Explore API definitions and generate request code

Paste the definition, select an endpoint and enter sample parameters. Review the generated code before running it in your own API client.

Runs locally in your browser
API definition

Paste an OpenAPI 3.x or Swagger 2.0 document in JSON or YAML. Nothing is uploaded or fetched by this tool.

Available operations
Analyze a definition to browse its endpoints.
Request builder

Choose an endpoint above to create its path, query, header, and body fields.

Select an endpoint to generate a cURL command.
Select an endpoint to generate Fetch code.

Explore an API specification without sending it anywhere

OpenAPI Explorer reads local JSON or YAML, surfaces endpoints and required inputs, and creates request snippets you can adjust before using in your own API client. It deliberately does not send requests, tokens, or specifications to another service.

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