Top 30 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$50,000+10 - 49 employeesToronto, CanadaRead More
Software development firm Therefore is in Toronto, Canada. The small team focuses on Custom Software Development, API Development, Digital Strategy, Web Design, and more. The agency was established in 2003.
Clients
Goway Travel Rocky Mountaineer DuVine CyclingIndustries
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2Undisclosed2 - 9 employeesHamilton, CanadaHammer Software, a small IT managed services company, is in Hamilton, Canada. Their services include IT managed services and other IT consulting and SI.Read More
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3$5,000+10 - 49 employeesMilton, CanadaAFU SYSTEMS INC. Is a small Karachi, Pakistan-based website development company. The team offers Web Development and IT managed services.Read More
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4$1,000+10 - 49 employeesToronto, CanadaWeb design company Proteus Development was founded in 2017. Their small team is located in Toronto, Canada and Dallas, Texas. Their services include web design, custom software development, and web development.Read More
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5$10,000+10 - 49 employeesToronto, CanadaCML Team LTD, a website development firm, is based in Kington, England; Toronto, Canada and Matosinhos, Portugal. The small team provides Web Development, Mobile App Development, Blockchain, IT staff augmentation, and more and was established in 2018.Read More
Clients
CryptoTax.ioIndustries
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6$10,000+10 - 49 employeesToronto, CanadaCoaldev is an AI Consulting company. Launched in 2018, the team specializes in AI Consulting, Custom Software Development, Artificial Intelligence, API Development, and more. Their small company is Toronto, Canada-based.Read More
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7$1,000+50 - 249 employeesToronto, CanadaComfygen Technologies is a mobile application development company in Jaipur, India; Euskirchen, Germany and Toronto, Canada. They provide Mobile App Development, Low/No Code Development, Web Development, E-Commerce Development, and more and were founded in 2015.Read More
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8Undisclosed10 - 49 employeesToronto, CanadaTimeTrex, a software development firm and API Development company, offers Custom Software Development and API Development. The agency is based in Vancouver, Canada and Toronto, Canada.Read More
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9Undisclosed50 - 249 employeesToronto, CanadaData analytics company MRS Company Ltd. Was founded in 1979. The agency focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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10$10,000+1,000 - 9,999 employeesToronto, CanadaNANANA is a large API Development company founded in 2025. Their team specializes in API Development.Read More
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11$1,000+10 - 49 employeesBrampton, CanadaLaunched in 2013, SoftwareXprts is a web design company. The team focuses on Web Design and Custom Software Development.Read More
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12$10,000+2 - 9 employeesToronto, CanadaEstablished in 2015, Quantum Data Science Inc. Is a small business intelligence company in Toronto, Canada. Their team offers BI & big data consulting & SI and Custom Software Development.Read More
Clients
Xplore Sirius XM Familia Fine Foods Inc. Ananda Inc -
13$5,000+10 - 49 employeesMississauga, CanadaEstablished in 2025, Novaio is a software development firm. The agency focuses on Custom Software Development and Web Development, and is small.Read More
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14$100,000+250 - 999 employeesToronto, CanadaSrinSoft Inc is a custom software development firm. Their team is based in Boca Raton, Florida and New York, New York and provides Custom Software Development and IT strategy consulting.Read More
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15Undisclosed10 - 49 employeesToronto, CanadaDataHen Canada Inc. Is a data analytics company and API Development company in Toronto, Canada. Their services include BI & big data consulting & SI and API Development.Read More
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16Undisclosed10 - 49 employeesVaughan, CanadaFoscio Canada, a software development company, is based in Vaughan, Canada. Founded in 2017, the team offers Custom Software Development and Web Development.Read More
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17$1,000+2 - 9 employeesToronto, CanadaNexus Level Advisor, a Robotics Process Automation company, was launched in 2017. The firm offers Robotics Process Automation and Business Consulting.Read More
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18$100,000+10 - 49 employeesToronto, CanadaStackdApps.io, an e-commerce development firm, is based in Toronto, Canada. The team focuses on E-Commerce Development and Mobile App Development.Read More
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19Undisclosed10 - 49 employeesOakville, CanadaLaunched in 2008, TechHighway Systems Inc. Is a small Oakville, Canada-based web development firm. Their services include Web Development and Search Engine Optimization.Read More
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20$1,000+2 - 9 employeesToronto, CanadaAPS is a software development firm. They are based in Toronto, Canada, and their services include Custom Software Development and Web Development.Read More
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21$10,000+2 - 9 employeesToronto, CanadaCustom software development firm Sodelia Inc. Focuses on Custom Software Development and Artificial Intelligence. They are in Toronto, Canada.Read More
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22Undisclosed2 - 9 employeesToronto, CanadaFounded in 2021, CJ Technologies is a web development company. Based in Toronto, Canada, the team focuses on Web Development and API Development.Read More
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23$1,000+2 - 9 employeesToronto, CanadaRaddiz Technologies Inc. Is a CRM consulting and SI company launched in 2017. The agency offers CRM consulting and SI and Low/No Code Development, and is small.Read More
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24$1,000+2 - 9 employeesMarkham, CanadaArtificial intelligence firm Mindlab Inc is based in Markham, Canada. They offer Artificial Intelligence, ai consulting, custom software development, web development, and more and were launched in 2019.Read More
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25Undisclosed250 - 999 employeesToronto, CanadaLaunched in 2015, Arctiq is a midsize IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.Read More
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26Undisclosed250 - 999 employeesToronto, CanadaExavalu is an IT strategy consulting company. Launched in 2018, the agency offers IT strategy consulting and CRM consulting and SI.Read More
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27Undisclosed2 - 9 employeesToronto, CanadaSora Media is a small branding agency based in Toronto, Canada. The team focuses on Branding and Search Engine Optimization.Read More
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28Undisclosed50 - 249 employeesToronto, CanadaContent Marketing company ContentLab was launched in 2018. The midsize team focuses on Content Marketing and Corporate Training & Coaching.Read More
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29Undisclosed10 - 49 employeesToronto, CanadaITechtions Inc. Is an IT strategy consulting company. Their team is located in Toronto, Canada. The agency provides IT strategy consulting and DevOps Managed Services.Read More
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30Undisclosed10 - 49 employeesToronto, CanadaMand Consulting Group is a small Application Testing company headquartered in Toronto, Canada. The team specializes in Application Testing and Cybersecurity.Read More
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