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

Softiqo
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We are a newly formed software development company, established by industry experts with over 30 years of collective experience in various domains. Our primary focus is on AI and AI-driven product development, boasting substantial expertise in large language models (LLMs) and data management. We exc
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Coimbatore, Tamil Nadu, In
Services Provided+2 Services
13% API Development & Integration
18% Custom Web Application Development
20% E-Commerce Development
17% AI Strategy & Roadmap Consulting
AI Summary
“Softiqo is a software development company specializing in AI-driven solutions, large language models, and end-to-end commerce platforms including eCommerce, inventory, and digital asset management.”
Pragnakalp Techlabs
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At Pragnakalp Techlabs, we are dedicated to creating innovative solutions with the latest technology. Our ultimate aim is to develop applications that simplify life for people. We focus on delivering reliable applications that can scale for extensive use. Our main services include: Python Programmin
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Ahmedabad, Gujarat, In
Services Provided+5 Services
35% Custom Web Application Development
15% API Development & Integration
15% Generative AI
5% AI Strategy & Roadmap Consulting
AI Summary
“Pragnakalp Techlabs specializes in innovative Python-based solutions including web development, automation, NLP, chatbot creation, and generative AI, emphasizing scalable, reliable applications and open-source contributions.”
CodesSavvy
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CodesSavvy is a software development agency led by experienced professionals, specializing in the creation of production-ready web applications, MVPs, SaaS solutions, and mobile applications. Our team consists of over five senior engineers, each with more than five years of experience, who successfu
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided
20% Mobile App Development (iOS & Android)
10% API Development & Integration
20% Custom Web Application Development
50% DevOps Engineering
AI Summary
“CodesSavvy is a seasoned software agency specializing in production-ready web, mobile, MVP, and SaaS applications, delivering projects efficiently across global markets with direct client-engineer collaboration.”
AutomizeGenAI
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AutomizeGenAI is a contemporary agency focused on assisting businesses in Marketing, Media, Customer Support, and EdTech to expand their operations. We excel in creating tailored AI agents and smart automation systems that streamline repetitive tasks, conserve time, and facilitate growth. Our aim is
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
8% AI Strategy & Roadmap Consulting
7% LLM Integration & Prompt Engineering
10% Custom AI Chatbot Development
25% AI Agent & Multi-Agent System Development
AI Summary
“AutomizeGenAI develops customized AI agents and automation solutions aiding businesses in marketing, media, customer support, and EdTech to optimize operations and focus on strategic growth.”
Gnosys Digigtal
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Gnosys Digital is a digital solutions company that focuses on delivering results for businesses looking to establish, launch, and expand their online presence. Since our inception in 2018, we have collaborated with startups, agencies, and expanding businesses to provide dependable web development, p
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Toronto, Ontario, Ca
Services Provided+10 Services
1% ERP Consulting and SI
3% Cloud Consulting & SI
4% Workflow Automation (Zapier / Make / n8n)
1% AI Agent & Multi-Agent System Development
AI Summary
“Gnosys Digital delivers comprehensive digital solutions including web development, marketing, and hosting services focused on enhancing online presence, user experience, and scalable business growth since 2018.”
Sitio Labs
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Sitio Labs is a product development firm located in Mumbai, specializing in creating iOS, Android, and web applications for startups and enterprises worldwide. We have successfully launched over 50 products in sectors such as fintech, logistics, healthtech, local commerce, and AI, achieving App Stor
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
25% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% API Development & Integration
10% E-Commerce Development
AI Summary
“Sitio Labs is a Mumbai-based product development firm delivering iOS, Android, and web apps across sectors, offering fixed-price, timely projects with dedicated teams and post-launch support.”
WebAppNova
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WebAppNova is a contemporary software development firm that specializes in creating scalable web platforms, mobile applications, and tailored business software for startups, small and medium enterprises (SMEs), and large organizations. We assist businesses in realizing their concepts into effective
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
30% Custom Web Application Development
25% Mobile App Development (iOS & Android)
20% API Development & Integration
15% E-Commerce Development
AI Summary
“WebAppNova delivers scalable custom software, web, and mobile solutions across industries, leveraging modern technologies and agile methodology to enhance business operations and growth.”
Burako Solutions
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At Burako Solutions, we enhance businesses with innovation, creativity, and technology. We create beautiful websites, develop tailored solutions, and design smooth user experiences to make your vision a reality.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
Services Provided
20% API Development & Integration
50% Custom Web Application Development
30% E-Commerce Development
AI Summary
“Burako Solutions delivers innovative technology and design services, crafting customized websites and user experiences that align with clients' visions to enhance business performance.”
HurTech LLC
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We are a dedicated team that focuses on developing one product at a time — from initial prototype to launch — and continues to support it after its success. Our clients are entrepreneurs who lack the time to oversee multiple freelancers or sort through complicated code. They require a dependable tea
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Sheridan, Wyoming, Us
Services Provided+1 Services
10% API Development & Integration
15% Custom Web Application Development
25% DevOps Engineering
25% Product UX Strategy
AI Summary
“HurTech LLC is a skilled team specializing in efficient, transparent app development from prototype to launch, providing reliable support tailored for entrepreneurs seeking quality and clear communication.”
Envision IT
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Envision IT executes high-risk projects without the associated risks, stress, or uncertainty, all while adhering to fixed costs and timelines. They are the perfect partner for those who cannot afford to fail and require swift results. Founded in 2002, Envision IT specializes in custom software devel
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Oakleigh South, Victoria, Au
Services Provided+2 Services
20% Custom Web Application Development
15% Legacy System Modernization
10% API Development & Integration
5% SaaS Product Development
AI Summary
“Envision IT, an Australian firm since 2002, specializes in custom software, SaaS products, legacy modernization, and cloud solutions, delivering scalable, secure, and enterprise-focused applications across industries.”

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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