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

Protostar LabsProfile set up by Edverise AI
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Protostar Labs is an advanced technology firm involved in the research and development of artificial intelligence and computer vision. We have assembled a diverse and interdisciplinary team united by a common goal of creating AI solutions and products that improve people's lives. We are in the proce
Highlights
$50-99/hr
Avg Hourly Rate
10-49
Employees
Belisce, Hr
Services Provided
20% AI Strategy & Roadmap Consulting
30% Machine Learning Model Development
18% API Development & Integration
32% Custom Web Application Development
AI Summary
“Protostar Labs develops advanced AI and computer vision technologies, creating customized industrial AI solutions and products that enhance practical applications through interdisciplinary research and development.”
ReliovaProfile set up by Edverise AI
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Reliova connects hardware and cloud technology through expert IoT and embedded engineering. We assist farmers, small businesses, and industrial operators in deploying comprehensive device-to-cloud systems that provide real-time insights, smart control, and complete accountability. In contrast to lar
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Fremont, California, Us
Services Provided+2 Services
25% MLOps & Model Deployment Infrastructure
18% AI Strategy & Roadmap Consulting
8% Cloud Consulting & SI
20% API Development & Integration
AI Summary
“Reliova delivers expert IoT and embedded engineering solutions, enabling farmers, businesses, and industries to deploy device-to-cloud systems that offer real-time insights, smart control, and measurable value efficiently.”
Codezens Soft SolutionProfile set up by Edverise AI
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Codezens Soft Solution is an international full-stack digital engineering firm specializing in scalable web platforms, mobile applications, and sophisticated system integrations for startups, SaaS providers, and expanding businesses. We focus on creating interconnected digital ecosystems where web,
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Indore, Madhya Pradesh, In
Services Provided+1 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
20% API Development & Integration
20% SaaS Product Development
AI Summary
“Codezens Soft Solution is a global digital engineering firm specializing in scalable web and mobile applications, SaaS platforms, and complex system integrations for startups and enterprises.”
UpScale XProfile set up by Edverise AI
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UpScaleX is a German agency that utilizes AI automation to assist companies in removing manual, repetitive tasks with smart workflow automation. Established by Yves Lubaki, we focus on creating n8n workflows, AI agents, system integrations (including CRM and ERP), and tailored API connections. Our c
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
15% AI Agent & Multi-Agent System Development
5% AI Strategy & Roadmap Consulting
5% Custom AI Chatbot Development
5% Generative AI
AI Summary
“UpScaleX is a German AI automation agency specializing in smart workflow automation, system integration, and custom API solutions that save clients significant time while ensuring GDPR compliance and scalability.”
IntelexityProfile set up by Edverise AI
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Our company provides an extensive array of software development services, including the evaluation and enhancement of current business processes, the design and planning of information systems for maximum efficiency, the creation of documentation, the coordination of implementation efforts, and proj
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Batumi, Ge
Services Provided
38% Custom Web Application Development
12% API Development & Integration
50% DevOps Engineering
AI Summary
“Intelexity delivers comprehensive software development services, optimizing business processes through tailored solutions, system design, project management, and full lifecycle support ensuring efficiency, security, and reliability.”
CesbitProfile set up by Edverise AI
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We are the creators of open-source solutions, with ThingsDB as our premier product—an adaptable data management tool designed for startups, delivering exceptional performance, flexibility, and affordability.
Highlights
$50-99/hr
Avg Hourly Rate
2-9
Employees
Weert, Nl
Services Provided
38% Custom Web Application Development
12% API Development & Integration
50% IT Compliance & Governance
AI Summary
“Cesbit develops open-source solutions, specializing in ThingsDB, a versatile and cost-effective data management tool tailored for startups, emphasizing performance and flexibility.”
Villiers Vision Works (Pty) LtdProfile set up by Edverise AI
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Villiers Vision Works is a consultancy focused on custom software development, particularly in embedded applications, backend systems, and integrations tailored for agencies and growing companies. We serve as an unobtrusive technical partner for digital agencies and a reliable development collaborat
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
30% Custom Web Application Development
18% API Development & Integration
2% Legacy System Modernization
5% AI Strategy & Roadmap Consulting
AI Summary
“Villiers Vision Works specializes in custom, future-ready software solutions including embedded applications, secure APIs, and integrations, serving digital agencies and SMEs with tailored, maintainable, and scalable systems.”
Aubrant DigitalProfile set up by Edverise AI
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Crafting Your Digital Success: Amid continuous digital changes, we empower our clients to thrive by offering the technological tools necessary for a digital business environment. Our diverse range of customized digital services includes bespoke software development, cloud infrastructure management,
Highlights
50-249
Employees
Hopkins, Minnesota, Us
Services Provided+2 Services
10% API Development & Integration
18% Custom Web Application Development
7% Mobile App Development (iOS & Android)
5% Legacy System Modernization
AI Summary
“Aubrant Digital delivers comprehensive global digital solutions including custom software development, cloud infrastructure, and advanced AI technologies, enabling clients to excel in evolving digital landscapes.”
AxelerantProfile set up by Edverise AI
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Axelerant enables global enterprises and forward-thinking digital-first brands to create transformative digital experiences, modernize their systems, and harness the full potential of AI-driven innovation. Our multidisciplinary teams combine digital engineering, experience design, and data intellige
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Gurugram, Haryana, In
Services Provided+3 Services
13% API Development & Integration
30% Custom Web Application Development
8% E-Commerce Development
17% Custom AI Chatbot Development
AI Summary
“Axelerant partners with global enterprises to deliver AI-driven digital experiences, modernize systems, and provide agile engineering, design, and data services for scalable, innovative solutions.”
ConvergenceProfile set up by Edverise AI
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Convergence specializes in creating, designing, and implementing business-grade software ecosystems of various kinds. As a proud Canadian firm, we operate two development offices—Convergence HQ and Convergence AI Labs—in the vibrant financial district of Downtown Vancouver. Our expertise spans artif
Highlights
$50,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Vancouver, British Columbia, Ca
Services Provided+6 Services
15% Backend Development
15% API Development & Integration
8% Frontend Development
13% Custom Web Application Development
AI Summary
“Convergence is a Canadian technology partner specializing in business-grade software, AI, blockchain, cloud infrastructure, and digital solutions, serving startups to enterprises across multiple sectors.”

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