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

Trethium
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Trethium is a software engineering firm that specializes in creating scalable web platforms, AI-driven applications, and payment-integrated systems for startups and expanding businesses. We assist companies in designing, developing, and scaling contemporary digital products using technologies like .
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
24% Custom Web Application Development
10% API Development & Integration
33% AI Agent & Multi-Agent System Development
33% Managed IT Services
AI Summary
“Trethium is a software engineering firm specializing in scalable web platforms, AI-driven applications, and secure payment systems, enabling startups and businesses to develop innovative, growth-oriented digital solutions.”
Velwire Ltd.
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Velwire develops, constructs, and manages payment systems, applications, and services that support real-time electronic payments in emerging markets. Our clientele includes major tech companies, financial institutions, government agencies, and international organizations. Our Mission: To promote fin
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Dhaka, Dhaka, Bd
Services Provided+1 Services
8% E-Commerce Development
25% Custom Web Application Development
10% Mobile App Development (iOS & Android)
7% API Development & Integration
AI Summary
“Velwire Ltd. develops and manages real-time digital payment systems, enhancing interoperability and financial inclusion across emerging markets by enabling fast, secure, and accessible transactions for diverse users.”
Pace Labs
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Acquire applications that streamline your tasks, increase efficiency, and grow your business. Release and modify quickly to maintain a competitive edge.
Highlights
$1,000+
Min Project Size
2-9
Employees
Services Provided+1 Services
20% Custom Web Application Development
13% API Development & Integration
17% Mobile App Development (iOS & Android)
22% Mobile App UI Design
AI Summary
“Pace Labs develops applications that enhance operational efficiency, streamline tasks, and support business growth through rapid deployment and agile modifications, ensuring a competitive advantage.”
MORPHSYNC TECH (OPC) PRIVATE LIMITED
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Morphsync Tech was officially established on April 16, 2025, with a distinct objective: to leverage advanced technology and data-driven insights to foster business growth. Although we are a new company, our leadership team brings together decades of combined experience in areas such as automation, s
Highlights
10-49
Employees
Surat, Gujarat, In
Services Provided+4 Services
12% Mobile App Development (iOS & Android)
12% API Development & Integration
10% Custom Web Application Development
13% Cybersecurity Assessments & Hardening
AI Summary
“Morphsync Tech (OPC) Private Limited, founded in 2025, specializes in leveraging advanced technology, AI, and data-driven insights to drive scalable business growth and strategic solutions.”
Fcode Labs
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At Fcode Labs, our mission is to inspire, transform, and advance the world by delivering innovative solutions to our clients. As a multidisciplinary company with a strong track record in software engineering, AI, machine learning, robotics, and gaming, we offer a wide range of digital solutions that
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Nugegoda, Western Province, Lk
Services Provided+10 Services
15% Mobile App Development (iOS & Android)
13% API Development & Integration
13% Backend Development
10% Custom Web Application Development
AI Summary
“Fcode Labs is a multidisciplinary technology company specializing in software engineering, AI, machine learning, robotics, and gaming, delivering innovative digital solutions globally since 2018.”
PetakSys
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PetakSys is a partner in digital transformation, focused on supporting family offices, wealth management firms, private banks, and asset management companies. We assist financial organizations in modernizing their operations through custom software development, data and application integration, and
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Budapest, Budapest, Hu
Services Provided+2 Services
23% Custom Web Application Development
10% API Development & Integration
14% AI Strategy & Roadmap Consulting
13% Machine Learning Model Development
AI Summary
“PetakSys specializes in custom software and integration solutions that empower financial institutions with streamlined operations, automated reporting, and enhanced data connectivity for competitive agility.”
B
Bachmann Software
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I create web and mobile applications, as well as backend systems, for startups and small to medium enterprises, utilizing AI technology. I ensure timely delivery and provide tailored support.
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
Services Provided
40% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% API Development & Integration
10% E-Commerce Development
AI Summary
“Bachmann Software develops web, mobile, and backend applications for startups and SMEs, integrating AI technology to ensure timely delivery and customized support.”
Nuptse Technology
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Nuptse Technology provides advanced IT solutions customized to your requirements, including web and mobile development, data analytics, and innovative tools such as asset or school management systems. Our team guarantees a smooth and effective digital transformation experience. Collaborate with spec
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Kathmandu, Bagmati, Np
Services Provided+3 Services
18% Custom Web Application Development
10% API Development & Integration
15% Mobile App Development (iOS & Android)
2% Legacy System Modernization
AI Summary
“Nuptse Technology delivers tailored IT solutions including web and mobile development, data analytics, and specialized management systems, ensuring effective digital transformation and business growth.”
NASMAK LABS
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What We Do At Nasmak, we create technology that empowers progress. We offer not just software, but effective solutions that address genuine challenges and make a significant difference. Our Approach We believe that exceptional products are born from understanding rather than assumptions. We collabor
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Okara, Pk Punjab, Pk
Services Provided+2 Services
20% Custom Web Application Development
18% Mobile App Development (iOS & Android)
10% API Development & Integration
2% Blockchain & Web3 Development
AI Summary
“Nasmak Labs develops tailored web and mobile applications, scalable backend systems, and AI-driven solutions, collaborating closely with clients to create impactful, thoughtful, and scalable digital products.”
Synsoft Global
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Synsoft Global is your reliable technology partner for creating high-quality custom software solutions. With over 20 years of experience as IT service providers, we have successfully designed, developed, and launched web and mobile applications for clients worldwide. As an IT outsourcing company, we
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Indore, Madhya Pradesh, In
Services Provided+7 Services
15% Custom Web Application Development
15% Mobile App Development (iOS & Android)
10% API Development & Integration
8% Blockchain & Web3 Development
AI Summary
“Synsoft Global delivers expert custom software solutions worldwide, specializing in web, mobile, AI, and blockchain technologies, ensuring seamless collaboration and innovative IT services for diverse industries.”

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