Top 80 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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31$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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32$5,000+10 - 49 employeesTrois-Rivières, CanadaFixrs is an IT strategy consulting company founded in 2019. Located in Trois-Rivières, Canada, the team focuses on IT strategy consulting and cloud consulting & SI.Read More
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33$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
Industries
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34$5,000+2 - 9 employeesWinnipeg, CanadaAparat Technologies + Communications is a small Winnipeg, Canada-based website development company. Their services include Web Development and Application Management & Support.Read More
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35$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
Industries
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36$10,000+10 - 49 employeesOttawa, CanadaAMPLIFIED ANALYTICS is a call center. Established in 2019, the company is based in Ottawa, Canada. Their services include Call Center Services and Other Application Development.Read More
Industries
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37$1,000+10 - 49 employeesWindsor, CanadaFounded in 2022, Zolux Solutions is a SEO services firm. In Windsor, Canada and Brooklyn, New York, the team specializes in Search Engine Optimization and Custom Software Development.Read More
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38$5,000+10 - 49 employeesCalgary, CanadaKvinivel Inc. Is a software development company. Based in Calgary, Canada, their small team specializes in Custom Software Development and Web Development. The agency was founded in 2023.Read More
Industries
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39$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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40$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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41Undisclosed10 - 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
Industries
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42$5,000+10 - 49 employeesSaint-Roch-de-Richelieu, CanadaSoftware development firm DevActif was launched in 2020. Their small team is located in Saint-Roch-de-Richelieu, Canada. DevActif specializes in custom software development, web development, mobile app development, e-commerce development, and more.Read More
Clients
City of Trois-RivièresIndustries
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43$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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44$5,000+2 - 9 employeesVancouver, CanadaKSN Digital Service LLP is a software development firm headquartered in Vancouver, Canada. The small team specializes in Custom Software Development, UX/UI Design, E-Commerce Development, Web Development, and more. The company was founded in 2022.Read More
Industries
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45$5,000+Freelancer employeesEast Gwillimbury, CanadaCrafting Clouds Solutions Inc. Is a software development company launched in 2023. Based in East Gwillimbury, Canada, the team provides Custom Software Development and API Development.Read More
Industries
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46$25,000+2 - 9 employeesCollingwood, CanadaIdextrus Inc. Is a cloud consulting & SI company. The team is located in Collingwood, Canada, and their services include cloud consulting & SI and Custom Software Development.Read More
Clients
La Tienda Inc.Industries
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47Undisclosed50 - 249 employeesVancouver, CanadaSEOMoz, Inc. Is a SEO company. They were founded in 2003 and focus on Search Engine Optimization and Pay Per Click.Read More
Industries
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48$10,000+10 - 49 employeesLaval, CanadaTAINOSYSTEMS CANADA INC is a web design company. Launched in 2017, the team specializes in Web Design and Custom Software Development.Read More
Industries
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49$10,000+2 - 9 employeesMontréal, CanadaHelix DevWorks Inc. Is a Montréal, Canada-based web development company. Founded in 2025, the team provides Web Development and API Development.Read More
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50Undisclosed10 - 49 employeesVancouver, CanadaExact Payments is a small Back Office Outsourcing company launched in 1999. Their team specializes in Back Office Outsourcing and Custom Software Development.Read More
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51$5,000+50 - 249 employeesTimmins, CanadaBuildnetic is a web development company. The agency is based in Singapore, Singapore and Harrow, England. Their team offers Web Development and Custom Software Development.Read More
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52$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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53$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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54$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
Industries
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55Undisclosed250 - 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
Industries
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56$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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57Undisclosed250 - 999 employeesWinnipeg, CanadaEngineering company JMT Consultants Inc. Is based in Atlanta, Georgia and Winnipeg, Canada. They provide Engineering and Commercial Development.Read More
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58Undisclosed2 - 9 employeesVancouver, CanadaIn Vancouver, Canada, Payfirma is a Back Office Outsourcing company. They specialize in Back Office Outsourcing and E-Commerce Development.Read More
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59Undisclosed2 - 9 employeesVancouver, CanadaFounded in 2018, Clearly Payments is a Back Office Outsourcing company. Based in Vancouver, Canada, the team focuses on Back Office Outsourcing and E-Commerce Development.Read More
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60$10,000+2 - 9 employeesBrandon, CanadaSmall custom software development firm Bytesavy Technologies, is located in Brandon, Canada. The team specializes in Custom Software Development and Mobile App Development.Read More
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