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.
-
$10,000+$100 - $149 / hr2 - 9
Services provided
AI firm Intelletix Inc. Was founded in 2023. The small team focuses on Artificial Intelligence and Custom Software Development.
Read more -
$1,000+$25 - $49 / hr2 - 9Ambala, India
Services provided
Neofork Tech, an application development company, is based in Ambala, India. Founded in 2024, the team focuses on Mobile App Development and Web Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Code Machinist, a web development firm, was launched in 2021. In Domar, Bangladesh, the team provides Web Development and API Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Ops Solutions, a CRM consulting and SI company, is based in Euless, Texas. They provide CRM consulting and SI and API Development.
Read more -
Undisclosed$200 - $300 / hr2 - 9
Services provided
Brivax - Digital Engineering is a website development company established in 2025. Headquartered in Philadelphia, Pennsylvania, the team specializes in Web Development and Custom Software
Read more -
$1,000+< $25 / hr2 - 9
Services provided
Headquartered in Tegucigalpa, Honduras, Zsystems is an API Development company. Their services include API Development and Custom Software Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
CoreFinity is an application development firm. Founded in 2025, the team specializes in Mobile App Development and Web Development. The agency is in Islamabad, Pakistan.
Read more -
$5,000+$25 - $49 / hr2 - 9
Services provided
Vaayu Labs is a custom software development company. They are based in Pune, India and have small team of experts. Their services include Custom Software Development and Artificial Intelligence.
Read more -
$10,000+$50 - $99 / hr2 - 9Markham, Canada
Services provided
TopoView Consulting Inc. Is a software development company based in Markham, Canada. The team specializes in Custom Software Development and Web Development.
Read more -
$5,000+$50 - $99 / hr2 - 9Wrocław, Poland
Services provided
Mytnic is a software development company. Their team is based in Wrocław, Poland and offers Custom Software Development and Artificial Intelligence.
Read more -
$1,000+< $25 / hr2 - 9
Services provided
Launched in 2026, KyawTech is a web development firm. The small team offers Web Development and Custom Software Development.
Read more -
Undisclosed< $25 / hr2 - 9
Services provided
Mobile application development company Pulsevix Technologies Private Limited was launched in 2026. The team provides Mobile App Development and API Development and is located in Meerut, India.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Custom software development company ZerithonLabs was founded in 2022. The firm focuses on Custom Software Development and Web Development, and is small.
Read more -
UndisclosedUndisclosed2 - 9Ahmedabad, India
Services provided
Based in Ahmedabad, India, SynapseTech is an AI Agents company. They focus on AI Agents and API Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Dé Lime Tree is an e-commerce development firm. Their small team is located in Colombo, Sri Lanka. Their services include E-Commerce Development and Custom Software Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Divine Stack, a small software development firm, is located in Soshanguve, South Africa. The team offers Custom Software Development and Web Development.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
Launched in 2026, SyncAptiv Technology is a small Pune, India-based custom software development firm. Their services include Custom Software Development and Web Development.
Read more -
$10,000+$25 - $49 / hr2 - 9
Services provided
Founded in 2020, ANQIVO is a small software development firm headquartered in Delhi, India. Their team offers Custom Software Development and Web Development.
Read more -
Undisclosed$25 - $49 / hr2 - 9Akure, Nigeria
Services provided
Headquartered in Akure, Nigeria, NoQodepro is a small AI Agents company. The team specializes in AI Agents and AI Consulting.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Software development company AbstractWorks was established in 2026. The team focuses on Custom Software Development and Web Development.
Read more -
Undisclosed< $25 / hr2 - 9
Services provided
Blackdot Labs Limited is a custom software development company. They were launched in 2019, and their services include Custom Software Development and API Development.
Read more -
$1,000+< $25 / hr2 - 9
Services provided
CodeSavvy, an AI Agents company, was established in 2026. The team focuses on AI Agents and API Development and is headquartered in Bhubaneswar, India.
Read more -
$1,000+$50 - $99 / hr2 - 9
Services provided
Custom software development firm Ansum Technologies was established in 2018. The small team offers Custom Software Development and Mobile App Development.
Read more -
$1,000+$50 - $99 / hr2 - 9Land O' Lakes, FL
Services provided
Established in 2025, QuantumLoop Labs is a small Land O' Lakes, Florida-based software development firm. Their services include Custom Software Development and API Development.
Read more -
$1,000+$50 - $99 / hr2 - 9Raszyn, Poland
Services provided
VXRO, a small API Development company, is based in Raszyn, Poland. Their services include API Development and Custom Software Development.
Read more -
$1,000+$50 - $99 / hr2 - 9
Services provided
Kingdom of Kumar is an AI Agents company. Their team is headquartered in Manali, India and offers AI Agents and Artificial Intelligence.
Read more -
Undisclosed< $25 / hr2 - 9Ahmedabad, India
Services provided
ShreeVibes Systems is an API Development company founded in 2025. Located in Ahmedabad, India, the team offers API Development and Application Management & Support.
Read more -
$1,000+$25 - $49 / hr2 - 9Gandhinagar, India
Services provided
JT SOFTWARE SERVICES is a small API Development company. Launched in 2025, the team focuses on API Development and Custom Software Development.
Read more -
$1,000+< $25 / hr2 - 9
Services provided
NEVTK AI is an app development firm established in 2017. The team offers Mobile App Development and E-Commerce Development.
Read more -
$1,000+$100 - $149 / hr2 - 9
Services provided
Pismet is a custom software development company. They are in Guayaquil, Ecuador and have small team of experts. Their services include Custom Software Development and E-Commerce Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Scraping Solution Ltd is a big data analytics company founded in 2023. The team specializes in BI & big data consulting & SI and AI Agents.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Located in Deva, Romania, Hitexbau is a small e-commerce development company. Their services include E-Commerce Development and API Development.
Read more -
$5,000+Undisclosed2 - 9
Services provided
Software development company Softradis offers Custom Software Development and AI Agents. They are in Pudisoo, Estonia.
Read more -
UndisclosedUndisclosed2 - 9Vasai-Virar, India
Services provided
API Development company Suvrion Consulting offers API Development and Mobile App Development. They were launched in 2026.
Read more -
UndisclosedUndisclosed2 - 9
Services provided
Tikram is a custom software development firm. They specialize in Custom Software Development and AI Agents and are headquartered in Sin El Fil, Lebanon.
Read more -
$5,000+< $25 / hr2 - 9
Services provided
Established in 2026, Sindhura Smart Interface is a small Bengaluru, India-based web development firm. Their services include Web Development and API Development.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Nexvius Labs, a small software development company, is based in Akure, Nigeria and Amsterdam, Netherlands. The team offers Custom Software Development and Web Development.
Read more -
$1,000+$25 - $49 / hr10 - 49Istanbul, Türkiye
Services provided
Founded in 2023, Chick Studio is a Blockchain company. The agency provides Blockchain and Branding, and is small.
Read more -
Undisclosed< $25 / hrFreelancerBassi Muda, India
Services provided
Jaspreet Singh is an IT strategy consulting company. Located in Bassi Muda, India, their small team specializes in IT strategy consulting and Mobile App Development. The company was founded in 2017.
Read more -
$1,000+$50 - $99 / hr2 - 9Noida, India
Services provided
See all 2 projectsDodox is a creative web and mobile app design & development studio helping startups and growing brands bring bold ideas to life. Our solution suite includes: UI/UX Design Web & Mobile
Read more -
$1,000+$100 - $149 / hr2 - 9Lutz, FL
Services provided
See all 2 projectsYotomations is a Tampa-based AI and automation consultancy founded by Yaakov (Koby) Oranski. We help businesses of all sizes streamline operations, automate sales, and scale faster by combining
Read more -
$5,000+< $25 / hr2 - 9
Services provided
See all 1 projectsMossmize is a leading global software development company specializing in cutting-edge mobile app development, web platforms, AI solutions, cloud services, and custom software solutions. With a
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsAt PHagento, we help businesses build, optimize, and maintain high-performance eCommerce websites, custom web applications, and AI-powered solutions. With over 17 years of experience, we've
Read more -
$1,000+$25 - $49 / hr2 - 9Udaipur, India
Services provided
See all 1 projectsCommiters is an engineering studio building enterprise AI products and scalable cloud platforms. We specialise in spec-driven software development, governed Model Context Protocol (MCP)
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsInitiumX builds high-performance custom software, mobile apps, and AI-driven automation solutions for modern businesses. We provide end-to-end digital transformation with fixed pricing, clear
Read more -
Undisclosed< $25 / hr2 - 9Rajkot, India
Services provided
See all 3 projectsWho we are Your Trusted Tech Partner & Leading IT Development Service Provider Anzo Technology, located in the heart of Saurashtra in Rajkot, Gujarat, India, was founded by Vivek Aghera and Jay
Read more -
Undisclosed$25 - $49 / hr2 - 9
Services provided
See all 1 projectsOur journey began with a shared vision of transforming businesses through the use of DYNAMICS 365 CRM technology. We have since helped countless clients achieve their goals
Read more -
$5,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsPR TYPO3 offers comprehensive services including TYPO3 development, exclusive design creation, DevOps, and multilingual SEO optimization. Their reviews highlight their professionalism, timely delivery, and high-quality output. Clients appreciate their adherence to deadlines, valuable consultations, and training, indicating a strong alignment of company values and cultural fit. PR TYPO3 is recommended for future projects and referrals.
-
$1,000+< $25 / hr2 - 9
Services provided
See all 1 projectsThe Web3 marketing agency specializes in digital marketing and offers comprehensive Web3 marketing training programs tailored for individuals and businesses alike. Partner with us to empower your
Read more -
Undisclosed< $25 / hr2 - 9Chennai, India
Services provided
See all 1 projectsWe are committed to delivering excellence through integrity, innovation, and customer-centric service. Our values are rooted in trust, transparency, and teamwork—empowering businesses with
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+$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 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.5/40.018.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
10% API Development90% 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.