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

Narola Infotech Solutions LLP
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Narola Infotech is a worldwide IT solutions provider with over 20 years of experience in specialized industries. We drive transformation through software solutions, offering agility, scalability, and growth. More than 1,500 corporations in over 50 countries, including Fortune companies like CGI, L&T
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Cary, North Carolina, Us
Services Provided+3 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
20% Backend Development
8% E-Commerce Development
AI Summary
“Narola Infotech Solutions LLP delivers custom software, web, and mobile app development, offering scalable IT solutions, staff augmentation, and collaborative services across diverse industries globally.”
Banas Tech Private Limited
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Banas Tech Private Limited is a leading company in Odoo and ERP development, boasting over 9 years of experience. We specialize in a wide array of services, including Odoo implementation, development, customization, integration, training, consulting, migration, and support. Our expertise spans vario
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Ahmedabad, Gujarat, In
Services Provided
15% API Development & Integration
30% ERP & CRM Development
5% Custom Web Application Development
50% CRM Consulting and SI
AI Summary
“Banas Tech Private Limited excels in customized Odoo and ERP solutions across diverse sectors, delivering implementation, development, and support services to enhance clients' operational efficiency.”
WeUno Technologies
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We revitalize businesses by crafting exceptional experiences, fueled by robust creativity, technical expertise, and data, along with a strategic organizational approach.
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
London, England, Gb
Services Provided+1 Services
35% Mobile App Development (iOS & Android)
10% Blockchain & Web3 Development
30% Custom Web Application Development
15% E-Commerce Development
AI Summary
“WeUno Technologies enhances businesses through innovative experiences combining creativity, technical skills, data insights, and strategic organizational methods to drive meaningful transformation.”
Kiranam Technologies
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At Kiranam Technologies, our data solutions and services are tailored to support you at every stage of your transformation journey. No matter your industry, having access to data is essential for making informed decisions. We focus on delivering predictive insights and enabling a greater number of t
Highlights
$25,000+
Min Project Size
50-249
Employees
Coppell, Texas, Us
Services Provided+3 Services
35% Custom Web Application Development
15% API Development & Integration
10% AI Strategy & Roadmap Consulting
10% Workflow Automation (Zapier / Make / n8n)
AI Summary
“Kiranam Technologies delivers comprehensive data solutions, including big data, cloud services, predictive analytics, reporting, and staffing, empowering businesses with secure, timely insights across industries.”
Drasken Labs Private Limited
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Drasken Labs is a software development and technology services firm that assists businesses in transforming complex concepts into effective digital solutions. We focus on custom software development, web application engineering, API development, DevOps, and cloud infrastructure, providing comprehens
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
23% Custom Web Application Development
18% API Development & Integration
2% E-Commerce Development
7% Mobile App Development (iOS & Android)
AI Summary
“Drasken Labs delivers custom software, web applications, and cloud solutions with full-stack expertise, agile development, and strong client collaboration for diverse global clients.”
WP Labs
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WP Labs is a development agency powered by AI, specializing in creating tailored automation tools, internal software, and minimum viable products (MVPs) for mid-sized businesses in the US. We focus on transforming manual, repetitive processes into AI-driven systems that operate continuously. Our tea
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Miami, Florida, Us
Services Provided+5 Services
14% API Development & Integration
20% Custom Web Application Development
8% LLM Integration & Prompt Engineering
3% IT Staff Augmentation
AI Summary
“WP Labs is an AI-driven development agency delivering secure, customized automation tools, internal software, and MVPs for mid-sized U.S. businesses, enabling efficient, scalable digital transformation.”
Linkeen
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Linkeen is an innovative tech talent acquisition platform that connects visionary companies with top-notch software developers. With a strong dedication to engineering excellence, Linkeen is transforming how businesses assemble and expand their engineering teams. Our platform features an extensive n
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
40% IT Staff Augmentation
30% Software Development Services
10% API Development & Integration
10% Mobile App Development (iOS & Android)
AI Summary
“Linkeen excels in Software Development by providing top-tier IT Staff Augmentation, custom web and mobile app development, and API integration services. Their extensive network of skilled developers and focus on engineering excellence makes them a strong fit in this category.”
Syntaxcrow
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SyntaxCrow is a results-oriented web design agency dedicated to assisting businesses in establishing a robust online presence at a reasonable price. We excel in developing modern, high-performing, and conversion-oriented websites specifically designed for startups, small enterprises, and expanding b
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided
60% Custom Web Application Development
25% E-Commerce Development
15% API Development & Integration
AI Summary
“SyntaxCrow is a web design agency specializing in modern, SEO-friendly, and conversion-driven websites for startups and small businesses, delivering tailored, affordable digital solutions to enhance online presence.”
angraweb
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AngraWeb is a specialized software development studio that focuses on creating custom web applications, e-commerce platforms for both B2B and B2C, and scalable SaaS solutions. We assist startups and expanding businesses in transforming intricate concepts into dependable digital products. Our areas o
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
35% Custom Web Application Development
25% E-Commerce Development
20% API Development & Integration
10% Backend Development
AI Summary
“AngraWeb is an Istanbul-based studio specializing in custom web applications, e-commerce, and scalable SaaS solutions with expertise in Django, API integrations, and business-focused digital products.”
Arionkoder
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While some companies discuss AI transformation, we actively implement it. Arionkoder collaborates with organizations ready to move beyond pilot projects and start delivering results. Whether in healthcare, pharmaceuticals, logistics, or GovTech, we integrate with your team, take responsibility for d
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Montevideo, Montevideo, Uy
Services Provided+3 Services
20% Custom Web Application Development
10% API Development & Integration
4% Code Review & Technical Audits
8% AI Strategy & Roadmap Consulting
AI Summary
“Arionkoder partners across industries like healthcare, pharmaceuticals, logistics, and GovTech to develop and implement practical AI solutions, ensuring responsible delivery and real-world impact.”

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Latest insights & expert perspectives

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

Minimum project sizes stated by UX audit firms listed on Edverise, with the no-minimum and $1,000 bands shaded

Vendor Selection

UX Audit Cost: Price Tables Say $8,000, Most Firms Start Lower

Agency tables put a full UX audit at $8,000 and up. 60% of 3,038 listed audit firms state a $1,000 minimum or none. Here is what to pay and what to demand.

Akash Mohapatra

11/9/2026