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

8,487 Companies

List of the Best API Development & Integration Agencies

KaldiProfile set up by Edverise AI
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We assist start-ups and scale-ups in launching scalable web products. Our primary offerings include software development, UX/UI design, and project management. With extensive experience in product development and all stages of the launch process, we have compiled best practices and methodologies tha
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Ljubljana, Si
Services Provided+2 Services
28% Custom Web Application Development
12% Mobile App Development (iOS & Android)
10% API Development & Integration
25% Product UX Strategy
AI Summary
“Kaldi specializes in scalable web product development, offering software development, UX/UI design, and project management with agile, lean methodologies across diverse technologies and industries.”
Threde LLCProfile set up by Edverise AI
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Located in Washington, DC, we are a digital solutions provider focused on React Native, a unified cross-platform code. We deliver customized consulting, staffing, and specialized web or mobile app development services. Our expertise allows us to turn your ideas into reality through empathy-driven va
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Washington, District Of Columbia, Us
Services Provided
40% Mobile App Development (iOS & Android)
35% Custom Web Application Development
10% E-Commerce Development
15% API Development & Integration
AI Summary
“Threde LLC, based in Washington, DC, offers customized React Native consulting, staffing, and app development services emphasizing human-centered design, transparency, and agile methodologies to deliver quality digital solutions.”
Boss InsightsProfile set up by Edverise AI
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Boss Insights is a recognized leader in open banking, facilitating connections between fintech companies and financial institutions with their small and medium-sized business clients' financial, banking, commerce, payroll, and tax data in a matter of minutes. In addition to integrating data from pla
Highlights
2-9
Employees
Toronto, Ontario, Ca
Services Provided
35% Custom Web Application Development
15% API Development & Integration
22% Other IT Consulting and SI
28% Cloud Consulting & SI
AI Summary
“Boss Insights streamlines financial data integration for fintechs and financial institutions, enabling real-time access to SME banking, commerce, payroll, and tax data for enhanced client services.”
CGSparkProfile set up by Edverise AI
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CGSpark is a specialized development agency focused on creating web and mobile applications for startups, small and medium-sized businesses, and large enterprises globally. We excel in handling technically intricate projects that involve comprehensive integration, careful architectural planning, and
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Tel Aviv-Yafo, Il
Services Provided
50% Custom Web Application Development
40% Mobile App Development (iOS & Android)
10% API Development & Integration
AI Summary
“CGSpark is a development agency delivering complex web and mobile applications for diverse clients, combining technical expertise, strategic planning, and experienced leadership for reliable software solutions.”
Ascendeon Group Inc.Profile set up by Edverise AI
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We are a reliable partner in business process outsourcing and IT solutions. 🌐 ISO-Certified Quality: We take pride in our ISO 9001 certification for process quality and ISO 27001 accreditation for information security, guaranteeing that our services adhere to the highest standards. 🚀 BPO Services:
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
New Town, West Bengal, In
Services Provided+3 Services
7% Mobile App Development (iOS & Android)
17% API Development & Integration
10% E-Commerce Development
33% Cloud Consulting & SI
AI Summary
“Ascendeon Group Inc. offers ISO-certified business process outsourcing and IT solutions, including digital transformation, software development, cloud services, data analytics, and virtual CIO support to optimize business efficiency.”
ZeroTwo SolutionsProfile set up by Edverise AI
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Our Offerings: ✅ Development of Web and Mobile Applications (iOS & Android) ✅ Real-time Applications and Analytics ✅ Serverless Architecture and Cloud Services ✅ Integration of AI and Machine Learning ✅ Tailored Software Development ✅ SEO, Digital Marketing, and Branding ✅ UI/UX Design and Graphics
Highlights
10-49
Employees
Surat, Gujarat, In
Services Provided
50% Custom Web Application Development
40% Mobile App Development (iOS & Android)
10% API Development & Integration
AI Summary
“ZeroTwo Solutions specializes in web and mobile app development, AI integration, cloud services, SEO, and UI/UX design, offering tailored software with risk-free trials to support business growth.”
ksksoft technologies pvt ltdProfile set up by Edverise AI
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We connect the divide between costly consulting agencies and untrustworthy freelancers by providing top-quality solutions at fair and clear pricing. Whether you're a startup developing your initial web application, a small to medium-sized enterprise aiming to digitize processes, or a large organizat
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided
20% API Development & Integration
45% Custom Web Application Development
15% Mobile App Development (iOS & Android)
20% E-Commerce Development
AI Summary
“KSKSoft Technologies Pvt Ltd provides reliable, enterprise-level software solutions for startups to large enterprises, ensuring quality, transparency, and support across diverse digital transformation projects.”
Devyar - Creative AgencyProfile set up by Edverise AI
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Devyaris is an innovative digital agency committed to turning concepts into meaningful digital experiences. We focus on website development, logo creation, branding, mobile application development, ERP systems, POS solutions, and personalized web applications. Our goal is to support businesses in th
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Sacramento, California, Us
Services Provided
15% API Development & Integration
35% Custom Web Application Development
10% E-Commerce Development
40% Mobile App Development (iOS & Android)
AI Summary
“Devyar is a digital agency specializing in website and mobile app development, branding, ERP, and POS solutions, delivering innovative, customized technology-driven experiences to support business growth.”
Innonexa Tech Pvt LtdProfile set up by Edverise AI
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We are more than just a business; we are a group of innovators, strategists, and creators brought together by a shared mission – transforming potential into reality. Our varied skills create a dynamic team that excels at overcoming obstacles and breaking new ground. At the heart of our organization
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Surat, Gujarat, In
Services Provided
40% Mobile App Development (iOS & Android)
35% Custom Web Application Development
15% API Development & Integration
10% E-Commerce Development
AI Summary
“Innonexa Tech Pvt Ltd is a dynamic team of innovators specializing in app development, gaming, and digital marketing, committed to integrity, teamwork, and impactful digital solutions.”
CodersProfile set up by Edverise AI
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Coders is a firm focused on the design, development, and maintenance of web and mobile applications. We assist businesses in Jordan, Saudi Arabia, the Middle East, the US, and Europe in addressing operational challenges by offering top-notch products and secure, scalable solutions.
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Amman, Amman, Jo
Services Provided+2 Services
15% API Development & Integration
23% Custom Web Application Development
13% Mobile App Development (iOS & Android)
20% Web App UI Design
AI Summary
“Coders specializes in designing, developing, and maintaining secure web and mobile applications, delivering scalable solutions to businesses across the Middle East, US, and Europe.”

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