Alternatives to Swagger UI
Renders an OpenAPI description as interactive, testable documentation. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Swagger UI
Renders an OpenAPI description as interactive, testable documentation.
Replacements
Listings that take over the same core job as Swagger UI.
Stoplight
A web platform for designing OpenAPI descriptions, generating API documentation and running mock servers.
Stoplight adds hosted documentation, a visual OpenAPI editor and mock servers, but it is a closed source service that requires an account.
Similar software
Related functionality, not a direct replacement.
Postman
The most widely used API client, for sending HTTP requests, organising them into collections and sharing them with a team.
Insomnia
An API client for REST, GraphQL and gRPC that can keep everything local or sync through Git instead of a cloud.
Beeceptor
A web service for creating mock API servers and inspecting incoming webhook requests in real time.
Mockbin
A free web tool that creates mock API endpoints with fixed responses and logs requests to them.
Hoppscotch
A fast API client that runs in a browser tab, with a self-hostable workspace if you want one.
Bruno
An API client that saves collections as plain files in a folder, so Git handles the sharing instead of a cloud account.