# General - How To - Recipes

Here are several pointers to other places in the docs, for general or frequent questions.

## Filter Data - Security

To ensure that you don't return more data than you should, read the docs for [Tutorial - Response Model - Return Type](/guides/tutorial-user-guide-response-model).

## Optimize Response Performance - Response Model - Return Type

To optimize performance when returning JSON data, use a return type or response model, that way Pydantic will handle the serialization to JSON on the Rust side, without going through Python. Read more in the docs for [Tutorial - Response Model - Return Type](/guides/tutorial-user-guide-response-model).

## Documentation Tags - OpenAPI

To add tags to your _path operations_, and group them in the docs UI, read the docs for [Tutorial - Path Operation Configurations - Tags](/guides/tutorial-user-guide-path-operation-configuration#tags).

## Documentation Summary and Description - OpenAPI

To add a summary and description to your _path operations_, and show them in the docs UI, read the docs for [Tutorial - Path Operation Configurations - Summary and Description](/guides/tutorial-user-guide-path-operation-configuration#summary-and-description).

## Documentation Response description - OpenAPI

To define the description of the response, shown in the docs UI, read the docs for [Tutorial - Path Operation Configurations - Response description](/guides/tutorial-user-guide-path-operation-configuration#response-description).

## Documentation Deprecate a _Path Operation_ - OpenAPI

To deprecate a _path operation_, and show it in the docs UI, read the docs for [Tutorial - Path Operation Configurations - Deprecation](/guides/tutorial-user-guide-path-operation-configuration#deprecate-a-path-operation).

## Convert any Data to JSON-compatible

To convert any data to JSON-compatible, read the docs for [Tutorial - JSON Compatible Encoder](/guides/tutorial-user-guide-encoder).

## OpenAPI Metadata - Docs

To add metadata to your OpenAPI schema, including a license, version, contact, etc, read the docs for [Tutorial - Metadata and Docs URLs](/guides/tutorial-user-guide-metadata).

## OpenAPI Custom URL

To customize the OpenAPI URL (or remove it), read the docs for [Tutorial - Metadata and Docs URLs](/guides/tutorial-user-guide-metadata#openapi-url).

## OpenAPI Docs URLs

To update the URLs used for the automatically generated docs user interfaces, read the docs for [Tutorial - Metadata and Docs URLs](/guides/tutorial-user-guide-metadata#docs-urls).

## Related pages

- [About](./about-index.md)
- [Advanced User Guide](./advanced-user-guide-index.md)
- [Deployment](./deployment-index.md)
- [FastAPI](./fastapi-index.md)
- [FastAPI Docs](../index.md)
- [Features](./features-index.md)
- [How To - Recipes](./how-to-recipes-index.md)
- [Learn](./learn-index.md)
- [More](./more-index.md)
- [OpenAPI](./openapi-index.md)

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