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

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8,618 Companies

List of the Best API Development & Integration Agencies

The Product DevProfile set up by Edverise AI
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**The Product Dev: Your Expert Partner in Data and Software Solutions** The Product Dev is a leading consultancy in data and software development that connects intricate engineering with essential business goals. We go beyond simply providing services; we serve as a high-level technical ally for or
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
30% LLM Integration & Prompt Engineering
20% Generative AI
50% BI & Big Data Consulting & SI
50% Business Intelligence (BI) Dashboard Development
AI Summary
“The Product Dev specializes in custom data infrastructure, workflow automation, and software development, delivering expert technical solutions that streamline business processes and enhance decision-making efficiency.”
HBKY TechProfile set up by Edverise AI
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I possess a strong sense of curiosity and thrive in collaborative environments. When confronted with challenges, I actively seek the most effective solutions. As an experienced developer proficient in Laravel, Django (DRF), FastAPI, Vue, and React, I combine technical skills with creativity to trans
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
Services Provided+1 Services
60% API Development & Integration
40% Mobile App Development (iOS & Android)
70% Web App UI Design
30% UX Research & Usability Testing
AI Summary
“HBKY Tech is a collaborative and curious development partner skilled in Laravel, Django, FastAPI, Vue, and React, delivering clean, effective, and visually appealing web solutions.”
Bit-uaProfile set up by Edverise AI
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Bit-ua is a recognized partner and professional integrator of Business Automation Software (BAS) in Ukraine. We focus on assisting business owners, accountants, and managers in enhancing their operations through improved accuracy in accounting, data management, and internal processes. **Customizat
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
35% Custom Web Application Development
10% Mobile App Development (iOS & Android)
40% API Development & Integration
15% E-Commerce Development
AI Summary
“Bit-ua specializes in tailoring and integrating Business Automation Software in Ukraine, enhancing accounting accuracy, data management, and operational efficiency for diverse business needs.”
itera LabsProfile set up by Edverise AI
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Itera Labs is a technology firm committed to creating scalable systems that align with ambitious goals. We collaborate with organizations to design and develop strong digital platforms that optimize operations, reduce inefficiencies, and establish a basis for sustainable long-term growth. We firmly
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
30% Custom Web Application Development
25% API Development & Integration
10% E-Commerce Development
20% Mobile App Development (iOS & Android)
AI Summary
“Itera Labs partners with diverse organizations to develop scalable, efficient digital platforms and automation solutions that enhance operations, support growth, and foster long-term business innovation.”
RootDockProfile set up by Edverise AI
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We develop scalable, API-driven headless e-commerce solutions for businesses and digital agencies that require greater flexibility than traditional platforms offer. Our platform is tailored for contemporary commerce settings, where performance, customization, and scalability are essential. Construct
Highlights
$1,000+
Min Project Size
150+
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
25% Custom Web Application Development
30% Backend Development
35% API Development & Integration
10% SaaS Product Development
AI Summary
“RootDock offers scalable, customizable headless e-commerce solutions with robust APIs and multi-tenant architecture, enabling businesses to build flexible, high-performance, and integrable commerce platforms.”
Welsh TechnologiesProfile set up by Edverise AI
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Hello, we are Welsh Technologies. Our clients often share how much they have improved thanks to the solutions we provide that they genuinely enjoy using. We can back up these claims with data. Custom Software / Web Solution Development: Generic solutions don’t suit everyone. Allow us to create a t
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Raleigh, North Carolina, Us
Services Provided
70% Custom Web Application Development
30% API Development & Integration
100% Web App UI Design
100% Custom AI Chatbot Development
AI Summary
“Welsh Technologies delivers tailored software and web solutions, including AI chatbots, Microsoft 365 implementations, and integration services, supported by consultancy, training, and strategic partnerships.”
KoloTreeProfile set up by Edverise AI
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KoloTree is an IT service provider focused on delivering high-quality services through a unique, cross-functional, self-organized team. Our diverse expertise is our greatest strength, enabling us to offer a range of services including: - Custom solution development - System integration via web ser
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Novi Sad, Rs
Services Provided
70% Custom Web Application Development
30% API Development & Integration
100% AI Strategy & Roadmap Consulting
100% Operational Process Consulting
AI Summary
“KoloTree offers comprehensive IT services, combining diverse expertise and agile methodologies to deliver quality custom solutions, system integration, reactive systems, and consulting aligned with client needs and industry changes.”
MiniculeProfile set up by Edverise AI
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Minicule is an AI-driven research platform designed for life sciences teams. It integrates and analyzes worldwide patent information, PubMed literature, and UniProt protein records through a user-friendly interface. Users can engage with either a Research AI Agent or a Patent AI Agent, pose scientif
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided
70% Custom Web Application Development
30% API Development & Integration
75% Custom AI Chatbot Development
25% AI Agent & Multi-Agent System Development
AI Summary
“Minicule is an AI-driven platform for life sciences, integrating patents, literature, and protein data into interactive knowledge graphs, enabling users to explore and analyze complex biomedical information without coding.”
UzoutsourceProfile set up by Edverise AI
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Creating effective custom web and mobile applications. Our goal is to enhance clients' return on investment while delivering top-notch service and addressing business requirements.
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
40% API Development & Integration
20% E-Commerce Development
40% Mobile App Development (iOS & Android)
35% Product UX Strategy
AI Summary
“Uzoutsource specializes in developing tailored web and mobile applications, aiming to optimize clients' ROI by providing high-quality services that meet diverse business needs.”
FuturiX SolutionsProfile set up by Edverise AI
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Welcome to FuturiX Solutions, an innovative blockchain and software development firm based in Poland, with development hubs throughout Eastern Europe. Our mission is to drive business growth today while building a remarkable future. As leaders in the industry, we offer comprehensive development serv
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Warszawa, Masovian, Pl
Services Provided+5 Services
10% Mobile App Development (iOS & Android)
15% E-Commerce Development
5% Legacy System Modernization
20% API Development & Integration
AI Summary
“FuturiX Solutions is a Poland-based innovative software and blockchain development firm delivering comprehensive, tailored full-cycle solutions including front-end, back-end, blockchain, and DevOps for startups and enterprises.”

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