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. Highlights

    $1,000+

    Min Project Size

    < $25/hr

    Avg Hourly Rate

    Services Provided
    50% API Development & Integration
    50% Mobile App Development (iOS & Android)
    AI Summary

    Bonyfer Studios is a creative company focusing on delivering innovative visual and multimedia content, fostering engagement through unique storytelling and artistic expression across diverse platforms.

  2. ZedStack logo
    ZedStackProfile set up by Edverise AI
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    We create Conversational AI Avatars and Generative AI Image technologies. Additionally, we design Full Stack Web and Mobile Applications that utilize CI/CD solutions.


    Highlights

    $1,000+

    Min Project Size

    $25-49/hr

    Avg Hourly Rate

    2-9

    Employees

    Services Provided
    40% API Development & Integration
    60% Mobile App Development (iOS & Android)
    AI Summary

    ZedStack specializes in developing Conversational AI Avatars, Generative AI Image technologies, and full-stack web and mobile applications leveraging CI/CD solutions for enhanced deployment.

  3. BainariX logo
    BainariXProfile set up by Edverise AI
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    We are a dedicated group of tech enthusiasts, architects, and developers focused on driving digital transformation and achieving operational excellence. With extensive experience in scalable software engineering, we excel in creating intelligent enterprise applications and developing specialized pro


    Highlights

    $1,000+

    Min Project Size

    $25-49/hr

    Avg Hourly Rate

    10-49

    Employees

    Services Provided
    60% Custom Web Application Development
    40% API Development & Integration
    AI Summary

    BainariX specializes in scalable software engineering, delivering cloud-native, microservices-based enterprise applications, including advanced solutions in warehouse and pharmacy management for digital transformation.

  4. Is this your business? Become an Edverise partner & Claim Now

    Safe Online Billing is a family-owned business in the UK that specializes in billing software designed for telecom resellers. Since 2005, we have been addressing billing issues within the UK telecom sector. Our SAFE Billing Platform streamlines the entire billing process, handling everything from th


    Highlights

    2-9

    Employees

    Manchester, England, Gb

    Services Provided
    60% Custom Web Application Development
    40% API Development & Integration
    AI Summary

    Safe Online Billing Limited offers UK-focused, GDPR-compliant billing software for telecom resellers, automating CDR processing, invoicing, payments, and tax management, reducing billing tasks significantly.

  5. Eslot Global logo
    Eslot GlobalProfile set up by Edverise AI
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    Eslot Global is a provider of technology-driven iGaming SaaS and whitelabel platforms, offering scalable, secure, and customizable solutions for casinos and betting operators around the globe. We provide comprehensive iGaming infrastructure, which includes casino whitelabel platforms, betting exchan


    Highlights

    $5,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    10-49

    Employees

    Willemstad, Cw

    Services Provided
    40% API Development & Integration
    35% Custom Web Application Development
    5% E-Commerce Development
    20% Mobile App Development (iOS & Android)
    AI Summary

    Eslot Global delivers scalable, secure iGaming SaaS and whitelabel platforms with advanced integrations, supporting casinos and betting operators in launching and expanding globally through innovative technology.

  6. Two Clouds logo
    Two CloudsProfile set up by Edverise AI
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    TwoClouds develops tailored software and integrates B2B systems to streamline your business operations using cloud technology, ERP, CRM, and Sage solutions.


    Highlights

    2-9

    Employees

    Belfast, Northern Ireland, Gb

    Services Provided
    50% Custom Web Application Development
    40% API Development & Integration
    10% E-Commerce Development
    AI Summary

    TwoClouds specializes in developing custom software and integrating B2B systems to optimize business operations through cloud technology, ERP, CRM, and Sage-based solutions.

  7. DiRoots logo
    DiRootsProfile set up by Edverise AI
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    DiRoots Limited is a prominent software development firm focused on delivering advanced software solutions tailored for the architecture, engineering, and construction (AEC) industry and manufacturing sectors. We specialize in creating plugins for various Autodesk products, such as Revit, AutoCAD, a


    Highlights

    $5,000+

    Min Project Size

    10-49

    Employees

    Guimaraes, Braga, Pt

    Services Provided
    50% Custom Web Application Development
    40% API Development & Integration
    10% Legacy System Modernization
    AI Summary

    DiRoots is a Portuguese software firm specializing in tailored solutions for AEC and manufacturing, including Autodesk plugins, web applications, API integration, and legacy system modernization.

  8. G
    GearToothProfile set up by Edverise AI
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    GearTooth is a specialized digital solutions company dedicated to developing, implementing, and integrating solutions.


    Highlights

    $5,000+

    Min Project Size

    $150+/hr

    Avg Hourly Rate

    2-9

    Employees

    Services Provided+2 Services
    50% API Development & Integration
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% CRM Consulting and SI
    AI Summary

    GearTooth is a specialized digital solutions company offering development, implementation, and integration services across various sectors to enhance business operations and technology adoption.

  9. adivaha logo
    adivahaProfile set up by Edverise AI
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    Adivaha® is an international travel technology firm dedicated to equipping travel agencies, tour operators, online travel agencies (OTAs), and startups with intelligent, scalable, and dependable digital solutions. We assist travel businesses in transforming their operations by offering comprehensive


    Highlights

    $1,000+

    Min Project Size

    10-49

    Employees

    Services Provided
    60% Custom Web Application Development
    40% API Development & Integration
    AI Summary

    Adivaha® provides scalable, customizable travel technology solutions including booking engines, API integrations, and management tools, empowering agencies and OTAs to enhance efficiency and online growth.

  10. Siftia logo
    SiftiaProfile set up by Edverise AI
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    Siftia supports healthcare organizations and consulting companies by delivering innovative, data-driven solutions that improve operational efficiency, compliance, and patient outcomes. With expertise in HL7 FHIR interoperability, cloud-based systems, and data product creation, we assist our clients


    Highlights

    $10,000+

    Min Project Size

    $50-99/hr

    Avg Hourly Rate

    10-49

    Employees

    Cartago, Cartago, Cr

    Services Provided+1 Services
    35% API Development & Integration
    15% Custom Web Application Development
    20% AI Strategy & Roadmap Consulting
    20% BI & Big Data Consulting & SI
    AI Summary

    Siftia delivers data-driven healthcare solutions including FHIR interoperability, cloud migration, and compliance services, enhancing operational efficiency and patient outcomes for diverse healthcare clients.

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