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
201 Companies
List of the Top United States REST API Development Services
Sponsored
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UndisclosedUndisclosed250 - 999Orlando, FL
Services provided
20% API Development40% Application Testing40% Custom Software DevelopmentFocus Areas
100% REST APISimplify3X, 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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Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
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
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% API Development30% REST API70% Other -
$10,000+$150 - $199 / hr10 - 49Webster Groves, MO
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 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 - 49Wilder, KY
Ability to deliver
34.6/40.016.2/20 Reviews10/10 Clients & Experience8.4/10 Market PresenceService focus
15% API Development70% REST API85% 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 -
$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 -
UndisclosedUndisclosed10 - 49Draper, UT
Ability to deliver
35.8/40.016.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% API Development20% 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
33.2/40.016.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
15% API Development25% REST API85% 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 -
$5,000+$25 - $49 / hr10 - 49Chicago, IL
Ability to deliver
32.5/40.016.4/20 Reviews9.8/10 Clients & Experience6.3/10 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 -
$5,000+$150 - $199 / hr10 - 49Jacksonville, FL
Ability to deliver
29/40.016.6/20 Reviews6.7/10 Clients & Experience5.7/10 Market PresenceService focus
10% API Development30% 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 -
$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
24.5/40.017.2/20 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
25.2/40.018/20 Reviews0/10 Clients & Experience7.2/10 Market PresenceService focus
10% API Development80% REST API90% Other -
$50,000+$25 - $49 / hr250 - 999Durham, NC
Ability to deliver
22.4/40.016.8/20 Reviews0/10 Clients & Experience5.6/10 Market PresenceService focus
10% API Development45% REST API90% Other -
$10,000+$100 - $149 / hr2 - 9Denver, CO
Ability to deliver
25/40.016.4/20 Reviews4/10 Clients & Experience4.6/10 Market PresenceService focus
10% API Development50% 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 -
$50,000+$50 - $99 / hr10 - 49New York, NY
Ability to deliver
22.9/40.015.8/20 Reviews2/10 Clients & Experience5.2/10 Market PresenceService focus
10% API Development70% REST API90% Other -
$25,000+$150 - $199 / hr10 - 49Columbus, OH
Ability to deliver
22.1/40.016.8/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
10% API Development60% 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.
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