Top 50 API Development Services
The Best of May 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$1,000+2 - 9 employeesWaldshut-Tiengen, GermanyFounded in 2015, Pyango GmbH is an artificial intelligence firm. Their small team is located in Fahrwangen, Switzerland and Waldshut-Tiengen, Germany. Their services include Artificial Intelligence, UX/UI Design, Custom Software Development, Web Design, and more.Read More
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2Undisclosed2 - 9 employeesBerlin, GermanyTenMedia GmbH is a small custom software development company. Based in Berlin, Germany, the agency was established in 2011. Their services include Custom Software Development, Application Management & Support, Mobile App Development, UX/UI Design, and more.Read More
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3$10,000+2 - 9 employeesBerlin, GermanyEstablished in 2022, Supaapps GmbH is a web development company. The small Berlin, Germany-based team provides web development, devops managed services, mobile app development, other application development, and more.Read More
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4$5,000+10 - 49 employeesRegensburg, GermanyInt2code GmbH, a custom software development firm, was established in 2017. The small Regensburg, Germany-based team specializes in Custom Software Development, IoT development, Application Testing, Enterprise App Modernization, and more.Read More
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5$10,000+50 - 249 employeesSchönefeld, GermanyEstablished in 2019, expert minds technology solution O.Ü. Is a software development firm. The agency specializes in custom software development, web development, mobile app development, e-commerce development, and more and has a midsize team. The agency is based in Tallinn, Estonia and Schönefeld, Germany.Read More
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6Undisclosed10 - 49 employeesFulda, GermanySemantic Applications GmbH & Co. KG is a software development company located in Fulda, Germany and Našice, Croatia. The agency specializes in Custom Software Development, Web Development, API Development, DevOps Managed Services, and more and has a small team.The agency was launched in 2011.Read More
Clients
Landeskriminalamt Thüringen European Central Bank Trialytix AlcedisIndustries
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7$1,000+50 - 249 employeesEuskirchen, GermanyComfygen Technologies, a mobile application development company, was launched in 2019. The midsize Jaipur, India-based team offers Mobile App Development, Low/No Code Development, Web Development, E-Commerce Development, and more.Read More
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8$50,000+10 - 49 employeesKöln, GermanyWebmatch, an e-commerce development firm, focus on E-Commerce Development and UX/UI Design. They were launched in 2007.Read More
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9$25,000+10 - 49 employeesBerlin, GermanyHeadquartered in Berlin, Germany, brayn.io GmbH is a software development company. Their services include Custom Software Development and Artificial Intelligence.Read More
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10$10,000+2 - 9 employeesBerlin, GermanyGRAN Software Solutions GmbH is an IT staff augmentation company. Based in Berlin, Germany, the team provides IT staff augmentation and API Development.Read More
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11$10,000+2 - 9 employeesCastrop-Rauxel, GermanyLaunched in 2021, Schwekas IT GmbH is a small custom software development company. Their team provides Custom Software Development and API Development.Read More
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12$5,000+2 - 9 employeesBochum, GermanyTaikomedia is an user experience agency. The Bochum, Germany-based company was established in 2021. Their team focuses on UX/UI Design and IT managed services.Read More
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13$1,000+2 - 9 employeesMünchen, GermanySascha Thiel SoftpageHomeware is a software development company headquartered in München, Germany. Their services include Custom Software Development and Web Development.Read More
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14$1,000+10 - 49 employeesKöln, GermanyD2 Agency is an e-commerce development firm. The small Karachi, Pakistan-based team specializes in E-Commerce Development and Web Development. The agency was launched in 2014.Read More
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15$25,000+10 - 49 employeesDaxweiler, GermanySoftware development company Thiele & Klose GmbH specializes in Custom Software Development and Web Development. They are headquartered in Daxweiler, Germany and Mainz, Germany.Read More
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16Undisclosed10 - 49 employeesMünchen, GermanyEstablished in 2022, DAS Consultancy Services GmbH is an IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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17$1,000+2 - 9 employeesSchwarmstedt, GermanyCodingStars GbR is a software development firm. In Schwarmstedt, Germany, the firm specializes in Custom Software Development and Web Development.Read More
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18$5,000+2 - 9 employeesHerzogenrath, GermanyNetopz is an Application Testing company. Located in Herzogenrath, Germany and Aintree, Australia, the agency specializes in Application Testing and Application Management & Support.Read More
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19$10,000+2 - 9 employeesDresden, GermanyKuaray Tech is a software development firm established in 2024. The company offers Custom Software Development and API Development.Read More
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20$5,000+2 - 9 employeesMünchen, GermanyCarve Studio is a software development company. Founded in 2026, their team specializes in Custom Software Development and API Development.Read More
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21$1,000+2 - 9 employeesPfungstadt, GermanyParistan IT Services GmbH, a website development company, was founded in 2023. The small team provides Web Development and Custom Software Development.Read More
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22$1,000+2 - 9 employeesMünchen, GermanyCustom software development company GigLabo is in München, Germany. They specialize in Custom Software Development and Web Development and were launched in 2024.Read More
Industries
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23$5,000+2 - 9 employeesRecklinghausen, GermanyNAXIT Technology GmbH, a website development firm, was founded in 2026. The team offers Web Development and Web Design and is located in Recklinghausen, Germany.Read More
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24Undisclosed50 - 249 employeesMünchen, GermanyEstablished in 2023, digitalforce GmbH is a software development firm. Their services include Custom Software Development and IT strategy consulting.Read More
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25$5,000+2 - 9 employeesDreieich, GermanyLaunched in 2024, adimpact AI Development & Automation Agency is a small Dreieich, Germany-based AI company. Their services include Artificial Intelligence and Generative AI.Read More
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26$10,000+50 - 249 employeesCastrop-Rauxel, GermanyChudovo is a software development company. They are in Castrop-Rauxel, Germany; London , England; Tallinn, Estonia and Kalispell, Montana and have a midsize team that provides Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more. The company was established in 2006.Read More
Clients
Hoffman-La Roche, Royal Bank of Scotland, Saphera, Corizon Health, Evonik, TP-Link, Nexans, FDP-Bundestagsfraktion, berlinappcompany GmbH, Barcodes Inc., Pixabit-Solutions, Infocom, UkrPromBank, RBC SoftIndustries
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27Undisclosed1,000 - 9,999 employeesEschborn, GermanyLiferay is an Application Testing company established in 2004. The large team focuses on Application Testing and API Development.Read More
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28$10,000+50 - 249 employeesBerlin, GermanyProductDock AG, a custom software development company, was founded in 2020. They are based in Berlin, Germany; Lisboa, Portugal; Novi Sad, Serbia and Banja Luka, Bosnia and Herzegovina and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, API Development, and more.Read More
Clients
AdevintaIndustries
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29$1,000+2 - 9 employeesBad Schwalbach, GermanyLevel-Worker is a Low/No Code Development company. They are based in Bad Schwalbach, Germany. Their team provides Low/No Code Development and AI Agents.Read More
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30Undisclosed50 - 249 employeesMünchen, GermanyData analytics company cleversoft group GmbH specializes in BI & big data consulting & SI and CRM consulting and SI. They are based in München, Germany and Frankfurt am Main, Germany.Read More
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