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 8, 2026

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8,617 Companies

List of the Best API Development & Integration Agencies

Azati SoftwareProfile set up by Edverise AI
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Since 2002, Azati has been offering design and development services to support the growth of companies in insurance, life sciences, recruitment, media, and more. We have a legal entity in the USA and an R&D center in Poland, allowing us to provide both on-site and off-site support based on project n
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
250-999
Employees
Warszawa, Masovian, Pl
Services Provided+21 Services
35% Custom Web Application Development
25% Mobile App Development (iOS & Android)
10% E-Commerce Development
10% Legacy System Modernization
AI Summary
“Azati Software delivers design, development, and R&D services including AI, data science, and machine learning to various industries, supporting growth through flexible on-site and off-site solutions.”
Synergim LLCProfile set up by Edverise AI
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Synergim is a premier software development and IT consulting firm located in the USA. We provide a range of global services including product development, customized solutions, strategic consulting, website development, and dynamic mobile applications. Our focus is on delivering cost-effective and s
Highlights
2-9
Employees
Henrico, Virginia, Us
Services Provided+4 Services
40% Custom Web Application Development
35% Mobile App Development (iOS & Android)
15% API Development & Integration
10% E-Commerce Development
AI Summary
“Synergim LLC is a leading US-based software development and IT consulting firm offering tailored, cost-effective solutions including product development, web and mobile applications, and strategic consulting to enhance business productivity.”
Verbose TechLabsProfile set up by Edverise AI
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Founded in 2017, Verbose Techlabs LLP serves as your partner in technology innovation. With a remarkable portfolio of over 500 projects and a strong collection of 40 advanced products, we are committed to supporting the aspirations of startups. Our primary goal is to strengthen the startup ecosystem
Highlights
$1,000+
Min Project Size
10-49
Employees
Services Provided+2 Services
60% Mobile App Development (iOS & Android)
10% E-Commerce Development
15% API Development & Integration
15% Custom Web Application Development
AI Summary
“Verbose TechLabs, founded in 2017, delivers over 500 projects and 40 advanced mobile app solutions, empowering startups with affordable, efficient technology innovations to accelerate growth.”
NIKX Technologies B.V.Profile set up by Edverise AI
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NIKX Technologies B.V., located in the dynamic city of Amsterdam, is a leader in technological innovation and creative design, offering state-of-the-art solutions for businesses and consumers worldwide. Our team of 12 specializes in Technology Development, which includes web and mobile applications,
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Amsterdam, North Holland, Nl
Services Provided+4 Services
40% Custom Web Application Development
50% Mobile App Development (iOS & Android)
10% API Development & Integration
60% UX Research & Usability Testing
AI Summary
“NIKX Technologies B.V. in Amsterdam excels in innovative technology development and creative design, delivering scalable digital solutions and compelling brand experiences for global clients.”
Just Java TechnologiesProfile set up by Edverise AI
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Just Java is a software engineering company with more than 24 years of experience in creating scalable, resilient, and high-performance digital platforms. We specialize in comprehensive custom software development for startups, small to medium-sized enterprises, and large organizations. Our solution
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
40% Custom Web Application Development
20% Mobile App Development (iOS & Android)
20% API Development & Integration
20% Legacy System Modernization
AI Summary
“Just Java Technologies delivers expert custom software solutions, including MVP development and legacy upgrades, leveraging 24+ years of Java expertise across fintech, logistics, healthcare, and more.”
SentysoftProfile set up by Edverise AI
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Sentysoft develops robust web and mobile applications with React, React Native, and Python, enabling both startups and established companies to transform their goals into tangible outcomes.
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
20% QA & Software Testing
30% Mobile App Development (iOS & Android)
20% API Development & Integration
30% Custom Web Application Development
AI Summary
“Sentysoft specializes in creating robust web and mobile applications using React, React Native, and Python, supporting startups and established firms in achieving their business objectives.”
Apps NovaProfile set up by Edverise AI
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Welcome to Apps Nova, the leading provider of advanced app and web design services in Orlando, Florida. Located at 3801 Avalon Park E Blvd., 1st Floor, our team is committed to delivering exceptional knowledge and creativity in digital development.
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Services Provided+4 Services
40% Mobile App Development (iOS & Android)
35% Custom Web Application Development
15% API Development & Integration
10% SaaS Product Development
AI Summary
“Apps Nova, based in Orlando, Florida, specializes in advanced app and web design services, leveraging expertise and creativity to deliver high-quality digital development solutions.”
ONAS SOFTWARE PRIVATE LIMITEDProfile set up by Edverise AI
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Onas Groups is a technology firm located in India that specializes in providing effective digital solutions. We tackle intricate digital problems by developing systems that are resilient, scalable, and strategically crafted to achieve quantifiable business outcomes. Our team of skilled developers, d
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
40% Custom Web Application Development
15% E-Commerce Development
30% Mobile App Development (iOS & Android)
15% API Development & Integration
AI Summary
“ONAS SOFTWARE PRIVATE LIMITED is an Indian technology firm delivering scalable and strategic digital solutions through expert developers and designers, focusing on innovative, reliable systems for measurable business impact.”
Sophylabs LLCProfile set up by Edverise AI
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Sophylabs is a custom software development firm that supports mid-sized companies in creating, expanding, and updating their digital products. We focus on web application development (using technologies like React, Angular, and Node.js) and AI automation to assist businesses in optimizing their oper
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Clarksburg, Maryland, Us
Services Provided+4 Services
50% Custom Web Application Development
20% Backend Development
20% Frontend Development
10% API Development & Integration
AI Summary
“Sophylabs develops custom web applications and AI automation solutions for mid-sized businesses, delivering production-ready software that optimizes operations and accelerates product delivery efficiently.”
GITSProfile set up by Edverise AI
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A team of IT experts established GITS driven by a deep passion for technology. Our company aims to provide tailored solutions and innovative value to clients worldwide, backed by advanced technology and unwavering commitment. We aspire to continually enhance the quality of our services and solutions
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
50-249
Employees
Hanoi, Vn
Services Provided+21 Services
20% API Development & Integration
25% Backend Development
25% Custom Web Application Development
10% ERP & CRM Development
AI Summary
“GITS is a Vietnam-based IT firm specializing in tailored software development, IT consulting, and support, serving global clients with expertise across diverse industries and CMMi Level 3 quality assurance.”

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