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Home API Development Canada Ontario

Top API Developers in Ontario

Ratings Updated: June 19, 2026
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2 Leaders 15 Contenders

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52 Companies

Country: Canada
Province: Ontario

List of the Top Ontario API Development Services

  • Therefore Logotype

    4.8 14 reviews
    $50,000+
    $150 - $199 / hr
    10 - 49
    Toronto, Canada

    Services provided

    25% API Development
    35% Custom Software Development
    15% Digital Strategy +2 services
    15% Web Design
    10% Web Development

    Therefore is a proficient digital solutions company specializing in web development, user experience design, and digital strategy. Across 100% of their reviews, Therefore is commended for their exceptional project management skills and ability to integrate seamlessly with clients’ teams. Approximately 85% of reviewers highlight their technical expertise and commitment to client success, while 75% note Therefore's quick understanding of client needs and delivery of innovative solutions on schedule.

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    Reviews mention Unique expertise

    Clients commend Therefore Interactive for their unique expertise in user experience design and website development. Notably, one client highlighted their impressive technical skills in managing complex projects and their agility in responding to tight deadlines. The company's ability to align with client needs and governance standards further reinforces their reputation. Overall, the sentiment is highly positive, with clients expressing satisfaction and noting the exceptional value and quality of work delivered.
    • Website Stabilization & Temporaty Fix for Walking Tour Co
      5.0 Mar 13, 2024

      We would recommend their team, their expertise and their company to anyone without hesitation. They were an exemplary partner providing top-notch communication and problem-solving. Timeliness of communication and desire to help us was most impressive.

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    • Web Design & Development for Communications Agency
      5.0 Oct 25, 2023

      We're impressed with their technical expertise in managing challenging situations, as well as their ability to respond quickly and ramp up efforts as needed. Therefore worked in agile sprints and were able to deliver each sprint on time. They responded quickly to changes and were able to meet very tight deadlines.

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    • Website Development for Ultrasound Imaging Manufacturer
      4.5 Jul 11, 2016

      The proposed architecture and construction of our site by Therefore Interactive was very impressive to me. Therefore Interactive's team tries to understand what our needs are. Compared to the other companies we approached, they did their homework at the proposal stage, trying to understand who we were as a client and what our needs were.

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    Industry Experience

    Therefore Interactive has demonstrated expertise across various industries, notably Manufacturing, Hospitality, Retail, Financial Services, and Arts. Clients commend their ability to enhance digital engagement, streamline operations, and improve user experience, reflecting strong project management and a collaborative approach. Overall sentiment is positive; clients appreciate their responsiveness, technical knowledge, and commitment to delivering tailored solutions, positioning Therefore as a reliable partner for businesses seeking digital transformation.

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    Select Industry to see insights

    Manufacturing Hospitality & leisure Other industries Advertising & marketing Retail Consumer Products Other Industry Politics Healthcare Financial services Software Arts, entertainment & music

    Average Project Cost Breakdown

    $50,000 to $199,999 (6) $10,000 to $49,000 (2) $200,000 to $999,999 (2)

    What Clients Have Said

    Clients consistently highlight Therefore Interactive's value for money, noting that their pricing aligns well with project budgets. For instance, one client emphasized the 'good value for cost' and another mentioned that their initial budget of $175,000 expanded due to the project's success. Overall sentiment reflects satisfaction with the quality of service received relative to the investment, with multiple reviews praising their expertise and responsiveness, contributing to a strong perception of cost-effectiveness.
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    Canada (13) United States (1)
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  • Proteus Development Logotype

    5.0 1 review
    $1,000+
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    15% API Development
    20% Business Consulting
    20% Compliance Consulting +8 services
    10% AR/VR Development
    10% Custom Software Development
    5% DevOps Managed Services
    5% Recruitment Process Outsourcing
    4% Application Management & Support
    4% Mobile App Development
    4% Web Development
    3% Enterprise App Modernization

    Proteus Development is an IT management company specializing in comprehensive IT solutions, including network management, software licensing, and security systems. The reviews reflect a 100% positive sentiment, emphasizing their accountability, dependability, and knowledge. Clients appreciate their responsiveness and alignment with company values, contributing to rapid business growth and efficiently meeting project deadlines.

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    Industry Experience

    Proteus Development has demonstrated expertise primarily in the Consulting industry, particularly around IT system management for engineering services. Feedback highlights their accountability, responsiveness, and knowledge as significant strengths. Clients appreciated their timely project delivery and effective communication. The overall sentiment is highly positive, suggesting that potential clients in the consulting sector seeking reliable IT solutions would find Proteus Development a strong fit for their projects.

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    Consulting

    Average Project Cost Breakdown

    $200,000 to $999,999 (1)

    What Clients Have Said

    Clients consistently commend Proteus Development for their competitive pricing and overall value for money. One client noted that the company's pricing fit their budget while also highlighting the 'great culture fit' and 'good value for cost.' Additionally, they emphasized Proteus's accountability and responsiveness as key factors in their satisfaction, indicating that the services provided were instrumental in their company's growth. Overall, the sentiment reflects a strong appreciation for the cost-effectiveness of Proteus Development's services.
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  • TimeTrex Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    50% API Development
    40% Custom Software Development
    10% Low/No Code Development

    TimeTrex, 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.

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    Toronto, Canada

    151 Yonge Street
    Toronto, Canada M5C 2W7

    6 - 9

    +1(800) 714-5153

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  • Coaldev Logotype

    5.0 3 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Toronto, Canada

    Services provided

    20% API Development
    25% AI Consulting
    20% AI Development +3 services
    20% Custom Software Development
    10% Web Development
    5% Generative AI

    Coaldev is a company specializing in API Development Services, focusing on creating digital and automated solutions such as CRM-integrated platforms. They have received 100% positive feedback, with clients highlighting their ability to understand and implement visions effectively while being responsive and delivering projects on time.

    See all 3 projects

    Reviews mention Communicative

    Clients have consistently praised Coaldev for their exceptional communication skills. One client noted, 'the team communicates the status and shares updates with me regularly,' ensuring clarity on project progress. Their ability to maintain open lines of communication through virtual meetings and messaging apps has been highlighted as a key strength. Overall, the sentiment regarding Coaldev's communicative nature is overwhelmingly positive, with no reported areas for improvement.
    • Web & Custom Software Dev for Decluttering Tool Company
      5.0 Feb 11, 2026

      Overall, their project management is very good. The team communicates the status and shares updates with me regularly, so I'm always clear on who is working on what and when it's due. We communicate via virtual meetings and email or messaging apps.

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    2 of 2 reviews are 5 stars
    1 new review for API Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 2 times in the past 6 months

    In recent reviews, clients commend Coaldev for their effective project management and alignment with company values. Notably, Sortsy praised their strategic thinking and timely communication, stating, 'They've delivered the MVP, a working product with active users.' Similarly, STS Marine Solutions highlighted their responsiveness and ability to understand project vision, noting, 'They delivered on time, providing additional resources as needed.' Overall, sentiment is overwhelmingly positive, with no areas for improvement mentioned.
    Read 2 Recent Reviews
    1 of 1 API Development reviews are 5 stars
    1 new review for API Development in past 6 months
    $10,000 – $49,000 avg. project cost

    API Development PROJECT HIGHLIGHT

    API & Web App Development & Design for Healthcare Company

    5.0 — Coaldev developed and designed two web apps that communicate via API for a healthcare company. The team created an open-source backend with authentication, a database, and API endpoints for the Read more
    Read 1 Review

    Industry Experience

    Coaldev has received positive feedback across various industries including marine services and information technology. In the marine sector, they excelled in creating automated tools that align with client visions, demonstrating strong project management and adaptability. In the IT space, they successfully developed AI-driven applications, showcasing their strategic thinking and ability to deliver complex projects. Overall, client sentiment is highly favorable, indicating Coaldev's expertise and reliability for clients in both industries.

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    Information technology
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  • NANANA Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    1,000 - 9,999
    Toronto, Canada

    Services provided

    100% API Development

    NANANA is a large API Development company founded in 2025. Their team specializes in API Development.

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  • Quantum Data Science Inc. Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% API Development
    20% AI Consulting
    20% BI & Big Data Consulting & SI +2 services
    20% Custom Software Development
    20% Generative AI

    Established 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.

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  • Comfygen Technologies Logotype

    4.9 9 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249
    Toronto, Canada

    Services provided

    10% API Development
    20% Mobile App Development
    14% Low/No Code Development +7 services
    10% Application Management & Support
    10% E-Commerce Development
    10% Generative AI
    10% IoT Development
    10% Web Development
    5% AR/VR Development
    1% Custom Software Development

    Comfygen Technologies is a versatile software development company specializing in mobile apps, blockchain, AI integration, and web development. Feedback highlights their technical expertise, responsive project management, and ability to meet deadlines, with 100% of reviews noting their professionalism and 75% praising their alignment with client needs and values. The company consistently exceeds expectations, delivering quality solutions across various industries.

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    Reviews mention Reliable

    Clients consistently noted Comfygen Technologies' reliability throughout their projects. Feedback highlighted their well-organized project management, timely delivery of milestones, and responsive communication. One client emphasized the team's quick adaptability to changes and additional requirements, stating they were 'reliable and easy to work with.' Overall, the sentiment reflects a strong trust in Comfygen's ability to deliver quality solutions while maintaining effective communication and support.
    • Blockchain Development for Digital Solutions Company
      4.5 Apr 8, 2026

      Additionally, the platform performed reliably with smooth integrations and minimal issues post-deployment. Overall, the solution met our expectations in terms of performance, security, and scalability. Their project management was well-organized and professional throughout the engagement. They followed a clear timeline and delivered milestones on schedule. Communication was smooth, and they were responsive to our queries and feedback. Whenever we had changes or additional requirements, their team was quick to adapt and provide solutions. Overall, they were reliable and easy to work with.

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    2 of 3 reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Reviewed 3 times in the past 6 months

    Over the past six months, Comfygen Technologies has received positive feedback for their technical expertise and project management. Clients praised their responsiveness and ability to deliver projects on time, notably in developing AI-driven solutions and robust blockchain systems. One client highlighted the impressive AI-powered recommendation engine that enhanced customer engagement, while another commended their blockchain development for its stability and scalability. Overall, Comfygen is viewed as a reliable partner, consistently exceeding expectations in communication and delivery.
    Read 3 Recent Reviews

    More responsive than most other service providers

    Comfygen Technologies is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    Toronto, Canada

    40 Tuxedo Court
    Toronto, Canada M1G 3S7

    21 - 30

    +1 579-977-4475

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  • Maverin Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Ottawa, Canada

    Services provided

    20% API Development
    20% Cloud Consulting & SI
    20% Cybersecurity +2 services
    20% ERP Consulting and SI
    20% IT Strategy Consulting

    Maverin is an IT strategy consulting company. Their team is in Ottawa, Canada. The company offers IT strategy consulting and cloud consulting & SI.

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  • Hammer Software Logotype

    Not yet reviewed

    Undisclosed
    $150 - $199 / hr
    2 - 9
    Hamilton, Canada

    Services provided

    20% API Development
    20% Custom Software Development
    20% IT Managed Services +2 services
    20% Other IT Consulting and SI
    20% Web Development

    Hammer Software, a small IT managed services company, is in Hamilton, Canada. Their services include IT managed services and other IT consulting and SI.

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  • MRS Company Ltd. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Toronto, Canada

    Services provided

    10% API Development
    20% BI & Big Data Consulting & SI
    20% Custom Software Development +5 services
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% ERP Consulting and SI
    10% IT Staff Augmentation
    10% Web Design

    Data analytics company MRS Company Ltd. Was founded in 1979. The agency focuses on BI & big data consulting & SI and cloud consulting & SI.

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  • WebCoreLab Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Toronto, Canada

    Services provided

    10% API Development
    20% Digital Strategy
    20% Web Development +5 services
    10% AI Agents
    10% Cybersecurity
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Generative AI

    WebCoreLab is a small Digital Strategy company launched in 2001. Their team offers Digital Strategy and Web Development.

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  • ServeSpark Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Ottawa, Canada

    Services provided

    20% API Development
    20% CRM Consulting and SI
    20% Custom Software Development +2 services
    20% E-Commerce Development
    20% Web Development

    ServeSpark, a CRM consulting and SI company, was established in 2020. The team offers CRM consulting and SI and Custom Software Development.

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  • Link Clicks Inc. Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Ottawa, Canada

    Services provided

    20% API Development
    20% Mobile App Development
    20% Web Development +3 services
    15% AI Development
    15% Custom Software Development
    10% AI Consulting

    API Development company Link Clicks Inc. Was launched in 2000. The firm offers API Development and Mobile App Development, and is small.

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  • STEP Software Inc. Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    London, Canada

    Services provided

    10% API Development
    15% AI Development
    15% Custom Software Development +8 services
    15% Enterprise App Modernization
    10% Mobile App Development
    10% Web Development
    5% AR/VR Development
    5% E-Commerce Development
    5% IoT Development
    5% Microservices Architecture Services
    5% Other Application Development

    STEP Software Inc. Is a software development firm founded in 2005. The small team offers Custom Software Development and Enterprise App Modernization.

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  • Core Migration Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49
    Ottawa, Canada

    Services provided

    10% API Development
    35% Enterprise App Modernization
    25% Custom Software Development +3 services
    15% IT Strategy Consulting
    10% Cloud Consulting & SI
    5% Application Management & Support

    Launched in 1997, Core Migration, a small Enterprise App Modernization company, is in Ottawa, Canada. Their team provides Enterprise App Modernization and Custom Software Development.

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  • Foscio Canada Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Vaughan, Canada

    Services provided

    20% API Development
    20% Custom Software Development
    20% IoT Development +2 services
    20% Mobile App Development
    20% Web Development

    Foscio Canada, a software development company, is based in Vaughan, Canada. Founded in 2017, the team offers Custom Software Development and Web Development.

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  • CJ Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Toronto, Canada

    Services provided

    15% API Development
    15% Web Development
    10% AI Development +6 services
    10% Blockchain
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% Mobile App Development
    10% Product Design
    10% Search Engine Optimization

    Founded in 2021, CJ Technologies is a web development company. Based in Toronto, Canada, the team focuses on Web Development and API Development.

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  • APS Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% API Development
    30% Custom Software Development
    20% Web Development +3 services
    10% AI Agents
    10% AI Development
    10% E-Commerce Development

    APS is a software development firm. They are based in Toronto, Canada, and their services include Custom Software Development and Web Development.

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  • StackdApps.io Logotype

    Not yet reviewed

    $100,000+
    $150 - $199 / hr
    10 - 49
    Toronto, Canada

    Services provided

    15% API Development
    35% E-Commerce Development
    25% Mobile App Development +2 services
    15% Custom Software Development
    10% Web Development

    StackdApps.io, an e-commerce development firm, is based in Toronto, Canada. The team focuses on E-Commerce Development and Mobile App Development.

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  • Parsedom Inc Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    St. Thomas, Canada

    Services provided

    15% API Development
    25% Custom Software Development
    25% Web Development +2 services
    20% Data Annotation Services
    15% Other Application Development

    Founded in 2021, Parsedom Inc is a software development company. The team offers Custom Software Development and Web Development.

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  • DataHen Canada Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    50% API Development
    50% BI & Big Data Consulting & SI

    DataHen 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.

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  • Nexus Level Advisor Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Toronto, Canada

    Services provided

    15% API Development
    35% Robotics Process Automation
    30% Business Consulting +2 services
    10% DevOps Managed Services
    10% Microservices Architecture Services

    Nexus Level Advisor, a Robotics Process Automation company, was launched in 2017. The firm offers Robotics Process Automation and Business Consulting.

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  • AMPLIFIED ANALYTICS Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    10 - 49
    Ottawa, Canada

    Services provided

    10% API Development
    60% Call Center Services
    10% AI Consulting +2 services
    10% Other Application Development
    10% Transcription

    AMPLIFIED 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.

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  • Zolux Solutions Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Windsor, Canada

    Services provided

    10% API Development
    20% Custom Software Development
    20% Search Engine Optimization +5 services
    20% Web Development
    10% E-Commerce Development
    10% Social Media Marketing
    5% Mobile & App Marketing
    5% UX/UI Design

    Founded 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.

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  • Novaio Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Mississauga, Canada

    Services provided

    10% API Development
    30% Custom Software Development
    20% Mobile App Development +3 services
    20% Web Development
    10% AI Development
    10% Blockchain

    Established in 2025, Novaio is a software development firm. The agency focuses on Custom Software Development and Web Development, and is small.

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  • Scale Selling Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Burlington, Canada

    Services provided

    10% API Development
    10% Branding
    10% Custom Software Development +12 services
    10% Fractional CMO Services
    10% Web Development
    5% AI Agents
    5% AI Development
    5% Advertising
    5% Content Marketing
    5% Conversion Optimization
    5% Digital Strategy
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Web Design

    Scale Selling is a website development firm. The Burlington, Canada-based agency was launched in 2021. Their team specializes in Web Development and Custom Software Development.

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  • Mindlab Inc Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    2 - 9
    Markham, Canada

    Services provided

    10% API Development
    15% AI Consulting
    15% AI Development +6 services
    10% Custom Software Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Generative AI
    10% Mobile App Development
    10% Web Development

    Mindlab Inc specializes in providing AI-driven solutions, including personalized learning platforms for educational applications. Reviews highlight their ability to increase student engagement and improve learning outcomes through innovative AI features. Clients commend their effective project management, timely delivery, and excellent communication, though some suggest that offering more proactive insights could enhance their service.

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  • Made By Logic Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Toronto, Canada

    Services provided

    10% API Development
    20% Custom Software Development
    20% Web Development +5 services
    10% AI Agents
    10% AI Development
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design

    Made By Logic, a small custom software development firm, is headquartered in Toronto, Canada. Their services include Custom Software Development and Web Development.

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  • CML Team LTD Logotype

    5.0 20 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Toronto, Canada

    Services provided

    10% API Development
    30% Web Development
    25% Mobile App Development +2 services
    20% Blockchain
    15% IT Staff Augmentation

    CML Team LTD is a company specializing in API Development Services, including API Integration and Web Service Development. Reviews highlight the company's customer-focused approach and exceptional project management, with 100% of reviewers noting satisfaction with the results. Although praised for delivering high-quality API solutions, 20% mention a minor area for improvement in developers' English communication skills.

    See all 20 projects

    Reviews mention High-quality work

    CML Team LTD consistently receives high praise for delivering high-quality work across various projects. Clients highlight their exceptional attention to detail and goal-oriented approach, stating they provide 'perfect quality work' and significantly streamline processes. One client noted their ability to create a PowerPoint add-in that enhanced design workflows, while another emphasized the team's 'strong expertise' in FinTech. Overall, feedback reflects a strong commitment to excellence, with suggestions for improved proactive communication on potential risks.
    • Blockchain Microservices & Web3 Dev for Sports Tech Company
      5.0 Aug 25, 2022

      In the matter of weeks CML Team were able to build a POC microservice and then over the next month polish it to the perfection. Most impressive about the CML Team is their perfectionism to the details which is a key in blockchain space and with no tradeoff on losing the flexibility to deliver the product quicker to the market.

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    • Custom Software Dev for Payment Platform
      5.0 Aug 24, 2022

      CML Team supports us with backend and blockchain development with quite a diverse expertise in technologies such as Java, Spring, web3j, and profound knowledge of the crypto industry. In a matter of weeks, CML Team was able to build a POC microservice and then over the next month polish it to perfection. They pay close attention to detail and deliver perfect quality work.

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    • Software & Middleware Development for IT Company
      5.0 Aug 12, 2020

      We had successfully delivered the main project and a number of follow-up projects to the clients’ production environment. The delivery to the clients’ production environment was of the highest quality and in time. Furthermore, we were amazed by the quality and speed of the delivery they had provided.

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    • Custom PowerPoint Add-In for AI Design Company
      5.0 Sep 11, 2025

      CML Team LTD consistently delivers high-quality work, demonstrating strong commitment, teamwork, and a drive for excellence. They are dedicated team players who continuously strive to master the agile approach, aiming to become great where being good is not enough.

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    1 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent reviews of CML Team LTD reflect a highly positive sentiment, particularly highlighting their strong problem-solving skills and technical expertise in AI integration. Clients praised their ability to deliver robust web and mobile applications on time, as well as their effective communication during the project. Specific instances include the successful development of a multi-agent system and resilient scraping infrastructure, which significantly enhanced operational efficiency. Suggestions for improvement include a continued focus on innovation and proactive communication.
    Read 1 Recent Review
    1 of 1 API Development reviews are 5 stars
    Unknown avg. project cost

    API Development PROJECT HIGHLIGHT

    Web Development for Language Service Provider

    5.0 — A translation service provider hired CML Team LTD to improve their pass-thru algorithm, build a prototype for OPI/VRI solutions, and optimize their app. Read more
    Read 1 Review

    Toronto, Canada

    1 University Avenue
    Toronto, Canada M5J 2P1

    2 - 5

    +1-437-989-7493

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  • VM Computec Inc. Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Richmond Hill, Canada

    Services provided

    10% API Development
    20% Cloud Consulting & SI
    20% Enterprise App Modernization +5 services
    15% DevOps Managed Services
    15% IT Managed Services
    10% Microservices Architecture Services
    5% Custom Software Development
    5% Web Development

    VM Computec Inc. Is a small Richmond Hill, Canada-based cloud consulting & SI company. The team provides cloud consulting & SI and Enterprise App Modernization.

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  • Crafting Clouds Solutions Inc. Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    Freelancer
    East Gwillimbury, Canada

    Services provided

    25% API Development
    20% Custom Software Development
    20% IT Strategy Consulting +3 services
    15% Business Consulting
    10% Low/No Code Development
    10% Web Design

    Crafting 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.

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  • Idextrus Inc. Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Collingwood, Canada

    Services provided

    10% API Development
    25% Cloud Consulting & SI
    15% Custom Software Development +5 services
    15% E-Commerce Development
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% Web Development
    5% Computer Engineering

    Idextrus 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.

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  • SFWeb Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Toronto, Canada

    Services provided

    35% API Development
    35% Web Development
    30% Digital Strategy

    Small web development firm SFWeb, is in Toronto, Canada. Their services include Web Development and API Development.

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  • Arctiq Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Toronto, Canada

    Services provided

    10% API Development
    10% Application Testing
    10% Cybersecurity +7 services
    10% DevOps Managed Services
    10% Digital Engineering
    10% IT Managed Services
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% IoT Development
    10% Unified Communications Consulting & SI

    Launched in 2015, Arctiq is a midsize IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.

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    Toronto, Canada

    80 Richmond St W Suite 300
    Toronto, Canada M5H 2A3

    151 - 200

    905.625.6471

    See All Locations (2)
    View Profile
  • Yeeboo Digital Logotype

    Not yet reviewed

    $10,000+
    $200 - $300 / hr
    10 - 49
    Belleville, Canada

    Services provided

    10% API Development
    30% Performance Marketing
    15% Web Design +4 services
    15% Web Development
    10% AI Consulting
    10% Digital Strategy
    10% Email Marketing

    Yeeboo Digital, a Performance Marketing company, was established in 2010. Headquartered in Belleville, Canada, the team provides Performance Marketing and Web Design.

    Read more
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  • Sodelia Inc. Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Toronto, Canada

    Services provided

    15% API Development
    25% AI Development
    20% Custom Software Development +3 services
    20% Mobile App Development
    10% Microservices Architecture Services
    10% Web Design

    Custom software development firm Sodelia Inc. Focuses on Custom Software Development and Artificial Intelligence. They are in Toronto, Canada.

    Read more
    View Profile
  • Vuroom Technologies Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Toronto, Canada

    Services provided

    30% API Development
    30% Custom Software Development
    15% Enterprise App Modernization +3 services
    10% Microservices Architecture Services
    10% Web Development
    5% Application Management & Support

    Vuroom Technologies, a software development firm, was launched in 2026. They provides Custom Software Development and API Development.

    Read more
    View Profile
  • Software Development Hub Logotype

    5.0 7 reviews
    $25,000+
    $25 - $49 / hr
    50 - 249
    Ottawa, Canada

    Services provided

    10% API Development
    50% Custom Software Development
    20% Web Development +2 services
    15% DevOps Managed Services
    5% AI Development

    Software Development Hub is a reputed company specializing in API Development Services, including API design, endpoint development, and third-party integrations. They are praised for their professionalism, reliability, and timely delivery, with 100% positive feedback highlighting their exceptional project management and open communication, which ensures seamless collaboration and successful API solutions.

    See all 7 projects
    1 of 1 API Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    API Development PROJECT HIGHLIGHT

    API Design & Dev for Digital Marketing Agency

    5.0 — Software Development Hub developed an internal API for a digital marketing agency and connected it to the client's CRM system. They also designed API endpoints and third-party integrations with SEO Read more
    Read 1 Review

    Industry Experience

    Software Development Hub has demonstrated expertise in the Software and Advertising & Marketing industries. Clients commend their professionalism, responsiveness, and commitment to quality. In Software, they excel in full product development and ERP solutions, ensuring rapid deployment and scalability. In Advertising & Marketing, they are noted for efficient MVP development and API integrations. Overall sentiment is highly positive, highlighting their adaptability and strong project management skills, making them a suitable partner for organizations in these sectors.

    Read All Reviews

    Select Industry to see insights

    Software Advertising & marketing

    Ottawa, Canada

    7 Bayview Station Road
    Ottawa, Canada K1Y 2C5

    2 - 5

    See All Locations (3)
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  • Buildnetic Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Timmins, Canada

    Services provided

    10% API Development
    25% Web Development
    20% Custom Software Development +5 services
    15% IT Staff Augmentation
    15% Mobile App Development
    5% AI Development
    5% Application Testing
    5% Cloud Consulting & SI

    Buildnetic 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

    Timmins, Canada

    649 Riverpark Road
    Timmins, Canada P4P 1B3

    16 - 20

    +65 87993124

    See All Locations (4)
    View Profile
  • AFU SYSTEMS INC. Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Milton, Canada

    Services provided

    10% API Development
    50% Web Development
    10% Blockchain +3 services
    10% DevOps Managed Services
    10% IT Managed Services
    10% Mobile App Development

    AFU SYSTEMS INC. Is a small Karachi, Pakistan-based website development company. The team offers Web Development and IT managed services.

    Read more

    Milton, Canada

    347 Primrose Crescent
    Milton, Canada L9T 2X5

    2 - 5

    +1 315 658 6058

    See All Locations (2)
    View Profile
  • Raddiz Technologies Inc. Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Toronto, Canada

    Services provided

    15% API Development
    40% CRM Consulting and SI
    40% Low/No Code Development +1 service
    5% ERP Consulting and SI

    Raddiz 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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  • SoftwareXprts Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Brampton, Canada

    Services provided

    10% API Development
    10% Call Center Services
    10% Custom Software Development +8 services
    10% E-Commerce Development
    10% Mobile App Development
    10% Robotics Process Automation
    10% Sales Outsourcing
    10% Web Design
    10% Web Development
    5% Digital Strategy
    5% Search Engine Optimization

    Launched in 2013, SoftwareXprts is a web design company. The team focuses on Web Design and Custom Software Development.

    Read more
    View Profile
  • ContentLab Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Toronto, Canada

    Services provided

    10% API Development
    20% Content Marketing
    20% Corporate Training & Coaching +5 services
    10% AI Development
    10% Content Writing Services
    10% DevOps Managed Services
    10% IoT Development
    10% Microservices Architecture Services

    Content Marketing company ContentLab was launched in 2018. The midsize team focuses on Content Marketing and Corporate Training & Coaching.

    Read more
    View Profile
  • Mand Consulting Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    10% API Development
    40% Application Testing
    20% Cybersecurity +3 services
    10% DevOps Managed Services
    10% IT Managed Services
    10% IoT Development

    Mand Consulting Group is a small Application Testing company headquartered in Toronto, Canada. The team specializes in Application Testing and Cybersecurity.

    Read more
    View Profile
  • iTechtions Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    10% API Development
    20% DevOps Managed Services
    20% IT Strategy Consulting +5 services
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% IT Managed Services
    10% IoT Development

    ITechtions 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
    View Profile
  • SrinSoft Inc Logotype

    Not yet reviewed

    $100,000+
    $25 - $49 / hr
    250 - 999
    Toronto, Canada

    Services provided

    15% API Development
    25% Custom Software Development
    20% Application Testing +2 services
    20% DevOps Managed Services
    20% IT Strategy Consulting

    SrinSoft 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

    Toronto, Canada

    55 York Street, Suite 401,
    Toronto, Canada M5J 1R7

    1

    See All Locations (4)
    View Profile
  • Vetesys Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Windsor, Canada

    Services provided

    20% API Development
    80% Application Testing

    Launched in 2021, Vetesys is an Application Testing company. The small team focuses on Application Testing and API Development.

    Read more
    View Profile
  • Sora Media Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Toronto, Canada

    Services provided

    20% API Development
    20% Branding
    20% Product Design +2 services
    20% Robotics Process Automation
    20% Search Engine Optimization

    Sora Media is a small branding agency based in Toronto, Canada. The team focuses on Branding and Search Engine Optimization.

    Read more
    View Profile
  • TechHighway Systems Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Oakville, Canada

    Services provided

    10% API Development
    20% Web Development
    10% Application Testing +6 services
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Sales Outsourcing
    10% Search Engine Optimization

    Launched 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
    View Profile
  • Exavalu Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Toronto, Canada

    Services provided

    10% API Development
    20% IT Strategy Consulting
    15% CRM Consulting and SI +5 services
    15% ERP Consulting and SI
    10% AI Development
    10% Business Consulting
    10% Compliance Consulting
    10% Sales Outsourcing

    Exavalu is an IT strategy consulting company. Launched in 2018, the agency offers IT strategy consulting and CRM consulting and SI.

    Read more

    Toronto, Canada

    55 York Street, Suite 401
    Toronto, Canada M5J 1R7

    2 - 5

    See All Locations (3)
    View Profile

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1 Therefore
2 Proteus Development

List of the Top 2 Ontario API Development Services

  1. Therefore Logotype

    Therefore

    $50,000+
    $150 - $199 / hr
    10 - 49
    Toronto, Canada

    Ability to deliver

    34.1/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    7.9/10 Market Presence

    Service focus

    25% API Development
    75% Other
    View Profile Visit Website
  2. Proteus Development Logotype

    Proteus Development

    $1,000+
    Undisclosed
    10 - 49
    Toronto, Canada

    Ability to deliver

    26.6/40.0
    16.4/20 Reviews
    6.2/10 Clients & Experience
    4/10 Market Presence

    Service focus

    15% API Development
    85% Other
    View Profile Visit Website
  3. TimeTrex Logotype

    TimeTrex

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Ability to deliver

    9.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    50% API Development
    50% Other
    View Profile Visit Website
  4. Coaldev Logotype

    Coaldev

    $10,000+
    $50 - $99 / hr
    10 - 49
    Toronto, Canada

    Ability to deliver

    26.4/40.0
    17/20 Reviews
    4.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  5. NANANA Logotype

    NANANA

    $10,000+
    $100 - $149 / hr
    1,000 - 9,999
    Toronto, Canada

    Ability to deliver

    5.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    100% API Development
    View Profile Visit Website
  6. Quantum Data Science Inc. Logotype

    Quantum Data Science Inc.

    $10,000+
    $100 - $149 / hr
    2 - 9
    Toronto, Canada

    Ability to deliver

    8.6/40.0
    0/20 Reviews
    4.6/10 Clients & Experience
    4/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  7. Comfygen Technologies Logotype

    Comfygen Technologies

    $1,000+
    $25 - $49 / hr
    50 - 249
    Toronto, Canada

    Ability to deliver

    29.5/40.0
    17.2/20 Reviews
    4.7/10 Clients & Experience
    7.6/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  8. Maverin Logotype

    Maverin

    Undisclosed
    Undisclosed
    10 - 49
    Ottawa, Canada

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  9. Hammer Software Logotype

    Hammer Software

    Undisclosed
    $150 - $199 / hr
    2 - 9
    Hamilton, Canada

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  10. MRS Company Ltd. Logotype

    MRS Company Ltd.

    Undisclosed
    Undisclosed
    50 - 249
    Toronto, Canada

    Ability to deliver

    5.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  11. WebCoreLab Logotype

    WebCoreLab

    $1,000+
    $25 - $49 / hr
    10 - 49
    Toronto, Canada

    Ability to deliver

    5.4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.4/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  12. ServeSpark Logotype

    ServeSpark

    $1,000+
    $50 - $99 / hr
    2 - 9
    Ottawa, Canada

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  13. Link Clicks Inc. Logotype

    Link Clicks Inc.

    $1,000+
    $50 - $99 / hr
    2 - 9
    Ottawa, Canada

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  14. STEP Software Inc. Logotype

    STEP Software Inc.

    $10,000+
    $100 - $149 / hr
    10 - 49
    London, Canada

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  15. Core Migration Logotype

    Core Migration

    $25,000+
    $100 - $149 / hr
    10 - 49
    Ottawa, Canada

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% API Development
    90% Other
    View Profile Visit Website
  16. Foscio Canada Logotype

    Foscio Canada

    Undisclosed
    Undisclosed
    10 - 49
    Vaughan, Canada

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    20% API Development
    80% Other
    View Profile Visit Website
  17. CJ Technologies Logotype

    CJ Technologies

    Undisclosed
    Undisclosed
    2 - 9
    Toronto, Canada

    Ability to deliver

    4.6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    15% API Development
    85% Other
    View Profile Visit Website

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