2024. The company offers Custom Software Development and API Development.Read More
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15$5,000+2 - 9 employeesDom Bosco, BrazilCustom software development firm Koden Labs was established in 2025. The small team focuses on Custom Software Development and Mobile App Development.Read More
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16$5,000+2 - 9 employeesSão Paulo, BrazilBytech is an application development firm. They are located in São Paulo, Brazil. Their team offers Mobile App Development and API Development.Read More
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17Undisclosed10 - 49 employeesRio de Janeiro, BrazilITGX Tecnologia Ltda, a cloud consulting & SI company, offers cloud consulting & SI and Cybersecurity. The company is in Rio de Janeiro, Brazil.Read More
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18Undisclosed10 - 49 employeesSão Paulo, BrazilChatvolt, an AI development company, is in São Paulo, Brazil. They specialize in Artificial Intelligence and AI Agents and were established in 2024.Read More
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19$25,000+2 - 9 employeesBalneario Camboriu, BrazilWeblogiko is a small custom software development company launched in 2019. Their team specializes in Custom Software Development and Enterprise App Modernization.Read More
Industries
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20$5,000+50 - 249 employeesCerqueira César, BrazilSoftware development firm Ibisdev was established in 2019. The firm focuses on Custom Software Development and Web Development, and is midsize.Read More
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