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. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

Ratings Updated: August 9, 2026

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8,617 Companies

List of the Best API Development & Integration Agencies

QuontexProfile set up by Edverise AI
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For more than ten years, Quontex has provided advanced software engineering solutions and consultancy, effectively addressing intricate business challenges and establishing itself as a prominent global technology services provider. With specialized knowledge across various sectors including AdTech,
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Lisboa, Lisbon, Pt
Services Provided+1 Services
75% Custom Web Application Development
25% API Development & Integration
60% BI & Big Data Consulting & SI
10% IT Staff Augmentation
AI Summary
“Quontex is a global technology services provider offering advanced software engineering, AI, Big Data, and cloud solutions across diverse sectors including FinTech, AdTech, and IoT.”
Reliable GroupProfile set up by Edverise AI
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Reliable Group provides you with access to over 3,000 technical resources to help grow your organization. With decades of experience, we have identified three distinct models that drive results. Each of our models is effective for large-scale application delivery and addresses unique requirements. W
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
250-999
Employees
Hicksville, New York, Us
Services Provided+9 Services
30% Custom Web Application Development
25% Backend Development
25% API Development & Integration
5% Blockchain & Web3 Development
AI Summary
“Reliable Group offers access to over 3,000 technical professionals and three proven delivery models, supporting diverse sectors like finance, healthcare, and e-commerce for effective project development.”
MobifyProfile set up by Edverise AI
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Welcome to Mobify, where creativity blends with innovation! For the past ten years, we've been crafting digital experiences and developing web applications with a passionate team of over 180 skilled professionals. Our portfolio boasts more than 30 unique projects that have captivated over 200 millio
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Services Provided
40% Mobile App Development (iOS & Android)
35% Custom Web Application Development
15% API Development & Integration
10% QA & Software Testing
AI Summary
“Mobify, a global leader in game and software development with 180+ experts, creates innovative digital experiences and offers software services to international clients.”
DianAppsProfile set up by Edverise AI
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DianApps is a comprehensive digital IT solution provider and an AI-centered product development firm, established in the USA, Australia, UAE, Canada, and India, and is trusted by startups, scale-ups, and businesses worldwide. With more than 8 years of experience and over 450 completed projects, our
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Jaipur, Rajasthan, In
Services Provided+4 Services
40% Mobile App Development (iOS & Android)
30% Custom Web Application Development
20% API Development & Integration
10% ERP & CRM Development
AI Summary
“DianApps is an AI-focused global IT firm delivering mobile, web, AI, and CRM solutions with over 450 projects across industries, offering end-to-end digital product development and consulting.”
BuildOrbit StudioProfile set up by Edverise AI
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Many development agencies focus on delivering code, whereas we specialize in producing fully functional products ready for deployment. BuildOrbit is a product engineering studio located in Pune, India, collaborating with startups and early-stage teams to build their inaugural products with scalable
Highlights
25-49
Avg Hourly Rate
Pune, Maharashtra, In
Services Provided+1 Services
40% Custom Web Application Development
20% Mobile App Development (iOS & Android)
30% API Development & Integration
10% E-Commerce Development
AI Summary
“BuildOrbit Studio is a Pune-based product engineering firm specializing in scalable, production-ready software for startups across sectors like healthcare, PropTech, and AgriTech using modern tech stacks.”
JAM-IT BPM ConsultantsProfile set up by Edverise AI
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JAM-IT BPM Consultants is a technology consulting company focused on low-code solutions, automating business processes, and updating legacy systems for government and large enterprise clients. Our team, comprised of industry professionals with years of expertise, assists organizations in optimizing
Highlights
$50,000+
Min Project Size
2-9
Employees
Evanston, Illinois, Us
Services Provided+1 Services
25% Custom Web Application Development
30% API Development & Integration
45% Legacy System Modernization
60% AI Strategy & Roadmap Consulting
AI Summary
“JAM-IT BPM Consultants specializes in low-code technology, automating business processes, and modernizing legacy systems for government and enterprises, delivering tailored, secure, and scalable digital solutions.”
DevexpertsProfile set up by Edverise AI
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Devexperts is a software provider for the capital markets sector, creating financial software solutions tailored for retail and institutional brokerage firms, wealth management companies, investment funds, exchanges, and insurance providers. The company caters to various financial markets including
Highlights
1000-9999
Employees
Dublin, Leinster, Ie
Services Provided+3 Services
40% Custom Web Application Development
30% API Development & Integration
20% Backend Development
10% Frontend Development
AI Summary
“Devexperts develops award-winning financial software for diverse capital markets, serving brokerage firms, asset managers, exchanges, and insurers globally with a large expert engineering team.”
Flywheel StudioProfile set up by Edverise AI
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Flywheel Studio is the leading FlutterFlow Agency, specializing in web and mobile applications in various sectors, including financial services, healthcare, health and fitness, field service management, and more. It has been recognized as the FlutterFlow Agency of the Year for 2024 and 2025.
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
70% Mobile App Development (iOS & Android)
30% API Development & Integration
40% Product UX Strategy
45% Mobile App UI Design
AI Summary
“Flywheel Studio, awarded FlutterFlow Agency of the Year (2024-2025), specializes in developing web and mobile applications across diverse sectors such as finance, healthcare, fitness, and field service management.”
Tran DevelopmentProfile set up by Edverise AI
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TranDev is a forward-thinking custom software development firm focused on educational technology. Utilizing an AI-powered team, we swiftly convert research prototypes into scalable SaaS products. Our skills merge advanced technology, agile development, and profound educational knowledge to provide q
Highlights
$25,000+
Min Project Size
100-149
Avg Hourly Rate
2-9
Employees
Services Provided
40% API Development & Integration
60% Custom Web Application Development
45% AI Strategy & Roadmap Consulting
55% Generative AI
AI Summary
“TranDev is a custom software development firm specializing in AI-driven educational technology, delivering scalable, agile SaaS solutions that enable rapid innovation and efficient growth for EdTech clients.”
Levvio ConsultingProfile set up by Edverise AI
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We collaborate with specialized and streamlined B2B companies aiming to utilize emerging technologies to enhance their business performance.
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Croydon, England, Gb
Services Provided
60% Custom Web Application Development
40% API Development & Integration
55% AI Strategy & Roadmap Consulting
45% Machine Learning Model Development
AI Summary
“Levvio Consulting partners with specialized B2B companies to leverage emerging technologies, enhancing business performance through innovative, streamlined solutions across diverse industries.”

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