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Contractr is a contract-first API development platform for designing API contracts and generating instant mock servers. It allows users to define request and response schemas, methods, paths, and status codes in a visual editor, making it useful for teams working on API design and backend or frontend integration planning.
The app supports live mock endpoints that are created automatically when a contract is saved, removing the need for Docker, CLI setup, or manual configuration. It also includes features for sharing contracts with clients through password-protected links with expiration settings, along with auto-generated Swagger documentation for review and collaboration.
Additional capabilities include request logging and analytics, version control with breaking-change detection and rollback options, comments and @mentions for team collaboration, and exports to OpenAPI, Postman, and cURL. These features position Contractr as a tool for API mocking, contract management, and collaborative API workflow development.
Website: usecontractr.com
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