Top API Development & Integration Firms

API development and integration firms build the interfaces that let software talk to other software, and wire up the ones that already exist. Work ranges from designing REST, GraphQL or gRPC APIs for a product or partner program to connecting payment gateways, CRMs, ERPs, shipping carriers, messaging platforms and banking or healthcare systems through their published APIs. Companies hire for it when staff retype data between two systems, when partners want programmatic access, or when a monolith is being split into services.

Compare firms here on the systems they have integrated before, the documentation they hand over, and how they handle authentication, versioning and outages when a third-party API fails.

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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

8,490 Companies

List of the Best API Development & Integration Agencies

Airrchip
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Airrchip is a technology services startup focused on creating scalable applications and platforms with a cloud-first and AI-driven approach for global enterprises in sectors like fintech, healthcare, digital commerce, and SaaS. The company specializes in four main service areas: End-to-End Product E
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Dubai, Dubayy, Ae
Services Provided+2 Services
20% API Development & Integration
14% Mobile App Development (iOS & Android)
13% AI Agent & Multi-Agent System Development
15% Generative AI
AI Summary
“Airrchip is a global technology services startup delivering cloud-first, AI-driven solutions across fintech, healthcare, commerce, and SaaS, specializing in product engineering, digital transformation, and integration.”
Laracraft
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As enthusiastic developers with up to 15 years of experience, we maintain elevated standards in our work. To ensure the best outcomes for our clients, we have focused solely on Laravel. We take pride in our craftsmanship, and our ultimate satisfaction comes from delivering top-notch quality. This ap
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Memmingen, Bavaria, De
Services Provided
30% Custom Web Application Development
10% Mobile App Development (iOS & Android)
10% API Development & Integration
50% Web App UI Design
AI Summary
“Laracraft specializes exclusively in Laravel development, leveraging up to 15 years of expertise to deliver high-quality, client-focused software solutions ensuring customer satisfaction and craftsmanship excellence.”
ArdentCode
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Ardent Code develops software that delivers exceptional performance, along with high-performing software teams. We are a genuine partner that seamlessly integrates into your business, offering customized, dependable, and experienced software engineering to assist you in tackling significant challeng
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Wroclaw, Lower Silesian, Pl
Services Provided+3 Services
20% Custom Web Application Development
15% API Development & Integration
10% Mobile App Development (iOS & Android)
5% QA & Software Testing
AI Summary
“ArdentCode delivers tailored web, mobile, and AI-driven software solutions with expert teams, enhancing business efficiency and scalability through reliable, high-performance engineering services.”
Good Name
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I am Robert MacLean, a professional software developer with extensive experience in complex, large-scale coding environments. My ability to thrive in diverse and empowering teams directly contributes to their success, and I can do the same for your business. I prioritize authentic, value-driven resu
Highlights
$50-99/hr
Avg Hourly Rate
Services Provided+1 Services
25% API Development & Integration
30% Custom Web Application Development
10% E-Commerce Development
15% Legacy System Modernization
AI Summary
“Robert MacLean is an experienced software developer specializing in scalable, full-stack solutions, architecture, and technical roadmaps, delivering value-driven results through collaborative, flexible engagements.”
Nimetler Technologies Private Limited
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We create, develop, and deploy software solutions aimed at enhancing business operations, user satisfaction, and customer interaction. Our services cater to both aspiring startups and global enterprises. At Nimetler Technologies Software Solutions, we utilize established methodologies that not only
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Navi Mumbai, Maharashtra, In
Services Provided
60% Mobile App Development (iOS & Android)
25% Custom Web Application Development
15% API Development & Integration
AI Summary
“Nimetler Technologies specializes in delivering customized, high-quality software and mobile app solutions that enhance business operations and user engagement for startups and global enterprises.”
Mytholog Innovations
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Mytholog Innovations assists entrepreneurs and companies in transforming initial concepts into scalable, practical products. We begin by establishing clarity—providing a functioning first page, workflow, or demo to ensure teams are aligned and can progress confidently. Whether it’s MVPs or enterpris
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Pilani, Rajasthan, In
Services Provided
15% API Development & Integration
13% QA & Software Testing
22% Custom Web Application Development
50% DevOps Engineering
AI Summary
“Mytholog Innovations partners with entrepreneurs and businesses to develop scalable software solutions from concept to product, emphasizing clarity, transparency, and long-term reliability across diverse projects.”
iDigisol Web
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Established in 2009, our forward-thinking app development company has been a leader in the digital arena, focusing on cross-platform app creation. With ten years of experience, we have refined our expertise to develop seamless and adaptable applications that serve various platforms, guaranteeing a c
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
George, Western Cape, Za
Services Provided
50% Mobile App Development (iOS & Android)
20% Custom Web Application Development
10% E-Commerce Development
20% API Development & Integration
AI Summary
“Founded in 2009, iDigisol Web specializes in cross-platform app development, delivering seamless, adaptable digital solutions that enhance user experience across operating systems with innovative technology.”
Revido
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Consider Revido as a part of your team. We go beyond being just contractors; we are your collaborators in brainstorming, design, development, and all aspects in between.
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided
20% API Development & Integration
30% Mobile App Development (iOS & Android)
28% AI Strategy & Roadmap Consulting
22% Machine Learning Model Development
AI Summary
“Revido partners closely with clients, offering collaborative services in brainstorming, design, development, and comprehensive project support to deliver effective business solutions.”
Spinom Digital
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Spinom Digital creates digital products for mid-sized and large businesses and their customers. We focus on digitizing sales platforms and developing online stores for both local and global brands. Our clients have revolutionized the purchasing experience for a variety of goods, including books, air
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Tbilisi, Tbilisi, Ge
Services Provided
60% E-Commerce Development
25% Custom Web Application Development
15% API Development & Integration
AI Summary
“Spinom Digital develops comprehensive digital sales platforms and online stores for large brands across various sectors, enhancing purchasing experiences with tailored e-commerce and integration solutions.”
Profullstack, Inc.
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Transforming Your Concepts into Reality through Code and Innovation From envisioning to execution, we create digital works of art with precise coding and limitless imagination, turning every idea into a flawless pixel representation.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Los Gatos, California, Us
Services Provided
50% Custom Web Application Development
20% API Development & Integration
10% E-Commerce Development
20% Mobile App Development (iOS & Android)
AI Summary
“Profullstack, Inc. specializes in transforming ideas into digital solutions by combining innovative design with precise coding, delivering seamless, high-quality software products and services.”

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Top API Development & Integration Firms

List of the Best API Development & Integration Agencies

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