Top API Development & Integration Companies

A high-performing API Development & Integration solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading API Development & Integration companies around the globe. Every profile sets out services, pricing, locations, and past work so you can compare on evidence. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

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List of the Best API Development & Integration Agencies

  1. Therefore logo
    ThereforeProfile set up by Edverise AI
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    For more than 20 years, Therefore has collaborated with premier organizations in sectors such as travel and hospitality, the arts, fintech, education, and government. Our client roster includes well-known banking institutions, various Canadian government entities, two of the top five universities in


    Highlights

    $50,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    10-49

    Employees

    Toronto, Ontario, Ca

    Services Provided
    14% API Development & Integration
    20% Custom Web Application Development
    33% Web App UI Design
    33% Digital Strategy
    AI Summary

    Therefore delivers complex, high-value digital platforms across diverse sectors including finance, government, and education, leveraging advanced AI-driven solutions and strong technology partnerships for lasting impact.

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    EliteMed Financials LLC is a reliable partner for healthcare providers throughout the United States, focusing on enhancing medical billing, credentialing, and financial management processes. Established in [Year Established], we assist clinics, hospitals, and private practices in maximizing revenue,


    Highlights

    < $25/hr

    Avg Hourly Rate

    50-249

    Employees

    Services Provided+3 Services
    25% API Development & Integration
    8% Digital Strategy
    2% Other Digital Marketing
    10% Search Engine Optimization (SEO)
    AI Summary

    EliteMed Financials LLC offers comprehensive healthcare financial solutions including medical billing, credentialing, accounting, tax services, and digital marketing, enhancing revenue and compliance for U.S. providers.

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    Tooktech Web Technologies is a Romanian software firm established in 2015 in Timisoara. We specialize in creating and providing exceptional software solutions that significantly enhance our clients' operations in areas such as efficiency, revenue generation, cost savings, and digital automation. Our


    Highlights

    $10,000+

    Min Project Size

    $25-49/hr

    Avg Hourly Rate

    10-49

    Employees

    Timisoara, Timis, Ro

    Services Provided+1 Services
    13% API Development & Integration
    15% Mobile App Development (iOS & Android)
    7% Legacy System Modernization
    15% Custom Web Application Development
    AI Summary

    Tooktech Web Technologies is a Romanian software firm delivering custom software, web and mobile applications, and advanced integrations to enhance business efficiency across varied industries since 2015.

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    At Crafting Clouds, we assist small and medium business owners in moving past basic bookkeeping by developing tailored solutions that help them save both time and money. With extensive experience on the Method platform, we focus on customizing solutions that meet your business requirements. Whether


    Highlights

    $5,000+

    Min Project Size

    $100-149/hr

    Avg Hourly Rate

    East Gwillimbury, Ontario, Ca

    Services Provided
    20% API Development & Integration
    30% Custom Web Application Development
    35% Operational Process Consulting
    15% Change Management Consulting
    AI Summary

    Crafting Clouds Solutions Inc. specializes in customized CRM development, business automation, and workflow optimization, helping SMEs enhance efficiency and focus on growth through tailored Method platform solutions.

  5. Senza Codice logo
    Senza CodiceProfile set up by Edverise AI
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    Relied upon by both startups and large companies for creating top-notch web applications using Bubble and other no-code tools. Begin your project with us today!


    Highlights

    $1,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    Novara, Piedmont, It

    Services Provided
    65% Custom Web Application Development
    15% Mobile App Development (iOS & Android)
    20% API Development & Integration
    AI Summary

    Senza Codice specializes in developing high-quality web applications for startups and enterprises, leveraging Bubble and no-code tools to streamline project creation and delivery.

  6. Roonyx logo
    RoonyxProfile set up by Edverise AI
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    An integrated BNPL solution - a streamlined system that unifies different aspects of BNPL services, automating tasks and facilitating seamless operations that are advantageous for both merchants and customers worldwide.


    Highlights

    $10,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    50-249

    Employees

    New York, New York, Us

    Services Provided+4 Services
    10% Mobile App Development (iOS & Android)
    20% Custom Web Application Development
    20% API Development & Integration
    15% E-Commerce Development
    AI Summary

    Roonyx offers an integrated Buy Now, Pay Later solution that automates and streamlines BNPL services, enhancing operations for merchants and customers globally.

  7. ULAM LABS logo
    ULAM LABSProfile set up by Edverise AI
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    ULAM LABS focuses on developing top-notch digital solutions for the MedTech industry. We assist healthcare providers in designing customized digital tools that reduce the workload of care teams, provide support to patients beyond the clinic, and enhance the quality of care on a larger scale. Let’s t


    Highlights

    $10,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    50-249

    Employees

    Wroclaw, Lower Silesia, Pl

    Services Provided+2 Services
    18% Custom Web Application Development
    13% API Development & Integration
    10% SaaS Product Development
    7% Backend Development
    AI Summary

    ULAM LABS develops advanced digital solutions for the MedTech sector, enhancing patient care and supporting healthcare providers through customized tools that improve efficiency and outcomes.

  8. Dev Buddys logo
    Dev BuddysProfile set up by Edverise AI
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    Founded in New Delhi, India, DevBuddys was a trailblazer in providing comprehensive web solutions to Indian companies. Over the past six years, we have transformed businesses by combining our exceptional technical skills with a thorough understanding of the digital landscape. The advancement of the


    Highlights

    $1,000+

    Min Project Size

    < $25/hr

    Avg Hourly Rate

    10-49

    Employees

    New Delhi, Delhi, In

    Services Provided
    30% E-Commerce Development
    20% API Development & Integration
    50% Search Engine Optimization (SEO)
    AI Summary

    DevBuddys, based in New Delhi, specializes in innovative web design, application development, and e-commerce solutions, leveraging digital expertise to enhance Indian businesses over six years.

  9. Untangled logo
    UntangledProfile set up by Edverise AI
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    We design automation systems that remove manual tasks, minimize human mistakes, and expand your operations without increasing the number of employees.


    Highlights

    $1,000+

    Min Project Size

    $25-49/hr

    Avg Hourly Rate

    2-9

    Employees

    Yerevan, Am

    Services Provided
    30% Custom Web Application Development
    20% API Development & Integration
    50% AI Agent & Multi-Agent System Development
    AI Summary

    Untangled develops automation systems to eliminate manual tasks, reduce errors, and enable operational growth efficiently without increasing employee count.

  10. Rendesweb Kft. logo
    Rendesweb Kft.Profile set up by Edverise AI
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    A Rendesweb Kft. 2008 óta dolgozik megbízható és stabil webes megoldások kifejlesztésén. Egy összeszokott, 11 fős fejlesztői csapat vagyunk, akik hosszú távú kapcsolatokra törekednek partnereinkkel. Meggyőződésünk, hogy a következetes, átlátható munka és a részletesen dokumentált fejlesztési folyama


    Highlights

    $5,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    10-49

    Employees

    Budapest, Budapest, Hu

    Services Provided
    20% API Development & Integration
    30% Custom Web Application Development
    50% DevOps Engineering
    AI Summary

    Rendesweb Kft., established in 2008, is a reliable 11-person web development team focusing on transparent, well-documented processes and long-term client partnerships for stable web solutions.

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