Stoplight

Acquired

Stoplight is a collaborative API design platform that unifies design, documentation, and development in a single workflow. The platform provides a visual editor for creating OpenAPI descriptions and JSON Schemas, with automatic generation of interactive documentation and hosted mock servers. It includes open-source tools like Spectral for API linting and Prism for API mocking, and is trusted by companies such as Calendly, PagerDuty, and Schneider Electric.

Traction 4/10

Austin, United States · HQ

Founded 2015

Developer Tools
Software Only

Updated 6 days ago

Funding

Funding not disclosed

Funding rounds are not available yet.

Founders

Founder details are not available yet.

Product

Problem

Modern digital experiences depend on well-designed APIs, yet many organizations struggle with inconsistent API standards, disorganized development efforts, and poor documentation. These issues lead to delays, increased risk, and lower return on investment across API programs.

Solution

Stoplight provides a collaborative API design platform that unifies design, documentation, and development in a single workflow. The platform offers an intuitive visual editor for creating and prototyping OpenAPI descriptions and JSON Schemas, with world-class documentation automatically generated from those designs. Teams collaborate on API designs in a central source of truth built on Git, with tracked comments and version control. The platform also includes style guides and reusable components to enforce consistency, plus hosted mock servers that let frontend and backend teams develop in parallel. Open-source tools like Spectral for linting and Prism for API mocking extend the platform's capabilities.

Target Audience

Primary users are API developers, program leaders, and technical executives at organizations that build and manage APIs at scale, from individual developers to enterprise teams managing hundreds of APIs.

Features

Visual editor for creating, prototyping, and sharing OpenAPI descriptions and JSON Schemas
Automatic generation of interactive API documentation with editable markdown
Central repository for all API design assets with Git-based version control and tracked comments
Built-in style guides and reusable component library to enforce API standards and consistency
Hosted mock servers generated from API descriptions for parallel frontend and backend development
Open-source components including Spectral (API linting) and Prism (API mocking)
Enterprise features for scaling across teams, including flexible permissions and company-wide API visibility