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 7, 2026

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8,617 Companies

List of the Best API Development & Integration Agencies

OpteonProfile set up by Edverise AI
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Opteon is a technology software engineering firm located in Belgium, focusing on cross-platform mobile applications, contemporary web solutions, and Microsoft-related services (such as Teams Apps, Power Platform, Azure, etc.). Our team of highly skilled engineers merges professionalism, agility, and
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Services Provided
20% API Development & Integration
50% Mobile App Development (iOS & Android)
30% Custom Web Application Development
AI Summary
“Opteon is a Belgian software engineering firm delivering cross-platform mobile apps, modern web solutions, Microsoft ecosystem services, and strategic technology consulting for adaptable business digitalization.”
Popping Design TechProfile set up by Edverise AI
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Popping Design is a strategic digital product agency that focuses on UX/UI design, full-stack development, mobile engineering, AI automation, growth engineering, and integrated legal compliance. We develop customized digital products aimed at achieving specific outcomes—ranging from high-conversion
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Raipur, Chhattisgarh, In
Services Provided
40% Custom Web Application Development
20% API Development & Integration
25% E-Commerce Development
15% Mobile App Development (iOS & Android)
AI Summary
“Popping Design Tech is a strategic digital agency specializing in UX/UI, full-stack development, AI automation, and legal compliance, delivering customized, outcome-driven products for startups' business success.”
Contivix TechnologiesProfile set up by Edverise AI
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At Contivix Technologies, we are committed to empowering businesses through advanced digital solutions. As a leading provider of tailored software development, web development, mobile application solutions, and cloud services, we assist organizations in turning their concepts into reality. Our team
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Services Provided
100% API Development & Integration
100% UX Research & Usability Testing
100% Managed IT Services
100% Search Engine Optimization (SEO)
AI Summary
“Contivix Technologies delivers custom software, web and mobile apps, AI, IoT, cloud services, and IT consulting, enabling businesses with innovative, scalable digital transformation solutions.”
IversoftProfile set up by Edverise AI
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Iversoft is a software development company focused on mobile solutions that enhances organizational operations. Our approach centers on people. We recognize that the true worth of technology lies in its capacity to benefit its users. Therefore, we prioritize the needs of our clients and their custom
Highlights
$50,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Ottawa, Ontario, Ca
Services Provided+3 Services
35% Mobile App Development (iOS & Android)
20% Custom Web Application Development
15% API Development & Integration
5% E-Commerce Development
AI Summary
“Iversoft is a Canadian software development firm specializing in mobile, web, and custom software solutions across education, retail, government, and eCommerce sectors, emphasizing user-centered digital innovation.”
DeckSpectra TechnologiesProfile set up by Edverise AI
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At DeckSpectra Technologies, we go beyond simply offering IT solutions; we focus on empowering businesses to reach their full potential. Our goal is to facilitate digital transformation, enhance operations, and enable organizations to achieve exceptional efficiency and productivity levels. From stre
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Services Provided
50% API Development & Integration
20% E-Commerce Development
30% Mobile App Development (iOS & Android)
100% ERP Consulting and SI
AI Summary
“DeckSpectra Technologies delivers innovative IT solutions that drive digital transformation, optimize operations, and enhance business efficiency and productivity across diverse industries.”
BootiaProfile set up by Edverise AI
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Our expertise lies in creating native iOS applications. We’re confident that we can assist you in developing the app you envision. With more than 10 years of experience in designing and launching iOS apps, we are ready to help. If you're looking to create something new, let’s discuss your project so
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Montevideo, Montevideo, Uy
Services Provided+1 Services
45% Mobile App Development (iOS & Android)
15% Backend Development
15% Frontend Development
15% API Development & Integration
AI Summary
“Bootia specializes in native iOS app development with over 10 years of experience, offering design, launch, and collaboration services to create and enhance mobile applications.”
BOVO DigitalProfile set up by Edverise AI
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Vos outils ne s'intègrent pas ? Vous souhaitez une application personnalisée pour dynamiser votre entreprise ? Je suis William, et en deux ans, j'ai amélioré les opérations de plus de 100 dirigeants et entrepreneurs. Mon atout ? L'automatisation intelligente grâce à l'IA et le développement No-Code
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
Services Provided
55% API Development & Integration
45% Mobile App Development (iOS & Android)
100% AI Agent & Multi-Agent System Development
AI Summary
“BOVO Digital specializes in intelligent automation and custom no-code web and mobile applications, enhancing operational efficiency and accelerating growth for over 100 businesses via AI integration.”
S
SolverCircleProfile set up by Edverise AI
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We have been operating in the IT sector for more than 17 years, during which we have assisted over a thousand businesses in their growth. Our primary focus is on full stack web development. Additionally, we have created and own numerous applications and plugins for various e-commerce platforms, as w
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Hurstville, New South Wales, Au
Services Provided
50% Custom Web Application Development
20% API Development & Integration
30% Mobile App Development (iOS & Android)
AI Summary
“SolverCircle has over 17 years of experience in IT, specializing in full stack web development, e-commerce plugins, and popular mobile applications, supporting business growth worldwide.”
W
WebRTC.venturesProfile set up by Edverise AI
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WebRTC.ventures is among the few software development firms globally that specializes in WebRTC and now also incorporates AI integration. Our commitment and expertise have earned the trust of numerous clients looking to realize their visions for real-time applications. We offer services to build, in
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Charlottesville, Virginia, Us
Services Provided
20% API Development & Integration
50% Custom Web Application Development
30% Mobile App Development (iOS & Android)
AI Summary
“WebRTC.ventures specializes in WebRTC and AI-integrated real-time application development, offering end-to-end services with a diverse remote team, serving clients globally since 2010.”
STWIN SPARX PVT LTDProfile set up by Edverise AI
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Established in 2019, STWIN SPARX PVT LTD is a comprehensive IT and BPO solutions provider committed to fostering the growth of startups and small to medium-sized enterprises throughout India. With a strong expertise in both technology and business, we focus on creating scalable digital solutions tha
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Udaipur, Rajasthan, In
Services Provided+1 Services
45% API Development & Integration
20% E-Commerce Development
35% Mobile App Development (iOS & Android)
65% Web App UI Design
AI Summary
“STWIN SPARX PVT LTD, established in 2019, offers comprehensive IT and BPO services including digital solutions and business process outsourcing to support startups and SMEs across India.”

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