---
title: "AnthropicCacheControlDirective"
---

Enable automatic prompt caching. When set at the top level, the system automatically applies cache breakpoints to the last cacheable block in the request. Currently supported for Anthropic Claude models.


## Fields

| Field                                                                                                | Type                                                                                                 | Required                                                                                             | Description                                                                                          | Example                                                                                              |
| ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| `ttl`                                                                                                | [Optional[components.AnthropicCacheControlTTL]](../components/anthropiccachecontrolttl.mdx)           | :heavy_minus_sign:                                                                                   | N/A                                                                                                  | 5m                                                                                                   |
| `type`                                                                                               | [components.AnthropicCacheControlDirectiveType](../components/anthropiccachecontroldirectivetype.mdx) | :heavy_check_mark:                                                                                   | N/A                                                                                                  |                                                                                                      |