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 11, 2026

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8,618 Companies

List of the Best API Development & Integration Agencies

AppycodesProfile set up by Edverise AI
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We are a technology solutions company specializing in web and mobile development, creating incredible websites, mobile applications, and e-commerce platforms daily. Our team consists of designers, developers, and tech enthusiasts who are experts in web and mobile technologies. We take pride in mergi
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Siliguri, West Bengal, In
Services Provided+1 Services
35% Custom Web Application Development
35% Mobile App Development (iOS & Android)
25% E-Commerce Development
5% API Development & Integration
AI Summary
“Appycodes delivers comprehensive technology solutions, specializing in web development, mobile applications, e-commerce, and ad management, leveraging expertise and open-source tools for diverse clients.”
Haiman Resources ConsultingProfile set up by Edverise AI
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Haiman Resources Consulting (HRC) was founded with the recognition that in the fast-changing digital world, businesses require more than just technology; they need strategic partners to help navigate complex transformations while safeguarding their innovations and ensuring scalability. Our founding
Highlights
$1,000+
Min Project Size
10-49
Employees
East Orange, New Jersey, Us
Services Provided+1 Services
60% API Development & Integration
40% Mobile App Development (iOS & Android)
100% Cloud Consulting & SI
100% DevOps Engineering
AI Summary
“Haiman Resources Consulting specializes in strategic digital transformation, combining expertise in software engineering and cybersecurity to deliver secure, scalable, and customized solutions across diverse industries.”
Doug Silkstone - Full-Stack EngineeringProfile set up by Edverise AI
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My name is Doug Silkstone, and I am a British software engineer residing in Prague. I focus on Greenfield Projects and Early-Stage Startups, assisting founders in developing their initial production systems, MVPs, and LLM workflows. Throughout the last decade, I've collaborated with tech-savvy compa
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Prague, Cz
Services Provided+4 Services
45% Custom Web Application Development
25% API Development & Integration
20% Backend Development
10% Frontend Development
AI Summary
“Doug Silkstone is a British full-stack engineer in Prague specializing in early-stage startups and greenfield projects, combining software development with growth and marketing expertise to build revenue-generating products.”
NAXIT Technology GmbHProfile set up by Edverise AI
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NAXIT Technology GmbH ist ein modernes IT-Unternehmen, das sich auf digitale Lösungen für Unternehmen spezialisiert hat. Es unterstützt seine Kunden dabei, Prozesse zu digitalisieren, Software zu entwickeln, Daten effektiv zu nutzen und technische Infrastrukturen effizient zu gestalten. NAXIT kombin
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Recklinghausen, De
Services Provided+2 Services
50% Custom Web Application Development
40% API Development & Integration
10% E-Commerce Development
100% AI-Powered Document Processing
AI Summary
“NAXIT Technology GmbH develops tailored digital solutions enhancing business processes, software, data utilization, and infrastructure to drive efficiency, automation, and sustainable growth for enterprises.”
EvelikoProfile set up by Edverise AI
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Eveliko is a Bulgarian firm that specializes in Sitefinity development for medium to large enterprises. Our clientele comprises banks, government entities, universities, and others. We concentrate primarily on Sitefinity, having completed more than 100 projects for clients in over 20 different indus
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Veliko Tarnovo, Bg
Services Provided+4 Services
15% Code Review & Technical Audits
50% Custom Web Application Development
25% API Development & Integration
10% Legacy System Modernization
AI Summary
“Eveliko is a Bulgarian firm specializing in Sitefinity development, delivering tailored solutions across banking, government, education, and more, serving medium to large enterprises globally.”
iLeaf Solutions Pvt. Ltd.Profile set up by Edverise AI
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Since 2007, iLeaf Solutions has been creating and managing top-tier applications. We turn concepts into tailored digital solutions by leveraging AI, AR, ML, and cloud computing technologies. Our development team approaches every project with care, attention to detail, and a focus on achieving the hi
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
50-249
Employees
Services Provided+4 Services
70% Mobile App Development (iOS & Android)
20% API Development & Integration
10% QA & Software Testing
20% AI Strategy & Roadmap Consulting
AI Summary
“iLeaf Solutions Pvt. Ltd. specializes in developing bespoke digital applications using AI, AR, ML, and cloud technologies, delivering high-quality solutions with expert precision since 2007.”
Startup LabsProfile set up by Edverise AI
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Startup Labs assists startups and expanding companies in making informed technology choices, implementing smart automation, and developing scalable software efficiently and accurately. Whether you're testing a minimum viable product or upgrading corporate systems, we provide the strategic insight an
Highlights
$10,000+
Min Project Size
2-9
Employees
Services Provided+1 Services
45% API Development & Integration
55% Custom Web Application Development
80% IT Staff Augmentation
20% Other IT Consulting and SI
AI Summary
“Startup Labs delivers expert technology consultation, smart automation solutions, and scalable software development to support startups and growing businesses in accelerating progress and improving decisions.”
Danubius IT SolutionsProfile set up by Edverise AI
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**Value Creation** We are passionate about developing software that users truly appreciate. Our primary focus is on helping you achieve your business objectives while providing your users with an unforgettable experience (UX/CX). Stand out from your competitors! **Honesty & Trust** We commit only t
Highlights
$50,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Budapest, Budapest, Hu
Services Provided+3 Services
15% API Development & Integration
35% Mobile App Development (iOS & Android)
10% Legacy System Modernization
40% Custom Web Application Development
AI Summary
“Danubius IT Solutions delivers tailored software development, cloud consulting, and AI-driven automation, emphasizing user experience, trust, and collaborative partnerships to support diverse business needs.”
Sigmatus SolutionsProfile set up by Edverise AI
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Sigmatus Solutions is a company focused on digital transformation, collaborating with entrepreneurs, startups, and enterprises to create, enhance, and modernize technology-driven products and platforms. Our areas of expertise include: • Tailored software development (web, mobile, SaaS) • Mobile appl
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Bengaluru, Karnataka, In
Services Provided+1 Services
20% API Development & Integration
35% Mobile App Development (iOS & Android)
35% Custom Web Application Development
10% E-Commerce Development
AI Summary
“Sigmatus Solutions delivers tailored digital transformation services including software development, mobile apps, cloud modernization, and AI, enabling scalable, innovative technology platforms for diverse clients.”
GrowWILL InfotechProfile set up by Edverise AI
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GrowWill Infotech: Your Access Point for All-Inclusive Software Solutions. We offer a variety of services such as Python programming, WordPress services, graphic design, API development, e-commerce, logo creation, and more. With our skills and commitment, we enable businesses to succeed in the digit
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
60% API Development & Integration
40% E-Commerce Development
50% Search Engine Optimization (SEO)
30% Content Marketing Strategy
AI Summary
“GrowWILL Infotech delivers comprehensive software solutions including Python programming, WordPress, graphic design, API development, e-commerce, and branding services to support digital business success.”

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