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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$1,000+$50 - $99 / hr2 - 9Laguna Beach, CA
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PAK Digital is a custom software development company. They focus on Custom Software Development and E-Commerce Development and are in Laguna Beach, California.
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$5,000+$150 - $199 / hr2 - 9New York, NY
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Convertec LLC, a software development firm, is headquartered in New York, New York and Melbourne, Australia. Launched in 2023, the team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Shrewsbury, MA
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Esperia Studio is a small user experience design agency. They focus on UX/UI Design and Enterprise App Modernization and were launched in 2022.
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UndisclosedUndisclosed2 - 9Tallahassee, FL
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Genivia Inc, an API Development company, was founded in 2003. The team provides API Development and Custom Software Development.
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UndisclosedUndisclosed50 - 249Palo Alto, CA
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Launched in 2013, Data Theorem, Inc. Is an app development firm. Their team focuses on Mobile App Development and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Strasburg, VA
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Launched in 2010, BigData Dimension is a midsize business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Clarifai, Inc., an AI firm, is based in San Francisco, California. Their services include Artificial Intelligence and Content Moderation Services.
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$10,000+$50 - $99 / hr50 - 249Lubbock, TX
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Established in 2020, Hifi Devs is a custom software development company. The team offers Custom Software Development and Web Development and is headquartered in Lubbock, Texas.
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$1,000+$25 - $49 / hr50 - 249Albany, NY
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Excelstech, a midsize AI development company, is based in Albany, New York. Their services include Artificial Intelligence and Web Development.
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$10,000+$50 - $99 / hr2 - 9Bellevue, WA
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Techufy Inc is a Bellevue, Washington-based Product Design company. They provide Product Design and Custom Software Development.
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$10,000+Undisclosed2 - 9New York, NY
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Mike Builds Tech is a custom software development firm. Founded in 2018, their team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Stamford, CT
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Founded in 2020, Directus is a website development firm. The agency focuses on Web Development and API Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Dyer, IN
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See all 2 projectsCrispy Software Solutions is a software development company specializing in creating custom platforms for workforce development and remote staffing. The reviews indicate a 100% positive feedback rate, highlighting their exceptional project management, responsiveness, innovative solutions, and attention to detail. Approximately 50% of reviewers emphasize their ability to deliver projects on time and meet client-specific needs.
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$1,000+Undisclosed2 - 9Gastonia, NC
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See all 2 projectsIMANT Group is a branding and web development company that specializes in brand strategy, visual identity, and website design. Reviews for IMANT Group are overwhelmingly positive, with 100% of clients praising their attention to detail, professionalism, and effective project management. Clients highlight their dedication, quality of service, and ability to align with client visions and needs.
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UndisclosedUndisclosed10 - 49Pittsburgh, PA
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CardChamp is a Pittsburgh, Pennsylvania-based Blockchain company. Established in 2009, the team focuses on Blockchain and ERP consulting and SI.
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$1,000+$25 - $49 / hr10 - 49Sheridan, WY
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See all 1 projectsJSS Devs specializes in providing tailored solutions, including ERP implementation with comprehensive modules such as inventory management and human resources. Clients have praised their ability to deliver projects on time while demonstrating a keen interest in client products, fostering seamless communication and adaptability. Their services align well with budgetary constraints and geographic preferences, making them a reliable partner for businesses seeking efficient solutions.
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$10,000+Undisclosed2 - 9La Habra, CA
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See all 1 projectsUniversal Informatics LLC is a company specializing in API Development Services, offering expertise in Application Programming Interface Development and API Integration. With 100% positive feedback, clients praise their deep knowledge, prompt communication, and ability to deliver seamless integration solutions across various platforms. The company's values and high ratings make them a preferred choice for technology projects.
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$25,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 7 projectsDigiNeat Smart Technologies specializes in application programming and mobile app UI/UX design, providing API development services tailored to client needs. Overall, 100% of reviewers praised their excellent communication, attention to detail, and project management skills. Their design work consistently exceeded expectations, showcasing a practical yet aesthetically pleasing approach with no significant areas for improvement noted.
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$1,000+$150 - $199 / hrFreelancerAtlanta, GA
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See all 3 projectsFAI Agency is a distinguished provider of API Development Services, specializing in building and maintaining platforms with a strong emphasis on RESTful API Development and API Integration. Reviewers consistently commend their high skill level and work ethic, with 100% of feedback highlighting their timely delivery and organized project management.
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UndisclosedUndisclosed50 - 249Sweet Springs, MO
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MCH Strategic Data, a midsize CRM consulting and SI company, is located in Sweet Springs, Missouri and Overland Park, Kansas. Their services include CRM consulting and SI and Market Research.
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UndisclosedUndisclosed50 - 249San Jose, CA
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Infobahn Softworld Inc is a cloud consulting & SI company. The agency is based in Toronto, Canada and San Jose, California. Their team focuses on cloud consulting & SI and Application Testing.
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UndisclosedUndisclosed50 - 249Meridian charter Township, MI
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RICEFW Technologies Inc is a Meridian charter Township, Michigan-based data analytics company. They focus on BI & big data consulting & SI and cloud consulting & SI and were launched in 2010.
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UndisclosedUndisclosed10 - 49Pembroke Pines, FL
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Mertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49San Tan Valley, AZ
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In San Tan Valley, Arizona, Web Services Pros is an e-commerce development firm. They provide E-Commerce Development and API Development and were established in 2014.
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UndisclosedUndisclosed10 - 49Oxford, MD
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Redkik, Inc is a custom software development company founded in 2020. The team focuses on Custom Software Development and Insurance Services & Brokers and is located in Oxford, Maryland.
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UndisclosedUndisclosed10 - 49Alpharetta, GA
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Elegant Software Solutions is a custom software development firm based in Alpharetta, Georgia. Launched in 2007, the team provides Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Portland, OR
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Dymaptic is a big data company. They are based in Portland, Oregon and have small team. They offer BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Salem, OR
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Launched in 2017, Devmatics is a business intelligence company. Based in Salem, Oregon, the team offers BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Jersey City, NJ
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Application Testing company Abeyis Solution was established in 2022. The firm offers Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Vienna, VA
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K2S | Koncepts2Solutions is an Application Testing company headquartered in Vienna, Virginia. The team specializes in Application Testing and Robotics Process Automation.
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$10,000+$25 - $49 / hr50 - 249Brentwood, TN
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ChampSoft Inc. Is a midsize IT staff augmentation company located in Brentwood, Tennessee and Bengaluru, India. The team specializes in IT staff augmentation and Low/No Code Development.
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UndisclosedUndisclosed2 - 9Carlsbad, CA
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Launched in 2020, QADeputy is an Application Testing company. The team provides Application Testing and API Development.
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$5,000+$25 - $49 / hr10 - 49Surfside, FL
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See all 2 projectsArcadia Tech is a distinguished provider of API Development Services, specializing in backend support and API integration for innovative projects. Clients praise their exceptional delivery quality, with 100% positive feedback highlighting their commitment and effective project management. Notably, they excel in creating scalable and extendable API solutions, consistently meeting project timelines and fostering strong partnerships.
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Undisclosed$100 - $149 / hrFreelancerLittleton, CO
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See all 2 projectsDigital Pixel is a web development company specializing in website creation and IT support services. The company is praised for its great customer service, initiative, and timely delivery, with 100% of reviews highlighting positive experiences. Clients appreciate their good value for cost and alignment in company values, with no areas for improvement mentioned.
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$10,000+$150 - $199 / hr10 - 49Irvine, CA
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Established in 2018, Conveyance Solutions is a small Irvine, California-based ERP consulting and SI company. Their team offers ERP consulting and SI and API Development.
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Undisclosed$25 - $49 / hr10 - 49Miami, FL
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See all 2 projectsDeverr is a proficient API Development company offering comprehensive API solutions, including API-as-a-Service and backend services integration. The company receives 100% positive feedback for exceeding client expectations, blending seamlessly with existing teams, and delivering high-quality results efficiently. Reviewers consistently praise their collaboration, speed, and high standard of work.
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$1,000+$25 - $49 / hr50 - 249Ojai, CA
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See all 13 projectsMagnusMinds IT Solution LLP is a versatile technology solutions provider specializing in web development, database management, UI/UX design, and software development. Across their reviews, 100% of clients praise their responsiveness and flexibility. They are commended for their comprehensive service offerings, meeting deadlines, and exceeding expectations in project delivery and client satisfaction, with no significant areas for improvement noted by clients.
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UndisclosedUndisclosed2 - 9St. Petersburg, FL
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Camco Technologies is a CRM consulting and SI company. They were established in 2011 and offer CRM consulting and SI and ERP consulting and SI.
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UndisclosedUndisclosed2 - 9Caribou, ME
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User experience design agency Sweden Street was launched in 2018. The small team focuses on UX/UI Design and Web Development.
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UndisclosedUndisclosed2 - 9Savannah, GA
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Digital Access Security Integrated is a big data company. The Savannah, Georgia-based team focuses on BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed2 - 9Charlotte, NC
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ProductStack is a small custom software development firm established in 2008. Their services include Custom Software Development and Product Design.
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UndisclosedUndisclosed2 - 9New York, NY
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6PS Group, LLC is a New York, New York-based website development firm. Their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Plano, TX
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Premier CloudTech is a cloud consulting & SI company founded in 2017. The team offers cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed2 - 9Austin, TX
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Tenlogic is a CRM consulting and SI company. They provide CRM consulting and SI and Custom Software Development and were established in 2022. The company is headquartered in Austin, Texas.
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UndisclosedUndisclosed2 - 9Phoenix, AZ
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Kreo Solutions is a Phoenix, Arizona-based IT strategy consulting company. Launched in 2011, the team specializes in IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9New York, NY
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Conductrics INC is a small Application Testing company based in Austin, Texas and New York, New York. The team specializes in Application Testing and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Tomball, TX
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Ortus Solutions, Corp. Is a Tomball, Texas-based user experience design agency. The team specializes in UX/UI Design and Web Development.
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UndisclosedUndisclosed10 - 49San Diego, CA
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Creatable is a social media marketing agency. Located in San Diego, California, the company focuses on Social Media Marketing and Video Marketing.
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$25,000+$50 - $99 / hr2 - 9Shreveport, LA
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S-n-K Elite Development is an AI firm. They are in Shreveport, Louisiana and have small team. They provide Artificial Intelligence and Custom Software Development.
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Undisclosed< $25 / hr10 - 49Frisco, TX
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See all 2 projectsWebPatriot specializes in web and mobile app development, including Application Programming Interface Development and AWS server management, with significant experience in cloud-based ERP solutions. Reviews highlight their comprehensive project management, timely delivery, and strong team leadership, leading to substantial business growth for clients. They are praised for their dedication and ownership of projects.
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List of the Top 15 United States REST API Development Services
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$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
37.3/40.018/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% API Development50% REST API90% Other -
$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 / 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+$150 - $199 / hr50 - 249Wilder, KY
Ability to deliver
34.8/40.016.4/20 Reviews10/10 Clients & Experience8.4/10 Market PresenceService focus
10% API Development70% 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
35.7/40.016.2/20 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 -
$25,000+$100 - $149 / hr50 - 249Austin, TX
Ability to deliver
30.2/40.019/20 Reviews6/10 Clients & Experience5.2/10 Market PresenceService focus
15% API Development50% 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
33.4/40.017.2/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% API Development25% REST API85% Other -
$50,000+$50 - $99 / hr10 - 49San Francisco, CA
Ability to deliver
33.9/40.016/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
10% API Development20% 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 -
$5,000+$25 - $49 / hr50 - 249Davie, FL
Ability to deliver
32/40.017.2/20 Reviews9.6/10 Clients & Experience5.2/10 Market PresenceService focus
10% API Development25% 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
32.8/40.016.4/20 Reviews9.8/10 Clients & Experience6.6/10 Market PresenceService focus
10% API Development15% REST API90% Other -
$10,000+$25 - $49 / hr50 - 249Ann Arbor, MI
Ability to deliver
27.6/40.016.6/20 Reviews5.7/10 Clients & Experience5.3/10 Market PresenceService focus
10% API Development50% 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
27.3/40.016.2/20 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
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.