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

8,618 Companies

List of the Best API Development & Integration Agencies

Eco-Soft Economic Software GmbHProfile set up by Edverise AI
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Über uns Eco-Soft ist ein Schweizer Softwareunternehmen, das sich auf die Entwicklung von mobilen Apps spezialisiert hat. Wir bieten durchdachte, nachhaltige und technisch fortschrittliche Lösungen für Unternehmen jeder Größe. Seit über 20 Jahren entwickeln wir maßgeschneiderte Anwendungen, die Gesc
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided
70% Mobile App Development (iOS & Android)
20% API Development & Integration
10% QA & Software Testing
AI Summary
“Eco-Soft Economic Software GmbH, a Swiss company, specializes in developing sustainable, high-quality mobile apps for iOS and Android, delivering tailored digital solutions with agile methods and reliable support.”
Benedict Wallis - Web DeveloperProfile set up by Edverise AI
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I am a freelance full-stack web developer with more than 16 years of experience in the field. I provide web development, consulting, and technical mentoring services to businesses of various sizes, including start-ups, agencies, designers, and fellow freelancers. My expertise lies in creating intric
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
Bristol, England, Gb
Services Provided
50% Custom Web Application Development
25% E-Commerce Development
25% API Development & Integration
AI Summary
“Benedict Wallis is a freelance full-stack web developer with 16+ years experience, specializing in custom web solutions, consulting, mentoring, and advanced WordPress and e-commerce development.”
MoreBytesProfile set up by Edverise AI
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The finest code often emerges from the most unexpected sources and moments. Allow us to assist you in transforming your ideas into reality with code that will make your projects shine.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Mount Pleasant, South Carolina, Us
Services Provided
40% Custom Web Application Development
30% API Development & Integration
15% E-Commerce Development
15% QA & Software Testing
AI Summary
“MoreBytes specializes in turning innovative ideas into exceptional software solutions, delivering high-quality code to enhance and realize diverse project goals across industries.”
ARG SystemsProfile set up by Edverise AI
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ARG Systems specializes in creating tailored, lightweight web portals and automated quoting tools designed to simplify manual processes for small and medium-sized enterprises in the UK. Located in Towcester, the company aims to develop custom internal systems that enhance employee adoption and elimi
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
Northampton, England, Gb
Services Provided
75% Custom Web Application Development
25% API Development & Integration
AI Summary
“ARG Systems develops customized, lightweight web portals and automated quoting tools for UK SMEs, streamlining workflows and replacing unreliable spreadsheets with centralized systems.”
RD Research LtdProfile set up by Edverise AI
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We are a group of skilled software developers, recognized by small and medium-sized enterprises as well as national organizations like the NHS. Our team consists of top-notch developers in the UK who possess a genuine grasp of the technology, rather than merely depending on AI and quick fixes. We th
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Norwich, England, Gb
Services Provided
40% Custom Web Application Development
15% E-Commerce Development
30% API Development & Integration
15% Mobile App Development (iOS & Android)
AI Summary
“RD Research Ltd. is a UK-based software development team esteemed by SMEs and NHS, delivering deeply understood, meticulously crafted code ensuring robust, integrated technological solutions.”
SelectsoftProfile set up by Edverise AI
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Selectsoft is a software firm that is dedicated to empowering entrepreneurs to leverage technology for successful business development through performance tracking, monitoring, and comprehensive business management. Established in 2008 in Baia Mare, it is a fully Romanian company that serves clients
Highlights
10-49
Employees
Baia Mare, Maramures, Ro
Services Provided
65% Custom Web Application Development
25% API Development & Integration
10% Mobile App Development (iOS & Android)
AI Summary
“Selectsoft is a Romanian software company offering customizable business management solutions integrating inventory, invoicing, CRM, e-commerce, and financial tracking to support entrepreneurial growth.”
Starrett ProjectsProfile set up by Edverise AI
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I’m a freelancer passionate about tackling business challenges, delivering exceptional user experiences, and designing sleek, professional-looking web pages. I can assist your project or business with either a static website or a comprehensive web-hosted application that manages payroll, completed t
Highlights
< $25/hr
Avg Hourly Rate
Jasper, Georgia, Us
Services Provided
75% Custom Web Application Development
25% API Development & Integration
AI Summary
“Starrett Projects is a freelance web development service offering tailored static sites and dynamic applications with modern technologies like React, Node.js, and comprehensive business solutions.”
N
NT & O AnalyticsProfile set up by Edverise AI
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We transform your data into practical insights. Established in 2021 by an enthusiastic data engineer and a data scientist, our startup aims to enable businesses of all sizes to leverage their data effectively. Based in Johannesburg, South Africa, our dynamic team of experts is dedicated to fostering
Highlights
Sandton, Za
Services Provided
33% Cloud Consulting & SI
24% Cloud Infrastructure Setup (AWS / GCP / Azure)
10% DevOps Engineering
33% API Development & Integration
AI Summary
“NT & O Analytics is a Johannesburg-based startup transforming data into actionable insights, empowering businesses with expert data engineering and analytics solutions to drive innovation and growth.”
SFWebProfile set up by Edverise AI
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SFWeb is a Canadian web agency specializing in tailored web development, API integrations, automation, SEO, and management of Google Ads for businesses seeking effective technical solutions.
Highlights
Toronto, Ontario, Ca
Services Provided
30% API Development & Integration
20% Custom Web Application Development
50% Digital Strategy
AI Summary
“SFWeb is a Canadian agency specializing in customized web development, API integration, automation, SEO, and Google Ads management to deliver effective digital solutions for businesses.”
PReferMe.aiProfile set up by Edverise AI
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The future of recruitment is shifting away from generic applications and towards meaningful connections. At pReferMe, we are transforming the hiring landscape in India by harnessing the power of verified employee referrals. Our platform connects exceptional job seekers with reliable professionals al
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Pune, Maharashtra, In
Services Provided+3 Services
5% AI Strategy & Roadmap Consulting
8% LLM Integration & Prompt Engineering
8% Custom AI Chatbot Development
12% Generative AI
AI Summary
“PReferMe.ai modernizes recruitment in India by facilitating verified employee referrals, connecting job seekers with trusted insiders and enabling employees to monetize their networks efficiently.”

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