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

M NexaTech ITProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
M NexaTech IT is a focused IT staffing and recruitment agency dedicated to linking businesses with top-tier technology professionals. We recognize that securing the right technical talent is crucial for the success of your projects, which is why we emphasize supplying pre-vetted, qualified developer
Highlights
2-9
Employees
Ahmedabad, Gujarat, In
Services Provided+3 Services
25% API Development & Integration
25% Custom Web Application Development
25% Mobile App Development (iOS & Android)
25% E-Commerce Development
AI Summary
“M NexaTech IT specializes in IT staffing and recruitment, delivering pre-vetted technology experts worldwide through flexible hiring models tailored to diverse project and organizational needs.”
JCaspTechnologiesProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Driving Technological Excellence Since 2010 At JCaspTechnologies, we take pride in having completed more than 350 successful projects on Upwork, with a 35% rate of repeat clients. Established in 2010, our team of over 17 skilled developers, designers, and project managers is committed to deliverin
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Ahmedabad, Gujarat, In
Services Provided+1 Services
25% API Development & Integration
35% Mobile App Development (iOS & Android)
30% Custom Web Application Development
10% E-Commerce Development
AI Summary
“JCaspTechnologies, established in 2010, delivers custom web, mobile, desktop, AI/ML, CRM, and ERP solutions with a skilled team and strong client focus, ensuring quality and timely delivery.”
PrimeSensProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
PrimeSens consists of former startup founders, researchers, and top experts in product development, UX/UI design, software engineering, machine learning, and blockchain technology. Our tech team actively participates in open-source communities and is affiliated with major open-source organizations l
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
15% IT Staff Augmentation
20% Custom AI Chatbot Development
20% AI Model Fine-Tuning & Training
10% Cloud Consulting & SI
AI Summary
“PrimeSens is a collaborative team of experts specializing in product development, UX/UI design, software engineering, machine learning, and blockchain, helping businesses build innovative, revenue-generating digital products.”
rinf.techProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Founded in 2006 and based in Bucharest, Romania, rinf.tech is a global technology partner with offices and delivery centers throughout Europe, North America, and Asia. The company specializes in enterprise AI capabilities, innovative research and development solutions, and custom software product en
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
250-999
Employees
Bucuresti, Bucuresti, Ro
Services Provided+5 Services
35% Backend Development
20% QA & Software Testing
25% API Development & Integration
20% Custom Web Application Development
AI Summary
“rinf.tech, headquartered in Bucharest, delivers enterprise AI, software engineering, and digital innovation with global reach, serving Fortune enterprises through advanced technology solutions and expertise.”
Mia-PlatformProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Mia-Platform is a digital solution for creating modern cloud-native applications that leverage APIs, microservices, Fast Data, and DevOps on Kubernetes. Its technological prowess is recognized internationally by entities like the Cloud Native Computing Foundation and Gartner, which recently identifi
Highlights
50-249
Employees
Milan, Lombardy, It
Services Provided+5 Services
35% Custom Web Application Development
15% Mobile App Development (iOS & Android)
40% API Development & Integration
10% Legacy System Modernization
AI Summary
“Mia-Platform offers a unified cloud-native platform enabling effortless development, management, and industrialization of modern applications using APIs, microservices, Fast Data, and DevOps on Kubernetes.”
CurbsyProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Curbsy was founded in 2017 on the Isle of Man as a single person's initiative aimed at modernizing a traditional industry through innovative technology and enhanced personalization and curation. As the vision evolved, it attracted others, leading to the launch of the company's first product in Malta
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Douglas, Im
Services Provided+5 Services
70% Custom Web Application Development
30% API Development & Integration
60% Landing Page Design
40% Wireframing & Prototyping
AI Summary
“Curbsy delivers custom web applications, API integrations, and cohesive branding with clean design and code, enhancing user experiences and modernizing industries globally since 2017.”
OrderEyeProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
OrderEye is an advanced digital commerce platform powered by AI, designed to transform how hyperlocal, quick commerce, and e-commerce businesses operate, scale, and grow effortlessly in today's fast-paced digital landscape. Focused on speed, automation, efficiency, and personalization, OrderEye enab
Highlights
$1,000+
Min Project Size
10-49
Employees
Services Provided+1 Services
40% E-Commerce Development
25% Custom Web Application Development
15% Mobile App Development (iOS & Android)
15% API Development & Integration
AI Summary
“OrderEye is an AI-powered digital commerce platform enabling hyperlocal and e-commerce businesses to swiftly launch, manage, and grow online stores with automated processes and no-code tools.”
KeevoTechProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
KeevoTech is a software development company located in the U.S. that assists businesses in transforming their concepts into reality with dependable, scalable, and affordable solutions. We focus on complete development processes, covering everything from planning and design to deployment and support.
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
35% API Development & Integration
40% Custom Web Application Development
25% Mobile App Development (iOS & Android)
60% Product UX Strategy
AI Summary
“KeevoTech is a U.S.-based software development firm delivering scalable, affordable solutions across web, mobile, and API integration with comprehensive project management and global engineering expertise.”
Heljens IT Services UG (haftungsbeschränkt)Profile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Heljens IT Services is a specialized software engineering firm focused on contemporary Web, API, App, and 3D solutions. We create tailored digital systems that are clear, efficient, and aimed at delivering measurable business results. Our approach merges technical expertise with a systematic develop
Highlights
$10,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Heiligenhaus, North Rhine Westphalia, De
Services Provided+2 Services
45% API Development & Integration
10% Mobile App Development (iOS & Android)
45% Frontend Development
100% DevOps Engineering
AI Summary
“Heljens IT Services specializes in tailored software solutions across web, API, app, and 3D technologies, emphasizing clear, scalable engineering and full product lifecycle support to enhance business outcomes.”
BLT InformaticaProfile set up by Edverise AI
0 Reviews
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Benvenuti in BLT Informatica, la tua fonte affidabile per lo sviluppo di software personalizzato. Con una missione chiara e stimolante, ci impegniamo a realizzare soluzioni software semplici e intuitive, perfettamente adatte alle esigenze specifiche delle aziende. Cosa offriamo? Forniamo un'ampia ga
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
San Severino Marche, Marche, It
Services Provided+1 Services
25% API Development & Integration
15% QA & Software Testing
20% ERP & CRM Development
40% Backend Development
AI Summary
“BLT Informatica offers tailored software development services, including turnkey solutions and custom components, leveraging 40+ years of experience and advanced technologies to enhance business efficiency.”

«Previous 1

...

252 253255 256

...

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.