Top REST API Developers in the United States
From Silicon Valley’s cloud pioneers to fintech innovators in New York and Austin’s vibrant startup scene, the United States is a global hub for robust, secure REST API development.
Clutch makes it easy to sort through hundreds of U.S. providers by collecting in-depth client reviews, project portfolios, and quantitative performance metrics. Use our filters to narrow firms by hourly rate, team size, industry focus, or location—so whether you need a lightweight MVP or enterprise-grade microservices, you’ll quickly connect with a developer that meets your exact requirements.
Ready to explore? Start with these curated resources:
• REST API Developers in New York City
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UndisclosedUndisclosed2 - 9Austin, TX
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Launched in 2019, WeeConv is an UX design agency. The small team specializes in UX/UI Design and Web Development.
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UndisclosedUndisclosed2 - 9Grandview Heights, OH
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Radial Studios is an e-commerce development firm. Their team is headquartered in Grandview Heights, Ohio and specializes in E-Commerce Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Boston, MA
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Gitana Software, an user experience design agency, is headquartered in Boston, Massachusetts. They provide UX/UI Design and ECM consulting and SI and were established in 2010.
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UndisclosedUndisclosed10 - 49Lancaster, PA
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5.15 Technologies is a small IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were founded in 2021.
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$5,000+$25 - $49 / hr50 - 249Princeton, NJ
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See all 13 projectsAroopa is an API Development company specializing in comprehensive API integration and application programming services. Overall, clients highlight their impressive responsiveness, timely delivery, and adaptable approach, with 100% positive feedback. Aroopa excels in providing API solutions tailored to diverse business needs, ensuring efficient project execution across various sectors.
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UndisclosedUndisclosed2 - 9New York, NY
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IGenii Inc. Is a social media marketing company. Their team is located in New York, New York. The company offers Social Media Marketing and Search Engine Optimization.
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Undisclosed$50 - $99 / hr50 - 249Miami, FL
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See all 3 projectsAres Group Business Consulting is a business consulting firm specializing in API Development services and digital transformation solutions. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management and proactive approach. Clients praise their ability to automate complex processes and improve operational efficiency, citing significant reductions in manual errors and streamlined workflows.
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UndisclosedUndisclosed50 - 249Houston, TX
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TechXi is an UX design agency. In Houston, Texas and Vadodara, India, the company specializes in UX/UI Design and cloud consulting & SI.
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UndisclosedUndisclosedFreelancerFerndale, MI
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TobiVision, Inc., an IT strategy consulting company, is located in Ferndale, Michigan. They specialize in IT strategy consulting and Custom Software Development.
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UndisclosedUndisclosedFreelancerOverland Park, KS
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LightCore Systems is an IoT development company founded in 2002. Located in Overland Park, Kansas, the team specializes in IoT development and Custom Software Development.
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UndisclosedUndisclosedFreelancerDallas, TX
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Mad App Design is a web design agency located in Dallas, Texas. They specialize in Web Design and Custom Software Development and were founded in 2012.
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UndisclosedUndisclosedFreelancerJohnstown, CO
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Blackbird BI, LLC, a big data analytics company, is located in Johnstown, Colorado. They offer BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosedFreelancerPleasant Hill, OH
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Incline Digital LLC is an UX agency founded in 2004. The small team focuses on UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed50 - 249Greenville, SC
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Mobile application development company QAP Software Solutions focuses on Mobile App Development and IoT development. They were established in 2015.
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$1,000+$25 - $49 / hr50 - 249Hallandale Beach, FL
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Argon Tech is a custom software development company. Located in Hallandale Beach, Florida and Lahore, Pakistan, the agency provides Custom Software Development and Web Development.
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Undisclosed< $25 / hr50 - 249Dallas, TX
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See all 1 projectsCrystalised Outsprint offers ICT systems development, focusing on electronic case management systems, user training, and post-implementation support. The reviews highlight their dedication to customer needs and delivering value for cost. Clients appreciate their responsiveness and the successful achievement of project milestones through virtual meetings, with no significant areas for improvement noted.
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$10,000+< $25 / hr50 - 249Union City, CA
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Cloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.
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$10,000+$25 - $49 / hr10 - 49Huntington Beach, CA
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Alokin is a software development company founded in 2011. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr10 - 49Kirkland, WA
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App development company Cuboid LLC was founded in 2023. The team offers Mobile App Development and Custom Software Development.
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$25,000+$50 - $99 / hr50 - 249Miami, FL
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See all 1 projectsNazaries intelligenia is an API Development company known for delivering MVPs and providing skilled engineering resources. Reviews highlight their adaptability in project management and strong alignment with client needs, with 100% positive feedback on their collaborative approach and ability to facilitate knowledge transfer. Their work enabled a client to attract over 5,000 customers and secure $70 million in funding.
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UndisclosedUndisclosed250 - 999Orlando, FL
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Simplify3X, a custom software development company, is based in Orlando, Florida and Bengaluru, India. Established in 2016, the team offers Custom Software Development and Application Testing.
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List of the Top 15 United States REST API Development Services
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$5,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.4/40.017.4/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% API Development30% REST API70% Other -
$10,000+$150 - $199 / hr50 - 249Wilder, KY
Ability to deliver
35.4/40.017/20 Reviews10/10 Clients & Experience8.4/10 Market PresenceService focus
10% API Development70% REST API90% Other -
$10,000+$150 - $199 / hr10 - 49Webster Groves, MO
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% API Development25% REST API90% Other -
$10,000+$50 - $99 / hr50 - 249Fairfield, CT
Ability to deliver
34.1/40.016.4/20 Reviews9.2/10 Clients & Experience8.5/10 Market PresenceService focus
10% API Development80% REST API90% Other -
$10,000+$150 - $199 / hr10 - 49Irvine, CA
Ability to deliver
36.1/40.016.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
10% API Development25% REST API90% Other -
UndisclosedUndisclosed10 - 49Draper, UT
Ability to deliver
36.5/40.017.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% API Development20% REST API90% Other -
$5,000+$25 - $49 / hr10 - 49Sheridan, WY
Ability to deliver
32.7/40.017.2/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
10% API Development50% REST API90% Other -
$25,000+$100 - $149 / hr10 - 49Oakbrook Terrace, IL
Ability to deliver
31.8/40.016.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
15% API Development80% REST API85% Other -
$10,000+$200 - $300 / hr10 - 49Miami, FL
Ability to deliver
32.1/40.016.2/20 Reviews9.7/10 Clients & Experience6.2/10 Market PresenceService focus
25% API Development35% REST API75% Other -
$25,000+$100 - $149 / hr10 - 49Raleigh, NC
Ability to deliver
30.2/40.016.2/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
25% API Development50% REST API75% Other -
$25,000+$150 - $199 / hr50 - 249Los Angeles, CA
Ability to deliver
33.2/40.016.8/20 Reviews9.6/10 Clients & Experience6.8/10 Market PresenceService focus
10% API Development25% REST API90% Other -
$5,000+$100 - $149 / hr10 - 49Houston, TX
Ability to deliver
33/40.016.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% API Development25% REST API85% Other -
$5,000+$25 - $49 / hr50 - 249Davie, FL
Ability to deliver
32.4/40.017.6/20 Reviews9.6/10 Clients & Experience5.2/10 Market PresenceService focus
10% API Development25% REST API90% Other -
$5,000+$25 - $49 / hr10 - 49New York, NY
Ability to deliver
30.3/40.016.4/20 Reviews9.9/10 Clients & Experience4/10 Market PresenceService focus
10% API Development80% REST API90% Other -
$50,000+$200 - $300 / hr10 - 49San Diego, CA
Ability to deliver
28.6/40.014.6/20 Reviews8.4/10 Clients & Experience5.6/10 Market PresenceService focus
20% API Development50% REST API80% Other -
$10,000+$25 - $49 / hr50 - 249Ann Arbor, MI
Ability to deliver
27.8/40.016.8/20 Reviews5.7/10 Clients & Experience5.3/10 Market PresenceService focus
10% API Development50% REST API90% Other -
$5,000+$25 - $49 / hr10 - 49Chicago, IL
Ability to deliver
32.8/40.016.4/20 Reviews9.8/10 Clients & Experience6.6/10 Market PresenceService focus
10% API Development15% REST API90% Other -
$1,000+$50 - $99 / hr10 - 49Provo, UT
Ability to deliver
32.2/40.016.2/20 Reviews8.1/10 Clients & Experience7.9/10 Market PresenceService focus
10% API Development15% REST API90% Other -
$10,000+$25 - $49 / hr50 - 249Parker, CO
Ability to deliver
28.3/40.016.2/20 Reviews6.9/10 Clients & Experience5.2/10 Market PresenceService focus
10% API Development35% REST API90% Other -
$10,000+$150 - $199 / hr2 - 9Alexandria, VA
Ability to deliver
28/40.016.2/20 Reviews7.2/10 Clients & Experience4.6/10 Market PresenceService focus
15% API Development70% REST API85% Other -
$5,000+$150 - $199 / hr10 - 49Salt Lake City, UT
Ability to deliver
27.5/40.016.4/20 Reviews6.2/10 Clients & Experience4.9/10 Market PresenceService focus
10% API Development60% REST API90% Other -
$10,000+$150 - $199 / hr10 - 49Houston, TX
Ability to deliver
29.5/40.016.2/20 Reviews5.8/10 Clients & Experience7.5/10 Market PresenceService focus
15% API Development20% REST API85% Other -
$5,000+$150 - $199 / hr10 - 49Jacksonville, FL
Ability to deliver
28.8/40.016.4/20 Reviews6.7/10 Clients & Experience5.7/10 Market PresenceService focus
10% API Development30% REST API90% Other -
$50,000+$50 - $99 / hr2 - 9San Francisco, CA
Ability to deliver
27.3/40.016.4/20 Reviews5/10 Clients & Experience5.9/10 Market PresenceService focus
10% API Development50% REST API90% Other -
$10,000+$150 - $199 / hr2 - 9Pasadena, CA
Ability to deliver
26/40.016.6/20 Reviews4.2/10 Clients & Experience5.2/10 Market PresenceService focus
20% API Development80% REST API80% Other -
$50,000+$150 - $199 / hr10 - 49Broomfield, CO
Ability to deliver
23.9/40.016.6/20 Reviews2.2/10 Clients & Experience5.2/10 Market PresenceService focus
20% API Development100% REST API80% Other -
$25,000+$150 - $199 / hr10 - 49Germantown, TN
Ability to deliver
24.8/40.017.6/20 Reviews0/10 Clients & Experience7.2/10 Market PresenceService focus
10% API Development80% REST API90% Other -
$10,000+$100 - $149 / hr2 - 9Denver, CO
Ability to deliver
24.8/40.016.2/20 Reviews4/10 Clients & Experience4.6/10 Market PresenceService focus
10% API Development50% REST API90% Other -
$50,000+$25 - $49 / hr250 - 999Durham, NC
Ability to deliver
21.7/40.016.8/20 Reviews0/10 Clients & Experience4.9/10 Market PresenceService focus
10% API Development45% REST API90% Other -
$5,000+$50 - $99 / hr50 - 249Edison, NJ
Ability to deliver
23.2/40.013.6/20 Reviews4/10 Clients & Experience5.6/10 Market PresenceService focus
10% API Development40% REST API90% Other
United States REST API Development FAQs
Local REST API teams provide real-time collaboration across U.S. time zones, familiarity with American compliance standards (HIPAA, SOC 2, CCPA), and easier on-site workshops. In addition, these dedicated development agencies also tend to have direct experience with widely used U.S. cloud platforms—AWS, Azure, Google Cloud—streamlining deployment and maintenance.
American developers build APIs for virtually every sector, but common verticals include:
• Fintech and banking (Plaid, Stripe integrations)
• Healthcare and healthtech (FHIR, HL7 compliance)
• E-commerce and retail logistics
• Media and entertainment streaming services
• IoT and smart-device ecosystems
- Define your project’s specific requirements and goals—i.e., public vs. private API, expected traffic, compliance needs.
- Review case studies with similar scale and tech stack.
- Ask about automated testing, versioning strategy, and documentation standards.
- Check Clutch reviews for communication, timeliness, and post-launch support.
- Short-list 3–5 firms and request detailed technical proposals before committing.
Navigating the market can be tough, especially considering the number of options out there. Explore Clutch’s directories to find trusted firms and review their profiles to find their case studies and client ratings.
- No clear approach to security (OWASP top 10, JWT, OAuth 2.0).
- Reluctance to provide sample documentation or testing coverage.
- Overly rigid estimates without discovery sessions.
- Limited experience with your chosen cloud environment.
- Poor client references or lack of long-term maintenance offerings.
Even if some of these red flags feel inconsequential at first, ignoring them can only open the door for future mishaps and headaches. Be vigilant and avoid these warning signs early.
According to the latest pricing data collected by Clutch, most U.S. API specialists charge $100 – $200 per hour for their expertise. Typical project ranges:
- Small integrations or refactors: $10,000 – $25,000
- Mid-sized greenfield APIs: $40,000 – $80,000
- Enterprise, high-availability microservices: $100,000+
Prices vary by region (coastal cities trend higher) and by the complexity of security, data governance, and documentation requirements.