Top 20 API Development Services
The Best of December 2025Looking 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$5,000+10 - 49 employeesAustin, TXLaunched in 2019, 2BTech LLC is an AI development company. They are based in Austin, Texas and Lahore, Pakistan and have a small team. The company offers Artificial Intelligence, Custom Software Development, DevOps Managed Services, AI Agents, and more.Read More
Clients
Buzzware TechIndustries
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2$5,000+10 - 49 employeesAustin, TXSIRO Digital Agency is a small user experience company. Launched in 2008, the team provides UX/UI Design and IT strategy consulting.Read More
Clients
San Francisco Department of Public Health MetaDesign Audacity Health 22 FillmoreIndustries
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3$5,000+10 - 49 employeesAustin, TXSoftware development firm TekInvent is based in Sheridan, Wyoming; Austin, Texas and Orlando, Florida. They focus on Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more and were founded in 2021.Read More
Industries
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4$5,000+10 - 49 employeesAustin, TXModern McGuire Productions is a web development firm. The company is in Austin, Texas. Their services include Web Development and Custom Software Development.Read More
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5Undisclosed2 - 9 employeesAustin, TXJTM Global Enterprises LLC is an IT managed services company. Based in Austin, Texas, the agency focuses on IT managed services and API Development.Read More
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6Undisclosed50 - 249 employeesAustin, TXBrightpearl by Sage is a CRM consulting and SI company. Established in 2007, the firm is located in Austin, Texas. Their team offers CRM consulting and SI and ERP consulting and SI.Read More
Industries
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7Undisclosed10 - 49 employeesAustin, TXVulk Coop is an Austin, Texas-based user experience company. They focus on UX/UI Design and cloud consulting & SI and were established in 2013.Read More
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8Undisclosed2 - 9 employeesAustin, TXLocated in Austin, Texas, DevMark Innovations is a small AI company. The team focuses on Artificial Intelligence and API Development.Read More
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9Undisclosed2 - 9 employeesAustin, TXTenlogic is a CRM consulting and SI company. They provide CRM consulting and SI and Custom Software Development and were established in 2022. The company is headquartered in Austin, Texas.Read More
Industries
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10Undisclosed2 - 9 employeesAustin, TXLone Star Media, Inc. Is an Austin, Texas-based web design company. They specialize in Web Design and UX/UI Design and were founded in 1998.Read More
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11UndisclosedFreelancer employeesAustin, TXRFIDENTITY, Inc is a software development firm and API Development company launched in 2016. The company provides Custom Software Development and API Development.Read More
Industries
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12Undisclosed2 - 9 employeesAustin, TXLaunched in 2019, WeeConv is an UX design agency. The small team specializes in UX/UI Design and Web Development.Read More
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13UndisclosedFreelancer employeesAustin, TXIT strategy consulting company Sector 7 USA LLC was established in 1985. Based in Austin, Texas, the team provides IT strategy consulting and cloud consulting & SI.Read More
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14UndisclosedFreelancer employeesAustin, TXFounded in 2016, Big Work Industries is a small Computer Engineering company. Their team offers Computer Engineering and Web Development.Read More
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15Undisclosed10 - 49 employeesAustin, TXCazton is a custom software development company. Founded in 2013, the company is in Atlanta, Georgia and Austin, Texas. Their services include Custom Software Development and Artificial Intelligence.Read More
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16Undisclosed2 - 9 employeesLeander, TXDo Genius On, LLC. Is an app development company. Launched in 2019, the team offers Mobile App Development and Custom Software Development. The company is headquartered in Leander, Texas.Read More
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17$10,000+50 - 249 employeesSan Antonio, TXTowa - Nearshore Software Excellence is a midsize IT strategy consulting company. Established in 2002, the company is based in San Antonio, Texas; San Pedro Garza García, Mexico and Ciudad de México, Mexico. Their team provides IT strategy consulting, IT managed services, IT staff augmentation, Custom Software Development, and more.Read More
Clients
Backyard Products Inc Municibid Payably MegamakIndustries
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18$25,000+50 - 249 employeesSan Antonio, TXEstablished in 1998, Stabilix Corporation is a midsize web development firm based in San Antonio, Texas and Kazhakkoottam, India. Their team offers Web Development and Mobile App Development.Read More
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19$5,000+250 - 999 employeesAustin, TXMidsize IT staff augmentation company Epidata SA, is in ACE, Argentina and Las Condes, Chile. The team provides IT staff augmentation and IT managed services.Read More
Industries
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