6 Top-Reviewed API Development Companies in California in 2024
There are currently 69 API Development firms in California listed on Clutch. We’ve collected 50 reviews of these California companies, some posted as recently as 10/10/24.
However, to help you narrow your selection, we’ve picked 6 of the best API Development providers based on top ratings, and also included a mix of smaller and larger firms to cover a range of budgets.
To make it easier for you to compare providers, we’ve summarized all 24 reviews for these 6 companies into a single paragraph. We've also identified a few keywords that capture the most common sentiments, experience, and expertise all reviewers shared in their reviews of each company.
Below, we cover top California API Development service providers including CoSpark, Rocket Code, Rank Sol, WordSphere WordPress Development Agency, WellomyTech, and Achieve Internet. At Clutch, our goal is to make it simpler for you to select one of the best API Development companies in California out there in 2024!
CoSpark
530 Technology Dr. Suite 100
Irvine, CA, United States
92618
About:
- Minimum Budget: $10,000.00
- Avg. Hourly Rate: $150 - $199
- Employees: 10 - 49
- Founded: 2009
- Quality Score: 4.9
- Schedule Score: 4.9
Services:
- Ecommerce Web Development
- Web Design
- Web Development
Key Clients:
Heggerty, Brooklyn Robot Foundry, Discovery Cube, Mikes Organic 1892 Chairs and 6 more, and CoSpark overall rating is 4.9 stars.
#1 - CoSparkLEARN MORE ABOUT COSPARK...
Reviewers Frequently Mention:
Clutch Review Summary:
CoSpark has been consistently praised for their reliable and timely services, leveraging their expertise to deliver custom solutions and upgrades. Clients have commended their clear communication, problem-solving capabilities, and responsiveness, with the team being highly responsive and trustworthy. They exhibit strong project ownership and are committed to meeting the client's business needs, ensuring a seamless and collaborative partnership.
Company Description:
Founded in 2009, and stating they have between 10 - 49 employees, CoSpark is located at 530 Technology Dr. Suite 100 , Irvine, CA 92618. They offer services for multiple industries including eCommerce and more. CoSpark offers expertise in Webflow, WordPress CMS, RPC API and other API Development capabilities. Their minimum project size is $10,000.00 and an hourly rate between $150 - $199, while maintaining an overall 4.9 star rating.
Rocket Code
415 Mission Street
San Francisco, CA, United States
94105
About:
- Minimum Budget: $10,000.00
- Avg. Hourly Rate: < $25
- Employees: 50 - 249
- Founded: 2016
- Quality Score: 4.5
- Schedule Score: 4.6
Services:
- UX Design
- Custom Software Development
- Virtual Reality Development
- Mobile App Development
- IT Staff Augmentation
- Web Development
Key Clients:
Creze, Coru, Solvo, Vexi Bankaya and 20 more, and Rocket Code overall rating is 4.8 stars.
#2 - Rocket CodeLEARN MORE ABOUT ROCKET CODE...
Reviewers Frequently Mention:
Clutch Review Summary:
Rocket Code has delivered an innovative and unique tech stack within the fintech space with seamless and timely communication. The client praises their diligent and skilled work, as well as their outstanding understanding and commitment. Rocket Code has done an excellent job with quality, delivery, and project management, using various tools for effective collaboration.
Company Description:
Founded in 2016, and stating they have between 50 - 249 employees, Rocket Code is located at 415 Mission Street, San Francisco, CA 94105. They offer services for multiple industries including eCommerce, Financial services, Medical and more. Rocket Code offers expertise in Business Intelligence Mobile App Development, Health & Wellness Mobile App Development, BlackBerry OS App Development and other API Development capabilities. Their minimum project size is $10,000.00 and an hourly rate between < $25, while maintaining an overall 4.8 star rating.
Rank Sol
1950 West Corporate Way
Anaheim, CA, United States
92801
About:
- Minimum Budget: $1,000.00
- Avg. Hourly Rate: < $25
- Employees: 50 - 249
- Founded: 2009
- Quality Score: 5
- Schedule Score: 5
Services:
- UX Design
- Branding
- Ecommerce Web Development
- Graphic Design
- IoT Development
- Mobile App Development
Key Clients:
DC Bus Charter, Twilio Services, We Jam Sales, Wifi DashCam Pro A & J Energy Management and 79 more, and Rank Sol overall rating is 5 stars.
#3 - Rank SolLEARN MORE ABOUT RANK SOL...
Reviewers Frequently Mention:
Clutch Review Summary:
Rank Sol has been praised for delivering a user-friendly and well-designed site, exceeding expectations and demonstrating a seamless workflow. The team's commitment to deadlines, transparent communication, and professionalism has contributed to their genuine dedication to client satisfaction, making them a reliable partner.
Company Description:
Founded in 2009, and stating they have between 50 - 249 employees, Rank Sol is located at 1950 West Corporate Way, Anaheim, CA 92801. They offer services for multiple industries including Advertising & marketing, Business services, Consumer products & services and more. Rank Sol offers expertise in Webflow, WordPress CMS, Kotlin and other API Development capabilities. Their minimum project size is $1,000.00 and an hourly rate between < $25, while maintaining an overall 5 star rating.
WordSphere WordPress Development Agency
5500 University Parkway
San Bernardino, CA, United States
92407
About:
- Minimum Budget: $1,000.00
- Avg. Hourly Rate: $50 - $99
- Employees: 10 - 49
- Founded: 2007
- Quality Score: 5
- Schedule Score: 5
Services:
- UX Design
- Custom Software Development
- Ecommerce Web Development
- Cybersecurity
- Application Testing
- Web Design
Key Clients:
Claire Jacobson Art and Smart Electric Homes, and WordSphere WordPress Development Agency overall rating is 5 stars.
#4 - WordSphere WordPress Development AgencyLEARN MORE ABOUT WORDSPHERE WORDPRESS DEVELOPMENT AGENCY...
Reviewers Frequently Mention:
Clutch Review Summary:
WordSphere has successfully achieved a completely digitized platform and manages engagement well, communicating closely with the firm through Slack and WhatsApp. They deliver quality work and keep the client happy.
Company Description:
Founded in 2007, and stating they have between 10 - 49 employees, WordSphere WordPress Development Agency is located at 5500 University Parkway, San Bernardino, CA 92407. They offer services for multiple industries including eCommerce, Information technology, Medical and more.. Their minimum project size is $1,000.00 and an hourly rate between $50 - $99, while maintaining an overall 5 star rating.
WellomyTech
11350 Hutton Road
Corona, CA, United States
92883
About:
- Minimum Budget: $1,000.00
- Avg. Hourly Rate: $50 - $99
- Employees: 2 - 9
- Founded: 2021
- Quality Score: 5
- Schedule Score: 4
Services:
- Custom Software Development
- Enterprise App Modernization
- AI Development
- IT Managed Services
- Generative AI
- AI Consulting
Key Clients:
All Girls Allowed and Inc., and WellomyTech overall rating is 5 stars.
#5 - WellomyTechLEARN MORE ABOUT WELLOMYTECH...
Reviewers Frequently Mention:
Clutch Review Summary:
WellomyTech has demonstrated professionalism and proactivity in successfully deploying the client's platform with subsequent major releases. The service provider's accommodating approach and responsiveness were commendable, going above and beyond to meet deadlines and client's needs.
Company Description:
Founded in 2021, and stating they have between 2 - 9 employees, WellomyTech is located at 11350 Hutton Road, Corona, CA 92883. They offer services for multiple industries including Business services, Financial services, Government and more. WellomyTech offers expertise in Release & Version Management, Codegeex, Governance & Compliance Assessments and other API Development capabilities. Their minimum project size is $1,000.00 and an hourly rate between $50 - $99, while maintaining an overall 5 star rating.
Achieve Internet
8898 Navajo Rd, Suite C #301
San Diego, CA, United States
92119
About:
- Minimum Budget: $50,000.00
- Avg. Hourly Rate: $200 - $300
- Employees: 10 - 49
- Founded: 2002
- Quality Score: 4
- Schedule Score: 3.5
Services:
- UX Design
- Custom Software Development
- Architectural Design
- Cloud Consulting
- Cybersecurity
- Mobile App Development
Key Clients:
Eversport, anthem inc, chla, dexcom grammy and 2 more, and Achieve Internet overall rating is 4.5 stars.
#6 - Achieve InternetLEARN MORE ABOUT ACHIEVE INTERNET...
Reviewers Frequently Mention:
Clutch Review Summary:
Achieve Internet efficiently produced an excellent product through collaboration with video and satellite broadcasters. The developers demonstrated great skill in agile development, solid code writing, and third-party integration.
Company Description:
Founded in 2002, and stating they have between 10 - 49 employees, Achieve Internet is located at 8898 Navajo Rd, Suite C #301, San Diego, CA 92119. They offer services for multiple industries including Automotive, Business services, Energy & natural resources and more. Achieve Internet offers expertise in Drupal, AWS Cloud Consulting & Implementation, React and other API Development capabilities. Their minimum project size is $50,000.00 and an hourly rate between $200 - $300, while maintaining an overall 4.5 star rating.