--- title: Redoc quickstart guide --- # Redoc quickstart guide To render your OpenAPI definition using Redoc, use the following HTML code sample and replace the `spec-url` attribute with the URL or local file address to your definition. ```html Redoc ``` :::attention Redoc requires an HTTP server to run locally Loading local OpenAPI definitions is impossible without running a web server because of issues with [same-origin policy](https://developer.mozilla.org/en-US/docs/Web/Security/Same-origin_policy) and other security reasons. Refer to [Running Redoc locally](./deployment/intro.md#how-to-run-redoc-locally) for more information. ::: For a more detailed explanation with step-by-step instructions and additional options for using Redoc, refer to the [Redoc deployment guide](./deployment/intro.md).