Stoplight is an online platform that helps developers build, test, and improve their web APIs. It enables all stakeholders working with APIs to be more productive.

Stoplight’s mission is to make any stakeholder working with an API more productive.

Stoplight was founded in 2015 by Marc MacLeod. The company is headquartered in Austin, Texas.


Stoplight promotes a design-first approach. Developing good design-first practices will minimize future cost, speed up your time to market, and lead to more consistent, higher quality APIs. Its visual designer makes it easy for anybody in your organization to model and document APIs, no matter the complexity.


Stoplight's Studio, which turns you into API design superhero. Stoplight Studio decreases the learning curve so you don’t need to be an OpenAPI expert to create first-class API designs. The company works with 500+ companies including EA, Spotify, Sendgrid, and many others.


Stoplight is backed by Next Coast Ventures and Bill Wood Ventures. The company raised $6M in a Series A financing on Jan 30, 2020. This brings Stoplight's total funding to $10M to date.



  • Year founded: 2015
  • Funding Info: $10M over 2 Rounds (Latest Funding Type: Series A)
  • Yearly Revenue: NA
  • Employee Size: 11-50
  • Business Valuation: NA
  • City/Town: Austin
  • State: Texas
  • Country: United States
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