Top 10 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$1,000+2 - 9 employeesEllicott City, MDBooliant is a cloud consulting & SI company. The small Ellicott City, Maryland-based team specializes in cloud consulting & SI and IT staff augmentation. The agency was founded in 2025.Read More
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2Undisclosed10 - 49 employeesOxford, MDRedkik, Inc is a custom software development company founded in 2020. The team focuses on Custom Software Development and Insurance Services & Brokers and is located in Oxford, Maryland.Read More
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3Undisclosed2 - 9 employeesEllicott City, MDEstablished in 2010, DGK Technologies is a custom software development company. The company provides Custom Software Development and Web Development, and is small.Read More
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4Undisclosed2 - 9 employeesBaltimore, MDOctave Technologies Corporation is a cloud consulting & SI company. Their small team is located in Baltimore, Maryland. Their services include cloud consulting & SI and API Development.Read More
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5Undisclosed2 - 9 employeesBel Air, MDProfessional Play Ground, a website development company, was established in 2015. Located in Bel Air, Maryland, the team focuses on Web Development and Mobile App Development.Read More
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6UndisclosedFreelancer employeesColumbia, MDPUSH 2 STREAM Inc. Is a video production agency founded in 2020. Their services include Video Production and Custom Software Development.Read More
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7Undisclosed10 - 49 employeesRockville, MDIn Rockville, Maryland, Optimoz, Inc. Is a big data analytics company. Established in 2013, the team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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8Undisclosed10 - 49 employeesColumbia, MDMokxa Technologies, LLC is a Cybersecurity company established in 2013. Their services include Cybersecurity and UX/UI Design.Read More
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9Undisclosed10 - 49 employeesWestminster, MDOpen Professional Group is a Westminster, Maryland-based branding firm. Their services include Branding and UX/UI Design.Read More
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10Undisclosed2 - 9 employeesHagerstown, MDAIN, LLC is an user experience design company. They are headquartered in Hagerstown, Maryland. Their team focuses on UX/UI Design and IT strategy consulting.Read More
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11Undisclosed2 - 9 employeesBaltimore, MDNightshift Creative is a branding company. They specialize in Branding and Content Marketing and were launched in 2017.Read More
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12UndisclosedFreelancer employeesRockville, MDCDF Web Solutions, a web development firm, was established in 2005. The team specializes in Web Development and Mobile App Development.Read More
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13UndisclosedFreelancer employeesOdenton, MDHeadquartered in Odenton, Maryland, Millennium International Consulting, Inc. Is a custom software development firm. The team provides Custom Software Development and Web Design.Read More
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14UndisclosedFreelancer employeesRockville, MDFounded in 1990, Words To Web, Inc. Is a social media marketing company. The agency specializes in Social Media Marketing and Content Marketing.Read More
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