Top API Developers
APIs are the connective tissue of modern software — they let your applications talk to payment processors, third-party data sources, mobile clients, and internal microservices. When that integration breaks or scales poorly, the downstream impact is immediate.
API developers on Clutch are vetted through verified client reviews and detailed project histories, giving you a reliable basis for comparison before you hire. These firms handle the full range of API work: RESTful API design and development, GraphQL implementations, API security and authentication, third-party integrations, and legacy system connectivity. Browse software testing companies to vet your API layer after build, or explore the full API developers directory for detailed firm profiles and pricing.
-
$5,000+$50 - $99 / hr2 - 9Rutigliano, Italy
Services provided
Customcode srl is a software development company. They focus on Custom Software Development and Web Development and were founded in 2022.
Read more -
$5,000+$25 - $49 / hr2 - 9Cedar Hills, UT
Services provided
See all 1 projectsMarketing Fruit Apps specializes in mobile game development and marketing services, including programming, graphic design, and promotional videos. Overall, their reviews highlight their punctual project management, excellent communication, and dedication to meeting client needs. Clients particularly praise their speed, attention to detail, and professional approach, with no noted areas for improvement.
-
UndisclosedUndisclosed2 - 9
Services provided
Other Marketing company ReachMax was launched in 2025. The company focuses on Other Marketing and API Development, and is small.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
SemBricks is an API Development company. The Winschoten, Netherlands-based firm was founded in 2019. Their services include API Development and Custom Software Development.
Read more -
$1,000+< $25 / hr10 - 49
Services provided
Techpyro, an API Development company, is based in Haridwar, India. Launched in 2023, the team focuses on API Development and UX/UI Design.
Read more -
$5,000+$25 - $49 / hr10 - 49Pune, India
Services provided
Saee Software Pvt Ltd is a Pune, India-based website development company. The team focuses on Web Development and API Development.
Read more -
$1,000+< $25 / hr10 - 49
Services provided
Headquartered in Nawala, Sri Lanka, LimarkTech is an API Development company. Their services include API Development and Application Testing.
Read more -
$25,000+$100 - $149 / hr10 - 49
Services provided
API Development company Suflon Tech LLP is headquartered in Mumbai, India. Their services include API Development and Custom Software Development.
Read more -
$10,000+$150 - $199 / hr10 - 49
Services provided
Xcellerated Solutions LLC, an ERP consulting and SI company, is headquartered in Kaysville, Utah. The team focuses on ERP consulting and SI and API Development.
Read more -
Undisclosed< $25 / hr10 - 49
Services provided
Hyper Minds is an API Development company in pune, India. Founded in 2024, the team focuses on API Development and UX/UI Design.
Read more -
$5,000+$25 - $49 / hr50 - 249
Services provided
KloudCodey Private Limited, a midsize CRM consulting and SI company, is headquartered in Varanasi, India and Littleton, Colorado. Their services include CRM consulting and SI and Web Development.
Read more -
$1,000+UndisclosedFreelancer
Services provided
Established in 2024, ChartJuice, a small API Development company, is in Detroit, Michigan. Their services include API Development.
Read more -
$25,000+$50 - $99 / hr50 - 249Pretoria, South Africa
Services provided
Pepla is a custom software development company. They are based in Pretoria, South Africa and have midsize team. They offer Custom Software Development and Mobile App Development.
Read more -
$1,000+$25 - $49 / hrFreelancer
Services provided
Connect Dev Pro is an API Development company. The Austin, Texas-based company was established in 2023. Their services include API Development and Robotics Process Automation.
Read more -
$10,000+$50 - $99 / hr10 - 49Batam City, Indonesia
Services provided
Talenta Digital Solution is a custom software development company. The agency is headquartered in Batam City, Indonesia. Their team provides Custom Software Development and Web Development.
Read more -
$1,000+$25 - $49 / hr10 - 49Rajkot, India
Services provided
Zentech Softech India is a web development company. Based in Rajkot, India, their team specializes in Web Development and Custom Software Development.
Read more -
$1,000+< $25 / hr2 - 9
Services provided
See all 1 projectsWinSoft specializes in web application development, including API development, with expertise in UI/UX design and RESTful API Development. Reviews highlight their technical proficiency, efficient project management, and ability to deliver high-quality, user-friendly solutions on time. Clients commend the team’s professionalism, responsiveness, and excellent value for cost, recommending them for web app and design needs.
-
$5,000+$50 - $99 / hr2 - 9Groningen, Netherlands
Services provided
Established in 2026, awawa is a software development firm. The team offers Custom Software Development and API Development.
Read more -
$5,000+$25 - $49 / hr2 - 9
Services provided
DOMINO IT, a custom software development company, was founded in 2014. The team focuses on Custom Software Development and AI Agents and is headquartered in Quito, Ecuador.
Read more -
$1,000+$25 - $49 / hr10 - 49
Services provided
Web Tech Ware is a Delhi, India-based user experience design agency. Launched in 2023, the team provides UX/UI Design and Graphic Design.
Read more -
Undisclosed$25 - $49 / hr10 - 49
Services provided
Launched in 2024, The Xynova is an API Development company. The company offers API Development and Branding, and is small.
Read more -
$1,000+< $25 / hr10 - 49
Services provided
Custom software development firm eoAgency focuses on Custom Software Development and Web Development. They are based in Lagos, Nigeria.
Read more -
$1,000+$25 - $49 / hr10 - 49Glendale, CA
Services provided
Established in 2024, Zareko is a custom software development firm. The small team specializes in Custom Software Development and Web Development.
Read more -
$1,000+$100 - $149 / hr2 - 9
Services provided
Small API Development company KLMHosting, is based in Lake Tapps, Washington. The team offers API Development and DevOps Managed Services.
Read more -
$5,000+$50 - $99 / hr2 - 9Daytona Beach, FL
Services provided
Sprut Agency is a software development firm. They offer Custom Software Development and Digital Strategy and were founded in 2025. The agency is based in Daytona Beach, Florida.
Read more -
$50,000+$50 - $99 / hr2 - 9
Services provided
Wingravity is a custom software development firm headquartered in Iași, Romania. Established in 2017, the team focuses on Custom Software Development and Web Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
The Forge Agency, an IT strategy consulting company, is headquartered in Paris, France. They provide IT strategy consulting and Web Development and were established in 2023.
Read more -
$1,000+$50 - $99 / hr2 - 9
Services provided
Opteon is a custom software development firm. Their team is in Sint-Niklaas, Belgium and specializes in Custom Software Development and Mobile App Development.
Read more -
$1,000+$100 - $149 / hrFreelancer
Services provided
Established in 2024, KLEAK DEVELOPMENT is a small API Development company headquartered in Forgues, France. Their team specializes in API Development and Mobile App Development.
Read more -
$1,000+$50 - $99 / hr2 - 9Paris, France
Services provided
Scalerize is a software development firm. They focus on Custom Software Development and Web Development and were established in 2024. The agency is in Paris, France.
Read more -
$1,000+$25 - $49 / hr2 - 9Dendermonde, Belgium
Services provided
Devloo Development is an IT strategy consulting company. The agency is based in Dendermonde, Belgium. Their services include IT strategy consulting and Custom Software Development.
Read more -
UndisclosedUndisclosed1,000 - 9,999Bracknell, England
Services provided
IT strategy consulting company Excis Compliance was established in 2001. The team provides IT strategy consulting and cloud consulting & SI and is in Bracknell, England and Navi Mumbai, India.
Read more -
UndisclosedUndisclosed250 - 999
Services provided
Storyland Studios is a video production company. Based in Los Angeles, California, the agency specializes in Video Production and API Development.
Read more -
UndisclosedUndisclosed50 - 249Palo Alto, CA
Services provided
Fiorano is a Business Consulting and API Development company. They offer Business Consulting and API Development and were established in 1995.
Read more -
UndisclosedUndisclosed50 - 249Dover, DE
Services provided
SuperViz is a web development company and API Development company launched in 2018. The midsize team specializes in Web Development and API Development.
Read more -
UndisclosedUndisclosed50 - 249Rehoboth Beach, DE
Services provided
EnoviQ Technologies is a Rehoboth Beach, Delaware-based API Development company. They offer API Development and DevOps Managed Services.
Read more -
UndisclosedUndisclosed1,000 - 9,999Dayton, OH
Services provided
Founded in 1910, Vivial Connect is a SEO company and API Development company. The firm offers Search Engine Optimization and API Development, and is large.
Read more -
UndisclosedUndisclosed50 - 249
Services provided
Degen Web3 Services is a Blockchain Marketing and API Development company established in 2022. Their team specializes in Blockchain Marketing and API Development.
Read more -
UndisclosedUndisclosed50 - 249St. Charles, IL
Services provided
Iyka Enterprises Inc., a midsize API Development company, is headquartered in St. Charles, Illinois. The team offers API Development.
Read more -
$5,000+< $25 / hr50 - 249Gurugram, India
Services provided
Mobifly.tech is a graphic design agency. The Gainesville, Alabama-based firm was founded in 2013. Their team offers Graphic Design and Web Development.
Read more -
UndisclosedUndisclosed10 - 49Prince George, Canada
Services provided
OSOlink Solutions is a SEO agency. Their small team is based in Prince George, Canada and provides Search Engine Optimization and Web Development. The firm was founded in 2014.
Read more -
UndisclosedUndisclosed10 - 49
Services provided
REVAUXY, a custom software development company, focus on Custom Software Development and Mobile App Development. They were launched in 1994.
Read more -
$1,000+$25 - $49 / hr10 - 49Panamá, Panama
Services provided
See all 2 projectsAt Corporate TIC, we bring over 7 years of experience delivering high-level services in custom software development, mobile app development (Android & iOS), eCommerce platforms, API
Read more -
$25,000+$50 - $99 / hr50 - 249
Services provided
E-commerce development firm Global Triangles was established in 2018. The company offers E-Commerce Development and Artificial Intelligence, and is midsize.
Read more -
$5,000+$100 - $149 / hrFreelancerEast Gwillimbury, Canada
Services provided
Crafting Clouds Solutions Inc. Is a software development company launched in 2023. Based in East Gwillimbury, Canada, the team provides Custom Software Development and API Development.
Read more -
$1,000+< $25 / hr2 - 9Rawalpindi, Pakistan
Services provided
Devingdom Technologies is a Rawalpindi, Pakistan-based software development firm. Established in 2023, the team specializes in Custom Software Development and Web Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
API Development company Unilo Studio is headquartered in Denpasar, Indonesia. They offer API Development and Custom Software Development and were established in 2026.
Read more -
$5,000+$25 - $49 / hr10 - 49
Services provided
CodeedInc is a small Lalitpur, Nepal-based software development company. Their services include Custom Software Development and Graphic Design.
Read more -
Undisclosed< $25 / hr2 - 9
Services provided
Web development company Phoenix Software Development Compnay was launched in 2022. The company specializes in Web Development and API Development, and is small.
Read more -
$1,000+$50 - $99 / hr10 - 49
Services provided
Mobile application development company ETSEC is in Hyderabad, India. Their services include Mobile App Development and API Development.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies and their real-time quotes in minutes.
Get My QuotesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 API Development Services
-
$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
32.3/40.017.4/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
70% API Development30% Other -
$1,000+$25 - $49 / hr50 - 249Austin, TX
Ability to deliver
35.5/40.020/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr10 - 49St. Louis, MO
Ability to deliver
34.1/40.020/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.7/40.019/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31/40.017/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% API Development70% Other -
$5,000+< $25 / hr50 - 249Stamford, England
Ability to deliver
33.5/40.019.6/20 Reviews10/10 Clients & Experience3.9/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Zymna Voda, Ukraine
Ability to deliver
33.3/40.018.4/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$150 - $199 / hr50 - 249Wilder, KY
Ability to deliver
33.3/40.017.2/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249Castrop-Rauxel, Germany
Ability to deliver
33.2/40.018.6/20 Reviews10/10 Clients & Experience4.6/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$25 - $49 / hr50 - 249Luzern, Switzerland
Ability to deliver
32.9/40.018.2/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
32.9/40.019.2/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr10 - 49Sydney, Australia
Ability to deliver
32.5/40.018.8/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$100 - $149 / hr10 - 49Denver, CO
Ability to deliver
32.4/40.018/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Ability to deliver
31.8/40.017.2/20 Reviews10/10 Clients & Experience4.6/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
Ability to deliver
31.4/40.018.4/20 Reviews8.9/10 Clients & Experience4.1/10 Market PresenceService focus
15% API Development85% Other -
$100,000+$25 - $49 / hr50 - 249
Ability to deliver
31.7/40.017.6/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$25 - $49 / hr50 - 249San Antonio, TX
Ability to deliver
31.7/40.017.8/20 Reviews10/10 Clients & Experience3.9/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$150 - $199 / hr10 - 49Nashville, TN
Ability to deliver
31.8/40.017.4/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
28.8/40.016.2/20 Reviews8.5/10 Clients & Experience4.1/10 Market PresenceService focus
30% API Development70% Other -
$25,000+Undisclosed50 - 249Blue Ash, OH
Ability to deliver
29.5/40.016.8/20 Reviews7.5/10 Clients & Experience5.2/10 Market PresenceService focus
25% API Development75% Other -
$10,000+Undisclosed10 - 49
Ability to deliver
31.1/40.018/20 Reviews9.2/10 Clients & Experience3.9/10 Market PresenceService focus
15% API Development85% Other -
$25,000+$25 - $49 / hr50 - 249
Ability to deliver
31.4/40.017.2/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
10% API Development90% Other -
$10,000+$50 - $99 / hr2 - 9Koog aan de Zaan, Netherlands
Ability to deliver
29.4/40.016.8/20 Reviews8.9/10 Clients & Experience3.7/10 Market PresenceService focus
35% API Development65% Other -
$5,000+$25 - $49 / hr50 - 249Islamabad, Pakistan
Ability to deliver
31.3/40.018.4/20 Reviews9.2/10 Clients & Experience3.7/10 Market PresenceService focus
10% API Development90% Other -
$5,000+$50 - $99 / hr50 - 249České Budějovice, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.4/10 Clients & Experience4.1/10 Market PresenceService focus
10% API Development90% Other -
$25,000+$100 - $149 / hr50 - 249Austin, TX
Ability to deliver
30.6/40.019.2/20 Reviews7.5/10 Clients & Experience3.9/10 Market PresenceService focus
15% API Development85% Other -
$5,000+$50 - $99 / hr10 - 49Kraków, Poland
Ability to deliver
29.8/40.016.4/20 Reviews9.5/10 Clients & Experience3.9/10 Market PresenceService focus
25% API Development75% Other -
$10,000+$50 - $99 / hr10 - 49
Ability to deliver
30.9/40.017/20 Reviews9.7/10 Clients & Experience4.2/10 Market PresenceService focus
15% API Development85% Other -
$50,000+$150 - $199 / hr10 - 49Toronto, Canada
Ability to deliver
29.8/40.015.8/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
25% API Development75% Other
API Development FAQs
Clutch features companies that design, build, and document scalable APIs that power integrations and modern applications quarterly based on a proprietary methodology. The top API development companies for 2026 include:
API developers design, build, and maintain the interfaces that allow software systems to communicate. Most of these dedicated firms offer a multitude of specialized and tailored services, such as:
- Defining data structures and endpoints
- Writing server-side logic
- Implementing authentication protocols like OAuth 2.0 or API keys
- Handling rate limiting and error responses
- Documenting the API for internal or external consumers
Many API developers also handle integration work — connecting your product to third-party services like Stripe, Salesforce, or Twilio.
Recent Clutch pricing data shows that simple third-party integrations generally fall in the $5,000 – $25,000 range, while custom-built API platforms for enterprise applications can exceed $100,000.
Hourly rates for API development firms typically range from $25 – $149 per hour, depending on a range of factors, including the firm's location, seniority, and specialization. Compare pricing against other providers and thoroughly review the cost breakdown to ensure transparency before signing any contracts.
A development firm brings structured processes, dedicated QA, and built-in redundancy. Firms also tend to have formal security practices, code review workflows, and experience managing integrations at scale.
For complex builds involving multiple third-party systems, authentication layers, or ongoing versioning, a company typically offers more stability, accountability, and long-term support capacity than a freelancer.
Match the AP development firm's experience to your technical requirements. A team with a deep REST and Node.js background will serve a different need than one specializing in GraphQL or enterprise middleware.
After that, make sure to review their Clutch profiles for relevant project examples and ask candidates how they handle API versioning, backward compatibility, and security vulnerabilities. Shortlist the top two or three promising partners that meet your initial assessment, then schedule an interview with their team to discuss your project and personally gauge their fit.
Watch for firms that jump straight to implementation without a discovery or design phase — poorly planned APIs are expensive to refactor. Other red flags that you should be aware of include no mention of documentation deliverables, vague answers about authentication and data security, and unwillingness to share code samples or past integration case studies.