> ## Documentation Index
> Fetch the complete documentation index at: https://upstash-vector.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# KEYS

> Returns all keys matching pattern.

<Warning>
  This command may block the DB for a long time, depending on its size. We advice against using it in production. Use [SCAN](/oss/sdks/ts/redis/commands/generic/scan) instead.
</Warning>

## Arguments

<ParamField body="match" type="string" required>
  A glob-style pattern. Use `*` to match all keys.
</ParamField>

## Response

<ResponseField type="string[]" required>
  Array of keys matching the pattern.
</ResponseField>

<RequestExample>
  ```ts Example
  const keys = await redis.keys("prefix*");
  ```

  ```ts Match All
  const keys = await redis.keys("*");
  ```
</RequestExample>