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

LOGIC
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We create high-quality web applications and automate processes for organizations of any size.
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Athina, Attica, Gr
Services Provided
34% API Development & Integration
33% DevOps Engineering
33% Web App UI Design
AI Summary
“LOGIC specializes in developing high-quality web applications and automating business processes, providing customized technology solutions for organizations across various industries and sizes.”
HasData
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
HasData stands out as a top web scraping and SERP API due to its ability to navigate complex anti-bot measures, such as solving CAPTCHAs, rotating proxies, and rendering with headless browsers. It effectively supports dynamic JavaScript web pages, handles millions of requests, boasts a 99.9% uptime,
Highlights
10-49
Employees
Houston, Texas, Us
Services Provided
34% BI & Big Data Consulting & SI
33% Search Engine Optimization (SEO)
33% API Development & Integration
AI Summary
“HasData excels in web scraping, SEO, AI-driven data analytics, and API integration, delivering scalable, efficient data solutions and automation for enhanced business intelligence and online visibility.”
Solv Systems
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Solv Systems — Transforming Data into Strategic Decisions At Solv Systems, we equip businesses with innovative data analysis, smart automation, and digital transformation services. Our mission is straightforward: to convert intricate data into understandable, actionable insights that drive informed
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Gqeberha, Eastern Cape, Za
Services Provided
24% BI & Big Data Consulting & SI
10% IT Staff Augmentation
33% API Development & Integration
33% Business Intelligence (BI) Dashboard Development
AI Summary
“Solv Systems specializes in data analysis, intelligent automation, and digital transformation, empowering businesses with actionable insights to enhance decision-making, operational efficiency, and growth.”
VM Computec Inc.
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
VM Computec Inc. provides expert IT consulting, cloud services, enterprise integrations, and geographic information systems customized to your requirements. As a dependable IT consulting company, VM Computec Inc. focuses on assisting businesses in utilizing technology to enhance growth and efficienc
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Richmond Hill, Ontario, Ca
Services Provided
33% Cloud Consulting & SI
33% API Development & Integration
24% DevOps Engineering
10% Managed IT Services
AI Summary
“VM Computec Inc. delivers expert IT consulting and customized cloud, integration, and GIS solutions, leveraging diverse technologies to enhance business growth, efficiency, and scalability.”
CosmicWeb.IO
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At CosmicWeb, we customize our solutions to meet each client's specific requirements, while ensuring that our collaboration is as seamless as possible for them. Our team consists of experts who actively listen to client needs and develop tailored solutions. Partnering with us guarantees a personaliz
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Jerzmanowice, Pl
Services Provided
50% Custom Web Application Development
20% E-Commerce Development
30% API Development & Integration
AI Summary
“CosmicWeb.IO delivers personalized software solutions tailored to client needs using cutting-edge technologies, ensuring seamless collaboration and continuous innovation across diverse platforms and architectures.”
Another Angle Solutions LLC
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
I assist solopreneurs and mid-sized businesses in connecting their applications to platforms and other apps, and diagnosing issues when things go wrong. I consider myself an API Detective. 🔍 If you're facing challenges with difficult API projects, whether it's a problematic integration, poorly exec
Highlights
$50-99/hr
Avg Hourly Rate
Services Provided
10% Custom Web Application Development
38% API Development & Integration
2% Mobile App Development (iOS & Android)
50% AI Strategy & Roadmap Consulting
AI Summary
“Another Angle Solutions LLC specializes in troubleshooting and integrating APIs for solopreneurs and mid-sized businesses, simplifying complex technical challenges through expert guidance and education.”
Surge Software
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Surge Software Solutions, we focus on maximizing the capabilities of Adobe’s leading tools. Our expertise spans the entire Adobe ecosystem, including Adobe Experience Manager (AEM), Adobe Analytics, Target, Campaign, Experience Platform (AEP), Journey Optimizer (AJO), Real-Time Customer Data Plat
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Bengaluru, Karnataka, In
Services Provided
70% E-Commerce Development
30% API Development & Integration
AI Summary
“Surge Software Solutions specializes in Adobe ecosystem implementations, delivering expert integration, consulting, and resourcing services to enhance brand experiences and drive business growth.”
TRUEPREDiCT
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
TRUEPREDiCT is a provider of specialized prediction market platforms, offering both off-the-shelf and tailored solutions for organizations looking to enter or expand in the prediction market sector. The platform features operator-managed market rules, liquidity management, and governance, promoting
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Brooklyn, New York, Us
Services Provided
70% Custom Web Application Development
30% API Development & Integration
AI Summary
“TRUEPREDiCT offers scalable, compliant prediction market platforms with operator-controlled rules, advanced trading, and integration support, enabling secure and trustworthy market operations across diverse sectors.”
CodePlug Technologies
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Our company focuses on developing tailored applications utilizing two widely used technologies: Flutter and Laravel. Flutter, a mobile application development framework from Google, and Laravel, a PHP web application framework, together allow us to offer holistic solutions for clients looking to cre
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Namakkal, Tamil Nadu, In
Services Provided
70% Mobile App Development (iOS & Android)
30% API Development & Integration
AI Summary
“CodePlug Technologies specializes in developing custom mobile and web applications using Flutter and Laravel, delivering scalable, secure solutions with ongoing support and a focus on AI-powered photo enhancement innovation.”
Boost Commerce
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
The Boost Product Filter & Search App for Shopify allows customers to quickly locate the products they're looking for in just a few milliseconds. You can install the app at: https://apps.shopify.com/product-filter-search
Highlights
50-249
Employees
Ho Chi Minh City, Vn
Services Provided
70% Custom Web Application Development
30% API Development & Integration
AI Summary
“Boost Commerce develops the Boost Product Filter & Search App for Shopify, enabling rapid and efficient product discovery to enhance customer shopping experience on e-commerce platforms.”

...

...

...

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

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.