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

Vardot
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Vardot is an international company specializing in web development and design solutions, utilizing open-source technology to assist businesses in achieving digital transformation. We take a comprehensive approach to project management, guiding our clients through every phase of the project lifecycle
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
50-249
Employees
Santa Clara, California, Us
Services Provided+3 Services
20% Custom Web Application Development
10% API Development & Integration
3% E-Commerce Development
20% UX Research & Usability Testing
AI Summary
“Vardot is a global web development and design firm specializing in open-source digital transformation, offering end-to-end services and collaborating with leading organizations worldwide.”
Sattvabit
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At Sattvabit, we revolutionize businesses by implementing intelligent automation and AI-driven solutions that streamline manual processes and foster growth. Our AI integration experts have effectively automated essential business tasks, such as data collection and entry, quality assurance through ad
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Surat, Gujarat, In
Services Provided+5 Services
15% Custom Web Application Development
10% Mobile App Development (iOS & Android)
8% E-Commerce Development
13% API Development & Integration
AI Summary
“Sattvabit delivers intelligent AI-driven automation and full-stack development solutions across industries, enhancing operational efficiency, reducing costs, and enabling competitive growth worldwide.”
HMH Sistemas
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HMH Sistemas is a technology and innovation firm based in Mexico, specializing in custom software development and digital solutions. Established by a group of seasoned IT professionals, we merge technical expertise with a customer-centric approach to provide scalable, high-quality solutions tailored
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
25% Custom Web Application Development
25% Mobile App Development (iOS & Android)
20% API Development & Integration
15% E-Commerce Development
AI Summary
“HMH Sistemas, a Mexican technology firm, specializes in custom software and digital solutions, leveraging agile methods to deliver secure, scalable applications that drive digital transformation across industries.”
Coditi Labs Private Limited
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**Coditi Labs Private Limited - Turn Your Vision into Reality! 🌟** Welcome to Coditi, where we customize solutions to fit your needs! 🌟 At Coditi, we expand horizons. As an innovative and forward-looking agency on Upwork, we focus on delivering exceptional services that help businesses flourish in
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
40% Custom Web Application Development
35% Mobile App Development (iOS & Android)
15% API Development & Integration
10% E-Commerce Development
AI Summary
“Coditi Labs Private Limited delivers tailored digital solutions including software, web, mobile app development, and marketing services, driving business growth across diverse industries with innovative expertise.”
SAASPAL LLC
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We create tailored solutions to enhance your current system, adding greater value to your organization. At present, we are concentrating on developing integrations for Shopify and Zendesk. Additionally, we build hybrid applications using React Native. Our expertise includes technologies such as Reac
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Fort Worth, Texas, Us
Services Provided+4 Services
10% Custom Web Application Development
18% Mobile App Development (iOS & Android)
15% API Development & Integration
5% Backend Development
AI Summary
“SAASPAL LLC develops tailored software solutions, specializing in integrations for Shopify and Zendesk, and hybrid apps using technologies like React Native, TypeScript, and databases, partnering on innovative projects.”
Digitize Turf
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Digitize Turf is your go-to destination for creating customized mobile and web applications. I don't just write code; I create experiences. Together, we can transform your ideas into effective realities. 1. Tailored Solutions 2. Intuitive Interfaces 3. Growth-Oriented Strategies. Select Digitize Tur
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
Services Provided+3 Services
30% Mobile App Development (iOS & Android)
20% API Development & Integration
10% Software Development Services
10% DevOps Engineering
AI Summary
“Digitize Turf specializes in developing customized mobile and web applications, delivering intuitive interfaces and growth-oriented strategies through collaborative, client-focused partnerships that transform ideas into effective solutions.”
appmosphere
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**AI Implementation and Efficiency Consulting** What We Do: We create tailored AI applications and automated workflows to streamline challenging business operations. Our solutions typically decrease manual task durations by an average of 40% within the first 90 days. How We Lower Operational Cost
Highlights
$1,000+
Min Project Size
Innisfail, Alberta, Ca
Services Provided+6 Services
5% AI Strategy & Roadmap Consulting
12% LLM Integration & Prompt Engineering
3% Custom AI Chatbot Development
5% Machine Learning Model Development
AI Summary
“appmosphere delivers AI-driven automation and custom workflows that significantly cut manual tasks and operational costs, ensuring secure, scalable, and rapid AI deployment with measurable ROI.”
ZEXON s.r.o.
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We are an energetic group of enthusiastic technologists, creatives, and problem solvers. Our varied skill set comes together to produce smooth and user-friendly software designed to address the specific needs of today’s business environment. Our Offerings: We focus on developing innovative applicati
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided
45% Custom Web Application Development
40% Mobile App Development (iOS & Android)
15% API Development & Integration
AI Summary
“ZEXON s.r.o. is a dynamic team delivering innovative, user-friendly software and scalable enterprise solutions, specializing in web, mobile, and hardware integration to meet evolving business needs.”
SYONE
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Syone is the top open source provider in Portugal, offering a wide range of IT services, such as Outsourcing and Nearshore solutions, Managed Services, Turnkey Projects, and Software Subscriptions. By collaborating with prominent organizations in sectors like Telecommunications, Banking and Insuranc
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Amadora, Lisbon, Pt
Services Provided+4 Services
25% Custom Web Application Development
10% Mobile App Development (iOS & Android)
15% API Development & Integration
8% Custom AI Chatbot Development
AI Summary
“Syone, Portugal's leading open source provider, offers comprehensive IT services and digital transformation expertise across sectors, leveraging strategic partnerships and 25 years of experience with over 500 global clients.”
AppsTechy Private Limited
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🏆 Your All-in-One Destination for Web and Mobile Success! We are a Top Rated Plus Business Partner with ISO 9001 and ISO 27001 certifications. At AppsTechy, our team is driven by passion, expertise, and a dedication to surpassing client expectations. We offer exceptional skills in design, developme
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Mohali, Punjab, In
Services Provided+3 Services
20% Custom Web Application Development
15% Software Development Services
15% Graphic Design
15% Product UX Strategy
AI Summary
“AppsTechy Private Limited is a certified All-in-One web and mobile development firm, specializing in full-stack solutions, job portals, OpenAI integrations, UI/UX design, and responsive websites.”

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