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. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. 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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Ratings Updated: August 6, 2026

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List of the Best API Development & Integration Agencies

  1. Nexttech logo
    NexttechProfile set up by Edverise AI
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    Nexttech is a software development and IT consulting firm specializing in the Trading, Banking, Insurance, and Automotive sectors. Our dedicated team is enthusiastic about technology, continually learning and innovating to drive results. We prioritize providing outstanding and competitive business s

    Highlights

    50-249

    Employees

    Cluj-Napoca, Cluj, Ro

    Services Provided
    65% Custom Web Application Development
    35% API Development & Integration
    AI Summary

    “Nexttech is a software development and IT consulting firm specializing in Trading, Banking, Insurance, and Automotive sectors, providing tailored, innovative business solutions to Fortune 500 clients.”

  2. Codekernal logo
    CodekernalProfile set up by Edverise AI
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    It is a medium-sized software company that specializes in WordPress and Laravel. We create everything from small web applications to large custom CRM systems and also handle API integrations.

    Highlights

    $1,000+

    Min Project Size

    <25

    Avg Hourly Rate

    2-9

    Employees

    Mirpur Khas, Pk

    Services Provided
    65% Custom Web Application Development
    35% API Development & Integration
    AI Summary

    “Codekernal is a medium-sized software firm specializing in WordPress and Laravel, delivering solutions from small web applications to large custom CRM systems with API integrations.”

  3. N6 Solution (SMC) Pvt. Ltd. logo
    N6 Solution (SMC) Pvt. Ltd.Profile set up by Edverise AI
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    N6 Solution is a premier AI and software development firm located in Pakistan, dedicated to assisting businesses in creating intelligent and scalable digital solutions. With more than three years of experience in artificial intelligence and machine learning, our skilled team collaborates with both s

    Highlights

    $1,000+

    Min Project Size

    <25

    Avg Hourly Rate

    2-9

    Employees

    Services Provided+3 Services
    10% AI Strategy & Roadmap Consulting
    10% LLM Integration & Prompt Engineering
    10% Custom AI Chatbot Development
    30% Machine Learning Model Development
    AI Summary

    “N6 Solution is a Pakistani AI and software development firm specializing in custom machine learning models, deep learning, and scalable digital solutions for startups and enterprises.”

  4. Knowledgator Engineering logo
    Knowledgator EngineeringProfile set up by Edverise AI
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    Knowledgator is an open-source machine learning research organization dedicated to enhancing human understanding through foundational models for information extraction. By prioritizing innovative research, we create machine learning solutions for information extraction that address the constraints o

    Highlights

    2-9

    Employees

    Services Provided+3 Services
    10% AI Strategy & Roadmap Consulting
    20% LLM Integration & Prompt Engineering
    30% Machine Learning Model Development
    15% Generative AI
    AI Summary

    “Knowledgator Engineering develops innovative, resource-efficient machine learning models focused on precise information extraction, advancing human understanding through foundational open-source research.”

  5. B
    Bonyfer StudiosProfile set up by Edverise AI
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    Greetings, Universe!

    Highlights

    $1,000+

    Min Project Size

    <25

    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.”

  6. Z
    ZaptiloProfile set up by Edverise AI
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    Zaptilo.ai is a platform for the WhatsApp Business API that allows businesses to send mass messages, automate conversations, and incorporate WhatsApp into their applications or systems. It provides features such as code-free chatbots, live analytics, and webhook integrations, ensuring smooth communi

    Highlights

    10-49

    Employees

    Bengaluru, Karnataka, In

    Services Provided
    100% API Development & Integration
    20% Generative AI
    40% CRM Consulting and SI
    40% ERP Consulting and SI
    AI Summary

    “Zaptilo.ai offers a WhatsApp Business API platform enabling businesses to send mass messages, automate chats with code-free bots, and integrate analytics for enhanced customer communication.”

  7. 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

    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.”

  8. 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

    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.”

  9. S
    Safe Online Billing LimtedProfile set up by Edverise AI
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    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.”

  10. 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

    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.”

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