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.

How this list is built

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

Tuendum ConsultingProfile set up by Edverise AI
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🇩🇴 Más que una compañía dedicada a soluciones de red e infraestructura, nos consideramos un aliado comercial, con un enfoque en la seguridad de la información.
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Santo Domingo, Do
Services Provided
25% BI & Big Data Consulting & SI
25% API Development & Integration
25% Cybersecurity Assessments & Hardening
25% Operational Process Consulting
AI Summary
“Tuendum Consulting is a Dominican Republic-based partner specializing in network infrastructure solutions with a strong emphasis on information security and business collaboration.”
Inline ManualProfile set up by Edverise AI
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With Inline Manual integrated in your application, you can guide your users towards success through adaptable tours, tips, and tutorials aimed at helping them achieve their objectives and obtain results. Our clients utilize our authoring tool to create tutorials that assist users in navigating chall
Highlights
10-49
Employees
Services Provided
70% Custom Web Application Development
20% API Development & Integration
10% Legacy System Modernization
AI Summary
“Inline Manual offers adaptable in-app tutorials and interactive guidance tools with segmentation and analytics, enabling clients to support and engage users effectively throughout their onboarding and product engagement.”
Work Horse IntegrationsProfile set up by Edverise AI
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For two decades, Work Horse has implemented tailored Application Programming Interface (API) strategies to assist companies in linking their software applications and realizing digital transformation. These integrations enable our growth-oriented clients to enhance their business processes and impro
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Tallmadge, Ohio, Us
Services Provided+4 Services
25% API Development & Integration
5% BI & Big Data Consulting & SI
8% Other IT Consulting and SI
10% Cloud Consulting & SI
AI Summary
“Work Horse specializes in tailored API integrations and DevOps practices, enabling companies to enhance software connectivity, streamline workflows, and drive digital transformation for scalable growth.”
WinWebProfile set up by Edverise AI
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WinWeb boasts more than 12 years of expertise in creating modern, innovative, high-quality open source websites that serve as genuine digital assets. In addition to website development, we offer comprehensive services for enhancing existing sites, along with development and Google optimization. Our
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Il
Services Provided+1 Services
20% API Development & Integration
20% CRM Consulting and SI
20% E-Commerce Development
20% Web App UI Design
AI Summary
“WinWeb delivers over 12 years of expertise in developing and optimizing innovative, high-quality websites and e-commerce stores, specializing in WordPress, Joomla, and custom web solutions.”
Letsync TechProfile set up by Edverise AI
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Transforming Businesses with Digital Innovations If you're looking for a talented team proficient in contemporary technologies, LetsyncTech is your perfect partner. We will turn your vision into reality with outstanding quality that surpasses your expectations! WHY Choose LetsyncTech? Over 20 profes
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided
23% Custom Web Application Development
17% API Development & Integration
10% Mobile App Development (iOS & Android)
50% Web App UI Design
AI Summary
“Letsync Tech is a skilled digital innovation partner with over 8 years' experience, delivering quality technical solutions to startups and established businesses across diverse industries.”
BEON.techProfile set up by Edverise AI
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We match exceptional, English-speaking engineers with strong academic backgrounds, who are driven by AI, to U.S. companies seeking to expand with top talent. Recognized as the #1 firm in Clutch’s Global Staff Augmentation Services and named the #1 Great Place to Work for Millennials, we emphasize th
Highlights
$50,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Buenos Aires, Ar
Services Provided+13 Services
2% Conversational AI & Voice Assistant Development
2% AI Agent & Multi-Agent System Development
2% AI-Powered Document Processing
3% Generative AI
AI Summary
“BEON.tech matches top AI-driven English-speaking engineers with U.S. companies, delivering innovative, efficient software solutions that enhance scalability while respecting security and privacy.”
DoonockProfile set up by Edverise AI
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We implement a contemporary approach to managing projects. This is indeed accurate. We don’t provide you with a budget immediately in order to secure the job; instead, we thoroughly assess all aspects and functionalities before proceeding. Below are some key steps we take prior to delivering a budge
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Rajkot, Gujarat, In
Services Provided
40% Mobile App Development (iOS & Android)
40% Custom Web Application Development
15% API Development & Integration
5% E-Commerce Development
AI Summary
“Doonock adopts a thorough, modern project management approach, emphasizing detailed analysis, careful design, comprehensive testing, and client support to ensure successful project delivery.”
Int-egrateProfile set up by Edverise AI
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Int-egrate is an online consulting firm specializing in integration services. We collaborate with various iPaas (Integration Platform as a Service) technologies, including real-time integrations, APIs, EDI, ETL, and file transfers. Our expertise lies particularly in Anypoint/Mulesoft, Microsoft Azur
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Stockholm, Stockholm, Se
Services Provided
24% API Development & Integration
10% Backend Development
33% DevOps Engineering
33% Cloud Consulting & SI
AI Summary
“Int-egrate is a remote consulting firm specializing in designing, developing, deploying, and managing integration solutions across various iPaaS technologies, APIs, and DevOps services.”
S
Sparkup Technology Private LimitedProfile set up by Edverise AI
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Sparkup Technology provides a comprehensive digital banking and identity verification platform that includes account management, payments, and secure APIs for automated workflows—all integrated into a single dashboard, along with custom software development services.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Indore, Madhya Pradesh, In
Services Provided
23% API Development & Integration
20% Custom Web Application Development
7% Mobile App Development (iOS & Android)
50% Cybersecurity Assessments & Hardening
AI Summary
“Sparkup Technology offers a unified digital banking and identity verification platform featuring account management, payments, and secure APIs, complemented by bespoke software development services.”
Superscript Systems LtdProfile set up by Edverise AI
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Superscript Systems, previously known as Exilion Technologies Inc., is a leading U.S.-based software engineering company that develops and manages production-ready software solutions for expanding businesses. Our expertise lies in custom software development, where aspects like reliability, security
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Langhorne, Pennsylvania, Us
Services Provided+4 Services
30% Custom Web Application Development
18% API Development & Integration
3% Blockchain & Web3 Development
15% AI Strategy & Roadmap Consulting
AI Summary
“Superscript Systems Ltd. is a U.S.-based software engineering firm specializing in custom AI-driven fintech solutions, emphasizing reliability, security, scalability, and long-term technical partnership for businesses.”

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