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 10, 2026

We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Edverise ensures trust

8,618 Companies

List of the Best API Development & Integration Agencies

YellowProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We generate business value, rather than simply developing another software application! Our team is transparent, proactive, and focused on business goals, boasting extensive expertise in AI/ML, Generative AI, LLM integration, and intricate custom software development. With over a decade in the indus
Highlights
50-99
Avg Hourly Rate
50-249
Employees
San Francisco, California, Us
Services Provided+11 Services
40% Custom Web Application Development
15% SaaS Product Development
30% API Development & Integration
15% QA & Software Testing
AI Summary
“Yellow delivers scalable AI-driven software solutions combining custom development, advanced machine learning, and UI/UX design, focusing on business value through innovative, tailored digital products and services.”
INCHSTONE GmbHProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are INCHSTONE, your Austrian partner specializing in industrial communication and IoT solutions. We assist our clients in developing connected devices and machinery using protocols such as OPC UA, MQTT, and HTTPS, among others. Our goal is to enable small to mid-sized manufacturing firms to seaml
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Altheim, Upper Austria, At
Services Provided+2 Services
50% Custom Web Application Development
20% Mobile App Development (iOS & Android)
30% API Development & Integration
40% AI Strategy & Roadmap Consulting
AI Summary
“INCHSTONE GmbH, an Austrian partner, specializes in industrial communication and IoT solutions, offering customizable software components and services to connect and manage manufacturing machinery efficiently.”
WeteloProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Wetelo is a premier provider of software product development and custom solutions, supported by a team of over 50 professionals committed to enhancing businesses through innovative technologies. We have successfully completed over 150 projects for more than 120 clients, spanning both startups and la
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Lviv, Lviv, Ua
Services Provided+6 Services
25% Custom Web Application Development
15% Mobile App Development (iOS & Android)
20% API Development & Integration
20% Backend Development
AI Summary
“Wetelo delivers custom software development and innovative technology solutions, supporting startups and enterprises globally with a skilled team, proven expertise, and long-term client partnerships.”
TWNProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are a results-oriented software development agency that specializes in scalable eCommerce, ERP, and API-driven platforms. Our offerings include: - Production-ready systems (using Symfony and API Platform) - Enterprise eCommerce solutions (such as Shopware 6 and Shopify) - Complex ERP implementat
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Bucuresti, Bucuresti, Ro
Services Provided+2 Services
40% Custom Web Application Development
30% API Development & Integration
25% E-Commerce Development
5% Backend Development
AI Summary
“TWN is a results-driven, remote software agency specializing in scalable eCommerce, ERP, and API-driven platforms, delivering custom web applications, integrations, and digital marketing services globally.”
Intelligent Web CrewProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Intelligent Web Crew is a tailored software development firm established in 2005, based in Orlando, FL. The company specializes in creating AI-driven mobile apps, customized web platforms, and business automation systems for clients in the healthcare, finance, real estate, and media sectors. Their s
Highlights
$10,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Orlando, Florida, Us
Services Provided+1 Services
45% Mobile App Development (iOS & Android)
40% Custom Web Application Development
15% API Development & Integration
60% Search Engine Optimization (SEO)
AI Summary
“Intelligent Web Crew delivers customized AI-driven software and comprehensive digital marketing solutions, including mobile app and web development, SEO, and social media services across diverse U.S. industries.”
pkey.infoProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We assist organizations in designing architecture, integrating systems, and completing delayed projects with the use of .NET, Java, and AI. Our approach is swift, technically sound, and emphasizes complete responsibility for the results. This leads to improved system stability, quicker project deliv
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
40% Backend Development
35% API Development & Integration
25% Custom Web Application Development
30% Other IT Consulting and SI
AI Summary
“pkey.info specializes in architecture design, system integration, and project completion using .NET, Java, and AI, delivering stable, efficient, and accountable solutions for enterprise and cloud teams.”
Creamerz SoftProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Creamerz Soft, we provide a range of services to clients worldwide, including: - Website design and development - Mobile app design and development - Financial technology services - Remittance solutions - Electronic Medical Records (EMR) - Server management (AWS, shared hosting) - Point of Sale (
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Lahore, Pk Punjab, Pk
Services Provided+3 Services
35% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% API Development & Integration
15% E-Commerce Development
AI Summary
“Creamerz Soft offers global clients comprehensive technology solutions including web and mobile app development, fintech services, EMR, CRM, e-commerce, digital marketing, and server management.”
Classic InformaticsProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Classic Informatics is a global web development firm that offers scalable digital, web, and mobile solutions. We collaborate with startups, small and medium-sized enterprises, and large corporations to create user-focused products and services. By combining our technical skills with design thinking,
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Gurugram, Haryana, In
Services Provided+1 Services
40% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% E-Commerce Development
10% API Development & Integration
AI Summary
“Classic Informatics is a global technology firm providing scalable digital, web, and mobile solutions, offering product engineering, design, and digital transformation across diverse industries since 2002.”
APEXCORP S.A.CProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We believe that technology should serve as a catalyst for growth rather than a hindrance or a rigid framework. Consequently, our approach commences even before we begin coding: we first pinpoint operational inefficiencies and address manual "operational empiricism," subsequently digitizing processes
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Pisco, Pe
Services Provided+2 Services
40% Custom Web Application Development
25% API Development & Integration
10% E-Commerce Development
25% Mobile App Development (iOS & Android)
AI Summary
“APEXCORP S.A.C. specializes in tailored technology consultancy and digital transformation, enhancing operational efficiency and fostering skilled IT professionals to drive business growth across Peru.”
DeepInspireProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
DeepInspire is a fintech product development firm with 25 years of expertise in the industry. Fintech is our primary focus, and for a quarter of a century, we have assisted CEOs, CTOs, and Product Owners in overcoming their most significant obstacles. Being leaders in fintech development, we are awa
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Lviv, Lviv, Ua
Services Provided+3 Services
35% ERP & CRM Development
30% API Development & Integration
35% Custom Web Application Development
100% Product UX Strategy
AI Summary
“DeepInspire, a fintech product development firm with 25 years' expertise, delivers comprehensive, scalable solutions through cross-functional teams focused on business-driven, efficient project execution.”

«Previous 1

...

267 268270 271

...

862 Next»

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Trust & Reviews

B2B Reviews Are Dying What Comes Next?

For the past decade, online reviews have been the default trust signal for B2B buyers. Before signing a contract with an agency, you check their Clutc

Nihar Ranjan Rout

B2B Strategy

The Discovery Gap: Why Great Work Isn't Enough Anymore

There was a time when doing exceptional work was enough to build a thriving agency. The work spoke for itself. Clients referred you. Reputation compou

Akash Mahapatra

Industry Trends

The Era of the Directory Is Over. Here's What's Replacing It.

The B2B directory had a good run. For two decades, it was the primary infrastructure connecting buyers with service providers a digital marketplace bu

Nihar Ranjan Rout

Check All Our Blogs

One Platform. One Promise. One Trust.

Whatever your business challenge, browse our most in-demand service categories to find top-rated companies and providers.