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 8, 2026

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8,617 Companies

List of the Best API Development & Integration Agencies

Orbit LabsProfile set up by Edverise AI
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We're Orbit Labs, a small software boutique located in Hamburg, Germany. We believe that software should adapt to individuals, fulfill their needs, and simplify their lives and work, rather than the other way around. Therefore, in addition to creating technically excellent products, we prioritize al
Highlights
100-149
Avg Hourly Rate
2-9
Employees
Hamburg, Hamburg, De
Services Provided
40% Custom Web Application Development
35% Mobile App Development (iOS & Android)
10% E-Commerce Development
15% API Development & Integration
AI Summary
“Orbit Labs is a Hamburg-based software boutique specializing in user-centric, technically excellent software solutions designed to adapt to individual needs and simplify work and life.”
Silver ScintillaProfile set up by Edverise AI
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Silver Scintilla is an India-based software outsourcing company that offers software development services globally, including in Sweden, the USA, Australia, South Africa, the UK, and Europe. We specialize in a range of technologies, including WordPress, PHP, iOS, Android, React Native, SharePoint, C
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Ahmedabad, Gujarat, In
Services Provided+3 Services
20% Custom Web Application Development
25% Mobile App Development (iOS & Android)
10% API Development & Integration
10% SaaS Product Development
AI Summary
“Silver Scintilla is an India-based software outsourcing company delivering diverse global custom software solutions across multiple technologies, including mobile, web, and enterprise application development.”
ADNEWProfile set up by Edverise AI
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We provide tailored CRM (Customer Relationship Management) solutions aimed at enhancing customer relationship management by incorporating cutting-edge technology.
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Lisboa, Lisbon, Pt
Services Provided+1 Services
60% API Development & Integration
40% Mobile App Development (iOS & Android)
90% CRM Consulting and SI
10% ERP Consulting and SI
AI Summary
“ADNEW delivers customized CRM solutions leveraging advanced technology to optimize customer relationship management and support business growth across industries.”
LiventusProfile set up by Edverise AI
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Liventus is a company focused on technology modernization, automation, and decision intelligence, particularly in complex sectors with strong expertise in Artificial Intelligence, equipment finance, lending, fintech, and healthcare. Established in 2001 and based in Northbrook, Illinois, Liventus has
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
50-249
Employees
Chicago, Illinois, Us
Services Provided+5 Services
45% Custom Web Application Development
40% API Development & Integration
15% E-Commerce Development
20% AI Strategy & Roadmap Consulting
AI Summary
“Liventus specializes in technology modernization, automation, and AI-driven decision intelligence for finance, healthcare, and manufacturing sectors, delivering scalable solutions with strategic onshore-offshore partnerships.”
XNESTProfile set up by Edverise AI
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XNEST is a software company based in the US that specializes in creating production-ready Shopify stores and tailored web applications for clients in the US and Europe. Our approach emphasizes clean implementation, well-defined project scopes, and systems designed for long-term usability. We are exp
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Miami, Florida, Us
Services Provided
50% E-Commerce Development
40% Custom Web Application Development
10% API Development & Integration
AI Summary
“XNEST is a US-based software company specializing in Shopify store development and custom Angular/.NET web applications, delivering stable, maintainable, production-ready systems with clear implementation and realistic timelines.”
Quallit Technologies (OPC) Pvt LtdProfile set up by Edverise AI
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About Us We are a group of software engineering experts based in India, driven by a common goal: to provide top-notch software solutions. Our key skills include backend development, with some frontend capabilities, and mobile app development. Our Expertise Our Mission We are dedicated to us
Highlights
25-49
Avg Hourly Rate
2-9
Employees
Ahmedabad, Gujarat, In
Services Provided
15% API Development & Integration
35% Mobile App Development (iOS & Android)
40% Backend Development
10% Frontend Development
AI Summary
“Quallit Technologies (OPC) Pvt Ltd. is an India-based software engineering firm specializing in backend and mobile app development, committed to delivering quality solutions and fostering global client partnerships.”
DiversidoProfile set up by Edverise AI
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Established in 2013, Diversido is a UK-based development studio focused on creating web and mobile solutions for healthcare, education, wellness, and IoT sectors. We assist startups and growing businesses in developing secure, scalable, and regulation-compliant digital products that users appreciate
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
London, England, Gb
Services Provided+3 Services
25% Mobile App Development (iOS & Android)
20% Custom Web Application Development
15% Backend Development
10% Frontend Development
AI Summary
“Diversido is a UK-based studio delivering secure, scalable web and mobile solutions for healthcare, education, wellness, and IoT, emphasizing clear communication and regulatory compliance.”
HoldappProfile set up by Edverise AI
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A software company dedicated to achieving your objectives, we provide extensive app development services. Founded in 2012, Holdapp has developed over 70 applications for more than 30 clients across various sectors, including sports betting, e-commerce, and cryptocurrency. Our areas of expertise enco
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Wroclaw, Lower Silesian, Pl
Services Provided+1 Services
40% Mobile App Development (iOS & Android)
25% Custom Web Application Development
15% Backend Development
10% Frontend Development
AI Summary
“Holdapp is a software company specializing in agile mobile and web app development across diverse sectors, offering comprehensive design, development, testing, and deployment services since 2012.”
Capasso TechProfile set up by Edverise AI
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At Capasso Tech, we specialize in creating personalized software solutions for entrepreneurs and companies. Our services include building websites, online stores, mobile apps, and custom software designed to fit your specific requirements. Reach out to us today to learn how we can enhance your busin
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Parana, Entre Rios, Ar
Services Provided
15% API Development & Integration
40% Custom Web Application Development
35% Mobile App Development (iOS & Android)
10% Legacy System Modernization
AI Summary
“Capasso Tech develops tailored software solutions including websites, e-commerce platforms, mobile apps, and custom software, empowering businesses with personalized digital tools to enhance their operations.”
Devsfield SoftwareProfile set up by Edverise AI
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Devsfield is a software development firm that specializes in creating new software and enhancing existing systems. We concentrate on digital transformation, software engineering, AI-based solutions, and staff augmentation. **Service Model** We prioritize collaboration, transparency, and flexibilit
Highlights
$1,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Gaziemir, Izmir, Tr
Services Provided+2 Services
50% LLM Integration & Prompt Engineering
40% Custom AI Chatbot Development
10% IT Staff Augmentation
35% API Development & Integration
AI Summary
“Devsfield Software specializes in software development, digital transformation, AI solutions, and staff augmentation, delivering agile, collaborative, and cutting-edge technology services tailored to client needs.”

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