> ## 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/py/redis/commands/generic/scan) instead.
</Warning>

## Arguments

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

## Response

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

<RequestExample>
  ```py Example
  keys = redis.keys("prefix*")
  ```

  ```py Match All
  keys = redis.keys("*")
  ```
</RequestExample>
