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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We evaluate companies on verified profile data — services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

8,487 Companies

List of the Best API Development & Integration Agencies

Systron Labs
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A web development firm located in Germany that specializes in creating cutting-edge digital solutions. We design websites and web applications that foster business growth and effectively engage users. Collaborate with us to enhance your online presence and reach your digital objectives.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
30% Custom Web Application Development
15% Mobile App Development (iOS & Android)
5% API Development & Integration
50% DevOps Engineering
AI Summary
“Systron Labs is a German web development firm specializing in innovative websites and applications that enhance business growth, user engagement, and digital presence.”
Ardellion
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We develop scalable software based on genuine product success. Our team originated from the engineering expertise that created Attributy, the SaaS platform utilized in global markets. Currently, we apply that same level of precision and innovation to help businesses that are prepared for growth.
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Tampa, Florida, Us
Services Provided+7 Services
17% Custom Web Application Development
5% Mobile App Development (iOS & Android)
8% API Development & Integration
4% E-Commerce Development
AI Summary
“Ardellion specializes in developing scalable, innovative software solutions rooted in engineering expertise, leveraging their successful SaaS platform to support businesses poised for growth.”
Unidev Solutions
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At Unidev Solutions, we address essential business challenges in Web2, Web3, cloud, and blockchain by placing AI at the heart of innovation. With more than six years of experience, we develop AI agents that enhance sales, streamline workflows, and lower expenses for our clients. Our offerings combin
Highlights
$1,000+
Min Project Size
2-9
Employees
Services Provided+9 Services
10% Blockchain & Web3 Development
6% Custom Web Application Development
4% Mobile App Development (iOS & Android)
5% API Development & Integration
AI Summary
“Unidev Solutions leverages AI to develop scalable Web2, Web3, cloud, and blockchain applications, enhancing business efficiency, sales, and revenue through innovative, cost-effective technologies.”
Hypotenuse Labs
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Hypotenuse Labs is made up of the top 1% of engineers from the US and Canada. Our expertise lies in AI/ML, Full-Stack Web Development, Backend Development, DevOps, and Blockchain. We handle complete product development and address intricate technical challenges while adhering to deadlines and budget
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
San Francisco, California, Us
Services Provided+5 Services
15% Custom Web Application Development
15% Backend Development
8% API Development & Integration
10% Blockchain & Web3 Development
AI Summary
“Hypotenuse Labs is a top-tier engineering firm specializing in AI/ML, web and backend development, DevOps, and blockchain, delivering full product solutions that enhance clients' ROI and business growth.”
Ngotho Technologies
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Ngotho Technologies is a software firm based in Nairobi, Kenya, that specializes in creating mobile applications for both Android and iOS, websites, web applications, database systems, and desktop applications.
Highlights
2-9
Employees
Services Provided+4 Services
13% Custom Web Application Development
23% Mobile App Development (iOS & Android)
8% API Development & Integration
7% E-Commerce Development
AI Summary
“Ngotho Technologies, based in Nairobi, Kenya, develops comprehensive software solutions including mobile apps, websites, databases, and desktop applications for diverse platforms.”
Atom Solutions Ltd.
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We are skilled developers in web, mobile, and gaming, along with project managers and architects specializing in technologies such as PHP, AngularJS, NodeJS, React Native, ReactJS, enterprise JAVA, various frameworks, databases, iOS/Android, HTML5/CSS, RestAPI, JavaScript, ES6, WordPress, and Drupal
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Sofia, Sofia, Bg
Services Provided+7 Services
8% Custom Web Application Development
8% Mobile App Development (iOS & Android)
7% Backend Development
5% Frontend Development
AI Summary
“Atom Solutions Ltd. offers expert web, mobile, and game development services, delivering customized solutions with skilled developers, project managers, and designers across diverse technologies and platforms.”
Girdhari Choyal
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I am a Full-Stack WordPress Developer with over 11 years of experience in creating custom themes, plugins, APIs, and full web applications. My specialization lies in providing businesses with fast, secure, and scalable WordPress solutions tailored to their specific requirements. ✅ Custom Theme Devel
Highlights
< $25/hr
Avg Hourly Rate
Services Provided+2 Services
4% Mobile App Development (iOS & Android)
20% Custom Web Application Development
10% API Development & Integration
33% Brand Identity Design
AI Summary
“Girdhari Choyal is an experienced Full-Stack WordPress Developer specializing in custom themes, plugins, API integrations, optimization, and maintenance for diverse industries with a focus on quality and client satisfaction.”
FA Tech and Solutions
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FA Tech and Solutions is a highly rated mobile and web development firm with more than 5 years of experience. We have successfully completed over 210 projects, with a focus on hybrid app development utilizing Flutter and FlutterFlow. Our team offers a wide range of services, including mobile and web
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
7% API Development & Integration
2% E-Commerce Development
7% Custom Web Application Development
18% Mobile App Development (iOS & Android)
AI Summary
“FA Tech and Solutions specializes in hybrid mobile and web applications using Flutter, offering development, UI/UX design, database management, payment integration, and API services with client-focused reliability.”
Digitals OYT Ltd.
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Digitals for Health is a brand name of Digitals OYT Ltd., which assembles top professionals to form specialized teams for managing various healthcare IT projects, ranging from custom application design and development to intricate software systems.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+6 Services
10% Custom Web Application Development
6% Mobile App Development (iOS & Android)
4% API Development & Integration
8% Product UX Strategy
AI Summary
“Digitals OYT Ltd., under the Digitals for Health brand, specializes in forming expert teams to deliver custom healthcare IT solutions, including application design and complex software development.”
InstaPract HealthTech IT Solutions LLC
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At InstaPract, our goal is to listen, adapt, and develop various digital healthcare solutions, including telehealth, telemedicine, televet services, remote patient monitoring, AI medical pods, digital clinics, patient check-in and diagnostic kiosks, virtual tele rounding, and school screening soluti
Highlights
10-49
Employees
Dubai, Dubayy, Ae
Services Provided+4 Services
10% Custom Web Application Development
8% API Development & Integration
7% Legacy System Modernization
7% Mobile App Development (iOS & Android)
AI Summary
“InstaPract HealthTech IT Solutions LLC develops comprehensive digital healthcare technologies including telehealth, AI medical pods, interoperable EHR systems, and software modernization to empower healthcare providers.”

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