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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CWM-Media LLC
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Welcome to CWM-Media, your reliable partner for IT services, web development, and database solutions. We specialize in building efficient IT infrastructures, eye-catching websites, and streamlined databases. Our IT services encompass everything from network setup and maintenance to cybersecurity and
Highlights
$5,000+
Min Project Size
2-9
Employees
Services Provided+3 Services
9% API Development & Integration
8% E-Commerce Development
9% Mobile App Development (iOS & Android)
17% Managed IT Services
AI Summary
“CWM-Media LLC delivers comprehensive IT services, web development, and database solutions, prioritizing security, innovation, and customer satisfaction to support diverse business needs.”
Dynalize Technologies
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Dynalize Technologies is a privately owned boutique firm based in India. We offer digital solutions across a wide range of areas, including Cloud & DevOps, Internet of Things (IoT), Artificial Intelligence, web development, and data engineering. At Dynalize, we prioritize our customers' requirements
Highlights
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+7 Services
14% Custom Web Application Development
7% API Development & Integration
3% Mobile App Development (iOS & Android)
8% Backend Development
AI Summary
“Dynalize Technologies is an Indian boutique firm providing tailored digital solutions in Cloud, DevOps, IoT, AI, web development, and data engineering, focusing on customer needs.”
KloudWaves Technologies Inc.
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We bring your concepts to life with impactful digital solutions. Our specialized web and application development is designed to ensure your success.
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
17% Custom Web Application Development
10% Mobile App Development (iOS & Android)
7% API Development & Integration
10% IT Compliance & Governance
AI Summary
“KloudWaves Technologies Inc. delivers impactful digital solutions through expert web and application development, transforming ideas into successful, tailored technologies for diverse business needs.”
ogresto
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Ogresto is a comprehensive digital agency located in Indore, India, specializing in tailored Shopify development, Flutter mobile applications, Next.js websites, WordPress projects, and results-oriented digital marketing for clients in India, the UK, the US, and Australia. **Our Expertise** We fo
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+10 Services
11% E-Commerce Development
9% Mobile App Development (iOS & Android)
4% API Development & Integration
1% QA & Software Testing
AI Summary
“Ogresto, based in Indore, India, is a digital agency specializing in custom Shopify development, Flutter apps, Next.js and WordPress websites, plus data-driven digital marketing for global clients.”
Ethode
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Ethode creates stunning applications for Web, Mobile, and Blockchain platforms. The development of the application is merely the first step; the real value lies in the strong relationships we build with our clients through exceptional support and continued attention to their projects. On the technol
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Services Provided+5 Services
7% Backend Development
8% Mobile App Development (iOS & Android)
5% API Development & Integration
10% Blockchain & Web3 Development
AI Summary
“Ethode develops Web, Mobile, and Blockchain applications using diverse technologies, offering strong client relationships and ongoing support to ensure project success and value delivery.”
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Digital Software Solutions
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Digital Software Solutions (DSS) is a pioneer in the software development sector, built on foundational values of friendship, effective communication, and a continuous drive for results. We believe that the key to delivering outstanding customer experiences lies in fostering strong relationships and
Highlights
$100,000+
Min Project Size
2-9
Employees
Services Provided+4 Services
8% API Development & Integration
15% Custom Web Application Development
7% Mobile App Development (iOS & Android)
3% E-Commerce Development
AI Summary
“Digital Software Solutions delivers tailored software development and innovation, partnering with clients to enhance systems and drive business growth through collaborative, results-driven solutions.”
QueuesHub
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QueuesHub is a prominent tech firm focused on equipping businesses with customized, innovative solutions that facilitate digital transformation and foster sustainable growth. With our proficiency in software development, cloud engineering, enterprise integration, and data management, we offer advanc
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Services Provided+10 Services
5% Backend Development
4% API Development & Integration
3% Frontend Development
4% Custom Web Application Development
AI Summary
“QueuesHub delivers customized digital transformation solutions, leveraging expertise in software development, cloud engineering, and enterprise integration to enhance business efficiency and growth across industries.”
navdhi infotech PVT LTD
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Navdhi Infotech PVT LTD is an innovative technology firm established in 2024, committed to providing top-notch digital solutions marked by accuracy and dependability. Our expertise lies in developing web and mobile applications, backend systems, and AI-driven automation, all tailored to meet deadlin
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+6 Services
7% API Development & Integration
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
4% E-Commerce Development
AI Summary
“Navdhi Infotech PVT LTD, founded in 2024, delivers precise, reliable digital solutions including web, mobile, backend, and AI-driven automation, fostering scalable, user-centric business growth.”
ALCENTEK
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Alcentek is a software development company that allows businesses to outsource their web and app development as well as digital projects. We provide a wide range of services designed to enhance your return on investment while safeguarding the confidentiality of your information. Our offerings includ
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Albuquerque, New Mexico, Us
Services Provided+7 Services
4% QA & Software Testing
10% Custom Web Application Development
9% Mobile App Development (iOS & Android)
3% API Development & Integration
AI Summary
“Alcentek specializes in outsourced web and mobile app development, offering services including software consulting, UX/UI design, and cloud solutions using diverse modern technologies.”
Apps Lobby
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Apps Lobby is a leading provider of customized web and mobile software development, serving clients globally. Key highlights include: * Over 15 years of experience * A team of more than 100 dedicated developers * Clients from 21 different countries * Over 400 projects successfully completed Our expe
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Indore, Madhya Pradesh, In
Services Provided+9 Services
10% Mobile App Development (iOS & Android)
7% Custom Web Application Development
3% E-Commerce Development
5% Backend Development
AI Summary
“Apps Lobby delivers customized web and mobile software solutions worldwide, leveraging 15+ years' expertise across technologies like React.js, IoT, AI, and blockchain with a skilled 100+ team.”

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Top API Development & Integration Firms

List of the Best API Development & Integration Agencies

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