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

Legereum Blockchain Technologies
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Legereum Blockchain Technologies is a dedicated blockchain development company that creates secure and high-performance decentralized ecosystems. We connect complex blockchain protocols with advanced, user-friendly mobile interfaces for startups and enterprises around the world. Our main areas of ex
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
30% Mobile App Development (iOS & Android)
5% E-Commerce Development
35% Blockchain & Web3 Development
15% API Development & Integration
AI Summary
“Legereum Blockchain Technologies develops secure, high-performance decentralized ecosystems, specializing in custom crypto wallets, smart contracts, mobile DApps, and advanced blockchain protocol integrations globally.”
Onex Software
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Onex Software is a forward-thinking company specializing in digital web and custom software development, serving businesses of various scales. Partnering with Onex Software enables you to obtain tailor-made software that aligns with your specific business requirements, relieving pressure on your int
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Izmir, Izmir, Tr
Services Provided+3 Services
17% Custom Web Application Development
10% API Development & Integration
7% E-Commerce Development
13% AI Strategy & Roadmap Consulting
AI Summary
“Onex Software delivers custom software, AI, cybersecurity, and e-commerce solutions, integrating innovative design and automation to enhance business efficiency across diverse industries.”
SprintOak
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SprintOak develops robust SaaS platforms, cloud-native applications, and high-performance digital systems tailored for contemporary businesses.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
15% API Development & Integration
5% Legacy System Modernization
20% Custom Web Application Development
10% Mobile App Development (iOS & Android)
AI Summary
“SprintOak designs and delivers robust, cloud-native SaaS platforms and high-performance digital applications, empowering modern businesses with scalable and tailored technology solutions.”
SMB Tech Solution
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SMB Tech Solution is a results-oriented IT firm that specializes in Magento development, eCommerce solutions, and comprehensive web and software development. With years of experience in the industry, we assist businesses in expanding and thriving online by providing a solid digital framework, tailor
Highlights
1000-9999
Employees
Nagpur, Maharashtra, In
Services Provided+2 Services
23% E-Commerce Development
10% API Development & Integration
14% Product UX Strategy
20% Web App UI Design
AI Summary
“SMB Tech Solution is a professional IT company specializing in Magento development, eCommerce platforms, web and software solutions, delivering scalable, secure, and tailored digital products to support business growth.”
Intetics Inc.
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Intetics Inc. is a prominent American technology firm specializing in custom software development, the formation of distributed professional teams, software product quality evaluation, and comprehensive digital solutions that incorporate technologies such as SMAC, RPA, AI/ML, IoT, blockchain, and GI
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
250-999
Employees
Naples, Florida, Us
Services Provided+9 Services
8% API Development & Integration
13% Backend Development
5% E-Commerce Development
10% SaaS Product Development
AI Summary
“Intetics Inc. is a global technology firm specializing in custom software development, distributed teams, and advanced digital solutions across diverse industries, leveraging cutting-edge technologies and robust quality management.”
Sysmetica LLC
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At Sysmetica, we connect technology with business by providing scalable, high-performance mobile applications customized to meet your specific requirements. As a mobile-first development agency, we emphasize user experience, performance, and seamless native solutions for both iOS and Android that yi
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
35% Mobile App Development (iOS & Android)
8% Custom Web Application Development
8% API Development & Integration
17% Product UX Strategy
AI Summary
“Sysmetica LLC specializes in scalable, high-performance native mobile applications for iOS and Android, offering customized development, transparent processes, and comprehensive support for startups to enterprises.”
Offshorly
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Offshorly is a UK-based software development firm that provides experienced development teams from the Philippines, ensuring UK accountability throughout the process. Since 2014, our team of over 65 developers, designers, QA engineers, and project managers has created software, websites, and AI prot
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Stamford, England, Gb
Services Provided+5 Services
17% Custom Web Application Development
10% Mobile App Development (iOS & Android)
7% API Development & Integration
20% UX Research & Usability Testing
AI Summary
“Offshorly is a UK-based software firm offering managed development teams from the Philippines, specializing in software, agency projects, and AI prototyping with high client retention and transparency.”
Mercury Development
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Quality, Experience, Transparency. These principles have been the foundation of Mercury Development for 26 years, during which we have created top-notch, innovative Mobile Apps and Custom Software. Whether working with emerging startups or established enterprises, Mercury Development consistently me
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
250-999
Employees
Aventura, Florida, Us
Services Provided+5 Services
12% Custom Web Application Development
12% Mobile App Development (iOS & Android)
7% API Development & Integration
3% E-Commerce Development
AI Summary
“Mercury Development delivers innovative mobile apps and custom software, specializing in building, rescuing, and modernizing complex digital products for startups and enterprises with expertise and transparency.”
Digital Solutions Studio
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Comprehensive software product development We develop customized web solutions, ranging from individual services and portals to complete ecosystems featuring various services and user interfaces. Our strengths include MS SQL Server, MySQL, .NET, Angular, and React, while also being adaptable with ot
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Banska Bystrica, Sk
Services Provided+2 Services
13% Custom Web Application Development
7% Mobile App Development (iOS & Android)
5% API Development & Integration
25% Product UX Strategy
AI Summary
“Digital Solutions Studio specializes in custom software development, UX/UI design, solution architecture, DevOps automation, and consultancy, delivering tailored digital products to meet diverse client needs.”
K
KamSathiHub TechLabs LLP
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Kamsathihub Techlabs LLP (KS) is a leading software development company focused on creating scalable and high-performance digital solutions for businesses worldwide. With a solid background in efficient system design and backend engineering, we excel at converting intricate business problems into sm
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
20% Custom Web Application Development
15% API Development & Integration
5% E-Commerce Development
10% Mobile App Development (iOS & Android)
AI Summary
“KamSathiHub TechLabs LLP delivers scalable, high-performance software solutions globally, specializing in web and mobile applications across industries including B2B, labor management, and healthcare technology.”

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