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.

Ratings Updated: August 6, 2026

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8,617 Companies

List of the Best API Development & Integration Agencies

Messy ProgrammerProfile set up by Edverise AI
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Messy Programmer is your reliable ally for high-quality IT services at reasonable rates. Prioritizing both excellence and cost-effectiveness, we offer a variety of IT solutions specifically designed to cater to your business requirements.
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Services Provided
70% Custom Web Application Development
30% API Development & Integration
AI Summary
“Messy Programmer delivers high-quality, cost-effective IT services tailored to diverse business needs, combining professionalism and reliability to support your technology goals effectively.”
Qloter Tekno DataProfile set up by Edverise AI
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Qloter is a tech firm dedicated to creating ERP systems tailored for small businesses. We recognize that numerous small and mid-sized companies struggle with integrating the management of finances, inventory, and operations. Issues such as reliance on manual processes, scattered record-keeping, and
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
East Jakarta, Jakarta, Id
Services Provided
60% Custom Web Application Development
30% API Development & Integration
10% E-Commerce Development
AI Summary
“Qloter Tekno Data develops tailored ERP solutions for small businesses, enabling integrated management of finances, inventory, and operations, enhancing efficiency and supporting digital transformation.”
VstellarProfile set up by Edverise AI
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Accelerate your testing procedures using Stellar's low-code automation platform. Improve efficiency, reduce errors, and achieve more intelligent software testing through seamless solutions for UI, API, mobile, performance, and accessibility testing. Equip your team to conduct more tests with less st
Highlights
$1,000+
Min Project Size
2-9
Employees
Services Provided
30% API Development & Integration
70% QA & Software Testing
AI Summary
“Vstellar offers a low-code automation platform enhancing software testing efficiency across UI, API, mobile, performance, and accessibility with seamless integration and advanced analytics.”
SpenzaProfile set up by Edverise AI
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Spenza is a connectivity enablement platform that is neutral to operators, designed for businesses. It provides procure-to-pay SaaS solutions along with an integrated marketplace for mobile plans, helping companies manage their wireless expenses and streamline their operations. Spenza includes APIs,
Highlights
10-49
Employees
Services Provided
70% SaaS Product Development
30% API Development & Integration
AI Summary
“Spenza offers a neutral connectivity platform with SaaS solutions and an integrated marketplace, enabling businesses to manage wireless expenses, streamline operations, and deliver tailored cellular services to end users.”
SC ELISIUM TECH SRLProfile set up by Edverise AI
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Elisium Tech is a web and cloud development agency focused on delivering results with speed, scalability, and reliability. We assist rapidly growing companies in producing higher-quality products more quickly. Our services range from custom builds using Laravel, Nest/Node.js, and Vue.js to intricate
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Oradea, Bihor, Ro
Services Provided
60% Custom Web Application Development
30% API Development & Integration
10% E-Commerce Development
AI Summary
“SC ELISIUM TECH SRL is a web and cloud development agency delivering scalable, reliable custom solutions with cutting-edge technologies, combining technical expertise and business focus for rapid, high-quality product outcomes.”
DazlabProfile set up by Edverise AI
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At Dazlab, we are both creators and developers, serving as your reliable technology partner for software and innovation. Our expertise lies in developing SaaS products and tailored solutions that cater to your specific requirements, ensuring that your technology works effectively for you. Whether yo
Highlights
$50,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Bateau Bay, New South Wales, Au
Services Provided
60% Custom Web Application Development
30% API Development & Integration
10% Legacy System Modernization
AI Summary
“Dazlab is a technology partner specializing in SaaS products, custom software, CMS-based websites, and web/mobile applications, delivering tailored solutions to advance your business efficiently.”
GIS-pointProfile set up by Edverise AI
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At GIS-point, we offer customized geospatial and IT solutions tailored to your business requirements. Our services include: - **Application Development:** Creating applications from the ground up with an emphasis on high performance and user-friendly interfaces. - **Feature Enhancement & Debugging:
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
London, England, Gb
Services Provided
50% Custom Web Application Development
30% API Development & Integration
10% Mobile App Development (iOS & Android)
10% E-Commerce Development
AI Summary
“GIS-point delivers customized geospatial and IT solutions, specializing in full-cycle application development, testing, support, and cloud-based micro-service architectures for efficient, timely projects.”
SysTeraTechProfile set up by Edverise AI
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SysTeraTech: Turning Innovative Ideas into Scalable Digital Solutions SysTeraTech is a leading, founder-operated technology agency that focuses on the architecture, development, and implementation of high-performance enterprise solutions. Based in Greater Noida, India, we cater to a global clientel
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Greater Noida, Uttar Pradesh, In
Services Provided
70% API Development & Integration
30% Mobile App Development (iOS & Android)
100% Cloud Consulting & SI
AI Summary
“SysTeraTech, a founder-led technology agency, delivers scalable custom software, advanced GIS solutions, and high-performance web development to solve complex business challenges globally.”
Robin HerbeckProfile set up by Edverise AI
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You take care of design and communication while I focus on the technology. Everything is quick, efficient, and explained as if I were physically present with you. User-friendly backends and high-performing frontends.
Highlights
50-99
Avg Hourly Rate
Heilbronn, Baden Wurttemberg, De
Services Provided
55% Custom Web Application Development
30% API Development & Integration
15% E-Commerce Development
AI Summary
“Robin Herbeck specializes in delivering efficient technology solutions with user-friendly backends and high-performing frontends, emphasizing clear communication and collaborative design processes.”
AtlasliveProfile set up by Edverise AI
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Atlaslive is a software development firm specializing in the iGaming industry. Utilizing its own proprietary core platform and components, Atlaslive delivers top-notch solutions tailored for the iGaming sector. With a variety of delivery options such as Sportsbook API integration, White Label, and T
Highlights
50-249
Employees
Willemstad, Cw
Services Provided
70% API Development & Integration
30% Custom Web Application Development
100% CRM Consulting and SI
AI Summary
“Atlaslive is a specialized iGaming software developer offering flexible Sportsbook API, White Label, and Turnkey solutions, delivering high-performance platforms recognized with multiple industry awards.”

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