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.

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

8,490 Companies

List of the Best API Development & Integration Agencies

NeesimEra
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
NeesimEra is an innovative tech company focused on creating high-performance, scalable digital solutions for the contemporary market. Located in one of Africa's rapidly growing technology centers, we connect intricate business issues with user-friendly software design. Our expertise lies in full-sta
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Weija, Gh
Services Provided+5 Services
17% Mobile App Development (iOS & Android)
14% Custom Web Application Development
3% API Development & Integration
13% AI Model Fine-Tuning & Training
AI Summary
“NeesimEra delivers scalable, secure digital solutions with full-stack expertise in mobile and web development, emphasizing user-friendly design, agile delivery, and global collaboration for startups and enterprises.”
H
HUMBINGO CONSULTANCY SERVICES LLP
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Explore how our innovative and technological solutions can revolutionize your business. Our expert team is committed to providing high-quality services that foster growth and achievement.
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Anand, Gujarat, In
Services Provided+5 Services
17% Custom Web Application Development
12% Mobile App Development (iOS & Android)
5% API Development & Integration
8% AI Agent & Multi-Agent System Development
AI Summary
“HUMBINGO CONSULTANCY SERVICES LLP delivers innovative technological solutions and expert services designed to drive business growth, efficiency, and achievement across diverse sectors.”
Softolax
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Softolax started its journey in 2020 and has worked diligently to establish a prominent presence in the industry, serving clients worldwide. We have successfully assisted over 500 small, medium, and enterprise companies in their "Digital Transformation" through services such as brand design, UI/UX d
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+8 Services
16% Custom Web Application Development
7% API Development & Integration
10% SaaS Product Development
7% Product UX Strategy
AI Summary
“Softolax is a global digital agency offering comprehensive services in design, development, e-commerce, and digital marketing, delivering customized solutions to over 500 clients worldwide since 2020.”
MaxCore Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Maxcore Tech combines technology and marketing knowledge to assist businesses of all sizes in succeeding in the digital era.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+6 Services
8% Custom Web Application Development
6% API Development & Integration
4% QA & Software Testing
5% Mobile App Development (iOS & Android)
AI Summary
“MaxCore Technologies integrates technology and marketing expertise to provide comprehensive digital solutions, empowering businesses of all sizes to thrive in the evolving digital landscape.”
NestedPie Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
NestedPie Technologies is a results-oriented software development firm that specializes in high-quality mobile app solutions utilizing Flutter, Firebase, and custom server-side technologies. We assist startups, small businesses, and expanding companies in turning their ideas into scalable, user-frie
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Gujranwala, Pk Punjab, Pk
Services Provided+6 Services
17% Mobile App Development (iOS & Android)
5% API Development & Integration
8% Backend Development
3% Frontend Development
AI Summary
“NestedPie Technologies specializes in delivering scalable, user-friendly mobile applications using Flutter and Firebase, offering end-to-end services for startups and growing businesses across diverse industries.”
CodriveIT Private Limited
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Codriveit Private Limited, located in Coimbatore, India's technology hub, is a leading provider of Data Migration and Enterprise Resource Planning (ERP) solutions. We assist organizations in managing the challenges of digital transformation by connecting legacy systems with contemporary, AI-enhanced
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+20 Services
3% Mobile App Development (iOS & Android)
8% API Development & Integration
6% Custom Web Application Development
3% E-Commerce Development
AI Summary
“Codriveit Private Limited delivers expert data migration, ERP, cloud transformation, and AI-driven solutions, enabling global businesses across key sectors to achieve seamless digital transformation and data integrity.”
Hivetech Vietnam
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
HiveTech is an innovative technology company that serves clients globally across various industries, including warehousing, inventory management, trading, logistics, and finance, with a focus on education. Our mission is to establish ourselves as a modern organization dedicated to creating high-qual
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Hanoi, Vn
Services Provided+31 Services
10% Custom Web Application Development
5% Frontend Development
3% QA & Software Testing
7% Backend Development
AI Summary
“HiveTech Vietnam is a global technology firm delivering innovative solutions across warehousing, logistics, finance, and education, focusing on human development and applied technology to enhance lives.”
AHK Soft
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
AHK Soft is a technology-oriented software and IT services firm founded in December 2006. We focus on providing tailored software development, technical assistance, digital transformation, and consulting services for businesses in diverse sectors. Based in Pakistan, we serve clients throughout the M
Highlights
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+11 Services
4% API Development & Integration
8% Mobile App Development (iOS & Android)
5% Custom Web Application Development
14% AI Agent & Multi-Agent System Development
AI Summary
“AHK Soft, established in 2006 in Pakistan, delivers tailored software development, IT services, AI applications, and digital solutions to clients across the Middle East, Europe, and Asia.”
IT4biz
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Services Offered: - Solution Architecture - System Design - Tailored Software Development - Cloud-Based Application Development - API Creation - Website Development - Product Development - SaaS Solutions - IT Consultation - Project Management - DevOps Practices - CI/CD Implementation - Testing and A
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+5 Services
7% QA & Software Testing
8% API Development & Integration
10% Backend Development
8% Custom Web Application Development
AI Summary
“IT4biz specializes in tailored software solutions including cloud applications, AI/ML, DevOps, data processing, and comprehensive IT consulting to support diverse business needs efficiently.”
A
Algojaxon Global Soft Private Limited
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Algojaxon Global Soft Pvt Ltd is a technology firm based in Salem that provides comprehensive digital solutions aimed at helping businesses innovate, grow, and achieve success. Established by dedicated engineers with over three years of industry experience, we focus on Full Stack Development, IoT So
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
5% API Development & Integration
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
2% E-Commerce Development
AI Summary
“Algojaxon Global Soft Pvt Ltd is a Salem-based technology firm delivering tailored digital solutions including full stack development, IoT, AI, and software services across diverse industries to drive growth.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.

Top API Development & Integration Firms

List of the Best API Development & Integration Agencies

H

A

Where buyers look next

Latest insights & expert perspectives

Questions to Ask a Software Development Agency: Six With Proof

How to Compare Software Development Quotes Priced 5x Apart

AI Agent Development Cost: Build, Tokens, Reliability

One Platform. One Promise. One Trust.