Top API Development & Integration Companies

A high-performing API Development & Integration solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading API Development & Integration companies around the globe. Every profile sets out services, pricing, locations, and past work so you can compare on evidence. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

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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

8,487 Companies

List of the Best API Development & Integration Agencies

Rivet Flow
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Rivet Flow assists agencies, consultants, and service providers in eliminating repetitive tasks that hinder team efficiency. We develop practical automations for lead intake, routing, inbox management, internal support, handoffs, and other operational challenges. Rather than requiring companies to o
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
San Francisco, California, Us
Services Provided+13 Services
2% Other IT Consulting and SI
2% Cloud Consulting & SI
6% Workflow Automation (Zapier / Make / n8n)
2% IT Staff Augmentation
AI Summary
“Rivet Flow develops practical automation solutions integrating seamlessly with existing tools to streamline operations for agencies and service providers, enhancing efficiency and reducing manual tasks.”
Henderson Bizz
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Henderson Bizz is a software and mobile application development firm that assists small businesses in discovering and creating business solutions using cutting-edge technology. We have successfully completed hundreds of projects for various companies throughout the United States. Our primary service
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Henderson, Nevada, Us
Services Provided+16 Services
14% Mobile App Development (iOS & Android)
5% Custom Web Application Development
3% E-Commerce Development
2% Legacy System Modernization
AI Summary
“Henderson Bizz specializes in developing innovative software and mobile applications, offering comprehensive services from UX/UI design to AI and cloud consulting, supporting diverse businesses nationwide.”
Variant Spark
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We're more than just a typical tech company; we aim to be your reliable digital partner. In the last five years, we've assisted more than 50 clients globally in turning their business challenges into intelligent and effective solutions. Our services cover a wide array, including WebApp development,
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
7% API Development & Integration
15% Custom Web Application Development
3% E-Commerce Development
8% Mobile App Development (iOS & Android)
AI Summary
“Variant Spark is a global digital partner delivering diverse solutions including web and SAAS development, CRM, CMS, graphic design, and custom software to solve business challenges effectively.”
Altius Digital
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Altius Digital is a digital agency located in the UK that focuses on AI search visibility, web development, and app development for innovative companies. We assist brands in gaining visibility and recommendations across platforms like ChatGPT, Google Gemini, Perplexity, and Google AI Overviews. Our
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
London, England, Gb
Services Provided+8 Services
16% Custom Web Application Development
12% Mobile App Development (iOS & Android)
5% API Development & Integration
12% Search Engine Optimization (SEO)
AI Summary
“Altius Digital is a UK-based agency specializing in AI search visibility, tailored web and app development, and strategic digital solutions to enhance brand presence across AI-driven platforms globally.”
Engineer Box
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We are a software engineering firm based in the UK that creates top-notch software to enhance your profitability.
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
London, England, Gb
Services Provided+9 Services
13% Custom Web Application Development
3% Blockchain & Web3 Development
8% API Development & Integration
8% QA & Software Testing
AI Summary
“Engineer Box is a UK-based software engineering firm specializing in developing high-quality software solutions designed to improve client profitability and operational efficiency.”
TechroMetric
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Techrometric is a custom software development firm that focuses on web, mobile, ERP, and enterprise solutions. We assist startups and expanding companies in creating scalable, secure, and high-performance software for various sectors, including ERP systems, SaaS, FinTech, Healthcare, Retail, Manufac
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Vadodara, Gujarat, In
Services Provided+14 Services
6% Mobile App Development (iOS & Android)
6% ERP & CRM Development
3% API Development & Integration
2% Other IT Consulting and SI
AI Summary
“TechroMetric specializes in custom software development across web, mobile, ERP, and enterprise solutions, serving diverse sectors with scalable, secure, and high-performance applications.”
Fuzzy Marketing
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Fuzzy Marketing is a digital agency focused on eCommerce development and custom SaaS applications. For more than five years, we've assisted brands and businesses in designing, building, and scaling digital solutions that foster measurable growth. Our diverse team combines technical skills, UX design
Highlights
$50-99/hr
Avg Hourly Rate
10-49
Employees
Lucca, It
Services Provided+6 Services
10% Custom Web Application Development
5% API Development & Integration
8% SaaS Product Development
10% E-Commerce Development
AI Summary
“Fuzzy Marketing is a digital agency specializing in eCommerce development, custom SaaS applications, and scalable digital solutions that drive growth across diverse industries.”
Aleph Null s.r.o.
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High-quality engineering, product development, and problem-solving services for defense and intelligence organizations.
Highlights
$100,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
12% Conversational AI & Voice Assistant Development
22% Machine Learning Model Development
8% Mobile App Development (iOS & Android)
12% API Development & Integration
AI Summary
“Aleph Null s.r.o. specializes in high-quality engineering, product development, and problem-solving services, primarily serving defense and intelligence sectors with professional expertise.”
WebifyGO
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WebifyGO is a comprehensive web development and digital solutions agency established in 2023, rooted in the principle that technology should serve people’s needs. From its inception, WebifyGO has prioritized creating tailored digital experiences that assist businesses in streamlining operations, acc
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
7% API Development & Integration
7% E-Commerce Development
20% Custom Web Application Development
23% DevOps Engineering
AI Summary
“WebifyGO is a digital solutions agency founded in 2023, specializing in custom websites, CRM development, and AI-driven tools that streamline operations and support business growth.”
C
CODERZON TECHNOLOGIES PVT LTD
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Coderzon Technologies Private Limited offers software consulting services focused on emerging technologies. We support corporations with projects that require advanced software solutions. Our offerings encompass both time-and-material and fixed-bid project models, as well as offshoring and comprehen
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+6 Services
17% Custom Web Application Development
10% API Development & Integration
7% Legacy System Modernization
10% AI Strategy & Roadmap Consulting
AI Summary
“Coderzon Technologies Pvt Ltd delivers advanced software consulting, project execution, offshoring, and expert candidate screening, leveraging over 20 years of industry experience in emerging technologies.”

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