# handler

**Kind:** API Endpoint

**Source:** [`src/middleware/cache/index.ts`](https://github.com/honojs/hono/blob/main/src/middleware/cache/index.ts#L310)

**Part of:** [Middleware](subsystem-src-middleware)

## Endpoint

`GET /Vary`

## Relationships

- IMPORTS → `cloneRawRequest`
- IMPORTS → `sha256`