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+10 - 49 employeesSydney, AustraliaSmall software development company StepInsight, is headquartered in Sydney, Australia; Etterbeek, Belgium and Austin, Texas. Launched in 2017, the team focuses on Custom Software Development, Mobile App Development, Artificial Intelligence, and API Development.Read More
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2Undisclosed250 - 999 employeesSydney, AustraliaMantel is a Digital Strategy company based in Melbourne, Australia and Sydney, Australia. Their services include Digital Strategy and Product Design.Read More
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3$1,000+50 - 249 employeesLavender Bay, AustraliaLaunched in 2013, Alkye Service Pty Ltd is a branding agency. The agency provides Branding and Digital Strategy, and is midsize.Read More
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4$1,000+2 - 9 employeesHurstville, AustraliaSolverCircle, a website development company, was founded in 2005. The small team focuses on Web Development and Mobile App Development.Read More
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5$10,000+2 - 9 employeesChiswick, AustraliaAzar Consulting is a small Chiswick, Australia-based IT strategy consulting company. The team provides IT strategy consulting and Mobile App Development.Read More
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6$1,000+2 - 9 employeesRedfern, AustraliaDigital Purpose Pty Ltd is a software development firm. The team offers Custom Software Development and API Development, and the agency is in Redfern, Australia.Read More
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7Undisclosed2 - 9 employeesBrookvale, AustraliaEstablished in 2002, Hidden Spark is an IT strategy consulting company. Their team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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8$1,000+10 - 49 employeesKingsford, AustraliaXEESOFT is a web design company in Islamabad, Pakistan and Kingsford, Australia. Launched in 2009, the team focuses on Web Design and Web Development.Read More
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9$1,000+10 - 49 employeesSydney, AustraliaFruition Services is a small software development firm located in Sydney, Australia and New Delhi, India. Their services include Custom Software Development and Business Consulting.Read More
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10$5,000+10 - 49 employeesBaulkham Hills, AustraliaIT staff augmentation company 9T5 Pty Ltd is based in Baulkham Hills, Australia and Lahore, Pakistan. They offer IT staff augmentation and Custom Software Development and were launched in 2017.Read More
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11$5,000+2 - 9 employeesSurry Hills, AustraliaSydney Software Development is a Surry Hills, Australia-based custom software development company. They specialize in Custom Software Development and Web Development.Read More
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12$5,000+2 - 9 employeesMortdale, AustraliaInayah Consulting is a web design agency located in Mortdale, Australia. Launched in 2021, the team specializes in Web Design and IT strategy consulting.Read More
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13Undisclosed250 - 999 employeesSydney, AustraliaLaunched in 2014, Versent is a cloud consulting & SI company. The team offers cloud consulting & SI and Custom Software Development.Read More
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14Undisclosed10 - 49 employeesBarangaroo, AustraliaLaunched in 2020, Nikqik Technologies is a small IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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15Undisclosed2 - 9 employeesElizabeth Bay, AustraliaFounded in 2015, ASLAN Technology Services, Ltd., a small IoT development company, is in Elizabeth Bay, Australia. Their team focuses on IoT development and DevOps Managed Services.Read More
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16$50,000+10 - 49 employeesBateau Bay, AustraliaDazlab is a software development company. Their small team is headquartered in Bateau Bay, Australia. Their services include Custom Software Development and Enterprise App Modernization.Read More
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