Top 20 API Development Services
The Best of June 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$10,000+50 - 249 employeesCape Town, South AfricaRead More
Haefele Software is a midsize Cape Town, South Africa-based software development company. They focus on Custom Software Development, Enterprise App Modernization, Web Development, API Development, and more and were founded in 2006.
Clients
Tesco Burger King AS Watson Group PikmykidIndustries
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2$5,000+10 - 49 employeesGqeberha, South AfricaIn Gqeberha, South Africa, Solv Systems is a small data analytics company. Launched in 2024, the team provides BI & big data consulting & SI, IT staff augmentation, and API Development.Read More
Industries
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3$10,000+10 - 49 employeesCape Town, South AfricaWeb2Web is a web design agency based in Cape Town, South Africa. Founded in 2009, the team provides Web Design and Web Development.Read More
Industries
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4$10,000+10 - 49 employeesPretoria, South AfricaTegra Solutions (Pty) Ltd is an API Development company. Based in Pretoria, South Africa, the firm specializes in API Development and Cybersecurity.Read More
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5$25,000+50 - 249 employeesPretoria, South AfricaPepla is a custom software development company. They are based in Pretoria, South Africa and have midsize team. They offer Custom Software Development and Mobile App Development.Read More
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6Undisclosed2 - 9 employeesSandton, South AfricaWDS Creative is a website development company. Founded in 2010, the team specializes in Web Development and Custom Software Development. The agency is in Sandton, South Africa.Read More
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7$1,000+2 - 9 employeesCenturion, South AfricaSwart Digital Limited is a web design agency. The Centurion, South Africa-based firm offers Web Design and API Development.Read More
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8$5,000+50 - 249 employeesCape Town, South AfricaHeadquartered in Cape Town, South Africa, Byte Orbit is a midsize software development firm. Their services include Custom Software Development and Web Development.Read More
Industries
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9$1,000+2 - 9 employeesJohannesburg South, South AfricaGVVA is an AI Agents company. Their small team is located in Johannesburg South, South Africa and offers AI Agents and API Development. The company was launched in 2025.Read More
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10Undisclosed50 - 249 employeesMidrand, South AfricaBirch Group Technologies is an IT strategy consulting company. They are based in Midrand, South Africa and have midsize team. They provide IT strategy consulting and Custom Software Development.Read More
Industries
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11Undisclosed10 - 49 employeesJohannesburg, South AfricaAFCONTECH is an AI firm. They were founded in 2025, and their services include Artificial Intelligence and Custom Software Development.Read More
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12$1,000+2 - 9 employeesVosloorus, South AfricaSocial media marketing firm TURNUP PIN was established in 2016. The agency offers Social Media Marketing and Search Engine Optimization, and is small.Read More
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13Undisclosed10 - 49 employeesuMhlanga, South AfricaDesignative (PTY) LTD is a cloud consulting & SI company. They were established in 2016, and their services include cloud consulting & SI and Custom Software Development.Read More
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14$10,000+10 - 49 employeesSandton, South AfricaMkhaya MK is a big data analytics company. Established in 2014, the firm is based in Sandton, South Africa. Their services include BI & big data consulting & SI and ERP consulting and SI.Read More
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15Undisclosed10 - 49 employeesSandton, South AfricaPkasti is an IT strategy consulting company. Their team is in Sandton, South Africa and Pune, India. The agency focuses on IT strategy consulting and cloud consulting & SI.Read More
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16$1,000+2 - 9 employeesSandton, South AfricaKSELABS, a small mobile application development firm, is located in Sandton, South Africa. The team provides Mobile App Development and Web Development.Read More
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17$10,000+10 - 49 employeesBerea, South AfricaTranarc is a mobile application development company founded in 2022. The firm specializes in Mobile App Development and API Development, and is small.Read More
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18$5,000+2 - 9 employeesDurban North, South AfricaBranding firm UXridge is based in Durban North, South Africa. The agency offers branding, custom software development, blockchain, application testing, and more and is small.The agency was launched in 2016.Read More
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19Undisclosed1,000 - 9,999 employeesCape Town, South AfricaIT strategy consulting company Excis Compliance was established in 2001. The team provides IT strategy consulting and cloud consulting & SI and is in Bracknell, England and Navi Mumbai, India.Read More
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20$5,000+2 - 9 employeesCape Town, South AfricaDecode Development is a small website development firm. They specialize in Web Development, Mobile App Development, API Development, and Application Management & Support and were founded in 2020.Read More
Industries
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21UndisclosedFreelancer employeesSandton, South AfricaHeadquartered in Sandton, South Africa, NT & O Analytics is a cloud consulting & SI company. The team provides cloud consulting & SI and API Development.Read More
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22$5,000+2 - 9 employeesCape Town, South AfricaPuzzl Media, a website development company, is located in Cape Town, South Africa. Established in 2021, the team provides Web Development and Mobile App Development.Read More
Industries
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23$1,000+2 - 9 employeesVanderbijlpark, South AfricaSmall web development firm Clevra, is located in Vanderbijlpark, South Africa. The team offers Web Development and Custom Software Development.Read More
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