Top API Development & Integration Firms

API development and integration firms build the interfaces that let software talk to other software, and wire up the ones that already exist. Work ranges from designing REST, GraphQL or gRPC APIs for a product or partner program to connecting payment gateways, CRMs, ERPs, shipping carriers, messaging platforms and banking or healthcare systems through their published APIs. Companies hire for it when staff retype data between two systems, when partners want programmatic access, or when a monolith is being split into services.

Compare firms here on the systems they have integrated before, the documentation they hand over, and how they handle authentication, versioning and outages when a third-party API fails.

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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

8,490 Companies

List of the Best API Development & Integration Agencies

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EnLume Inc
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**Empowering Startups through AI, ML, Data, and Cloud Services** EnLume is a technology solutions provider committed to assisting high-growth startups in navigating an increasingly complex digital environment. For more than 20 years, we have collaborated with emerging businesses to utilize disrupti
Highlights
50-249
Employees
San Jose, California, Us
Services Provided+11 Services
10% Mobile App Development (iOS & Android)
11% Custom Web Application Development
4% API Development & Integration
3% Robotic Process Automation (RPA)
AI Summary
“EnLume empowers startups with AI, machine learning, data analytics, and cloud services, delivering scalable, innovative technology solutions that accelerate growth across diverse industries.”
TV2U ASIA SDN BHD
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Tv2u - Your Trusted Technology Ally in Innovation The primary obstacle to your business’s growth may be finding the ideal software development partner. Allow us to handle your challenges so you can concentrate on what’s truly important - managing a productive business! We assist organizations in cre
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Kuala Lumpur, My
Services Provided+19 Services
1% Blockchain & Web3 Development
2% Frontend Development
3% Backend Development
4% Custom Web Application Development
AI Summary
“TV2U ASIA SDN BHD delivers comprehensive technology solutions, including software development, AI integration, IT infrastructure, UI/UX and graphic design, plus video content production, driving innovative business growth.”
Cognieos Technology Private Limited
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Cognieos is a tech-focused firm providing intelligent, scalable, and customized digital solutions to businesses around the globe. With expertise in website and mobile app development, ERP, CRM, and custom software, Cognieos aids organizations in turning their concepts into impactful digital products
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+7 Services
8% Mobile App Development (iOS & Android)
7% E-Commerce Development
3% Legacy System Modernization
7% ERP & CRM Development
AI Summary
“Cognieos Technology Private Limited specializes in tailored digital solutions including websites, mobile apps, ERP, CRM, and AI-driven software, enhancing business efficiency and growth globally.”
TXP Technology x People
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At TXP, we accelerate the modernization of businesses on a large scale. We tackle intricate challenges by integrating technology with human resources. By merging consulting insights, development services, and staffing solutions, we empower our clients to reach their full potential and create a robus
Highlights
$25,000+
Min Project Size
250-999
Employees
Services Provided+9 Services
5% API Development & Integration
8% Custom Web Application Development
13% Legacy System Modernization
10% IT Staff Augmentation
AI Summary
“TXP Technology x People integrates consulting, development, and staffing to modernize businesses using technology and skilled talent, focusing on cloud, AI, cybersecurity, and legacy system solutions.”
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Techno Craft
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With more than 7 years of experience and a team of over 20 talented professionals, Techno Craft in Jaipur is a leading provider of website development, mobile applications, and software solutions. We take pride in offering tailored, innovative, and user-friendly services that help businesses reach t
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
5% API Development & Integration
13% Product UX Strategy
AI Summary
“Techno Craft, based in Jaipur with 7+ years' experience, specializes in tailored web, mobile, and software solutions, serving diverse clients, notably in travel and flight industries.”
CoinBitSolutions
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Coinbitsolutions is a worldwide blockchain development and consulting firm located in Lahore, Pakistan. Our team operates across North America, Europe, and Asia, with a newly established onsite office in Canada. We specialize in creating next-generation applications utilizing blockchain and smart co
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
25% Blockchain & Web3 Development
10% Mobile App Development (iOS & Android)
10% Custom Web Application Development
5% API Development & Integration
AI Summary
“CoinBitSolutions is a global blockchain development and consulting firm specializing in blockchain platforms, smart contracts, cryptocurrency solutions, and offshore developer outsourcing to enhance innovation and efficiency.”
Maxxsol
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Maxxsol is a product engineering studio that assists startup founders and expanding businesses in developing scalable web and mobile applications. We focus on Next.js, React Native, and Node.js and have successfully delivered products in the restaurant technology, fitness, logistics, and healthcare
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+11 Services
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
4% API Development & Integration
1% Legacy System Modernization
AI Summary
“Maxxsol is a product engineering studio specializing in scalable web and mobile applications using Next.js, React Native, and Node.js, serving startups across various industries worldwide.”
Xpansion Technologies
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Xpansion Technologies is a Sydney-based company that offers IT and IT-enabled services to a diverse array of clients across various industries, including manufacturing, telecommunications, real estate, core engineering, healthcare, and education. The organization is managed by a team of seasoned pro
Highlights
10-49
Employees
Services Provided+10 Services
6% Mobile App Development (iOS & Android)
8% Custom Web Application Development
5% API Development & Integration
1% E-Commerce Development
AI Summary
“Xpansion Technologies, based in Sydney, delivers tailored IT services across industries such as manufacturing, telecommunications, and healthcare, enhancing client efficiency and market responsiveness.”
ApeliSoltech
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**Providing Cutting-Edge Digital Solutions for the Future** Apeli Soltech is a software development and IT solutions firm located in Nairobi, focused on aiding businesses and entrepreneurs in creating effective digital products, streamlining operations, and driving growth through advanced technolog
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+5 Services
5% API Development & Integration
2% Blockchain & Web3 Development
5% E-Commerce Development
10% Mobile App Development (iOS & Android)
AI Summary
“Apeli Soltech delivers tailored digital solutions including software, apps, cloud services, and marketing to enhance business operations and growth through innovative technology and expert collaboration.”
Electrostreamtech
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ElectrostreamTech is a distinctive group of highly skilled professionals with extensive experience in various areas of digital technology, including developers, UX/UI designers, business analysts, project managers, and a friendly customer service team who possess a deep understanding of the IT indus
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Jaipur, Rajasthan, In
Services Provided+5 Services
12% Mobile App Development (iOS & Android)
8% Custom Web Application Development
10% E-Commerce Development
3% API Development & Integration
AI Summary
“Electrostreamtech is an Indian technology firm offering comprehensive software development, UI/UX design, AI-driven automation, and CRM consulting, delivering tailored, high-quality digital solutions with expert precision.”

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Top API Development & Integration Firms

List of the Best API Development & Integration Agencies

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