> ## Documentation index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Search it with GET https://upstash.com/docs/search?q=<query>.
> Use these to discover all available pages before exploring further.

# List Namespaces

> Lists the names of the namespaces of an index.

`GET https://{endpoint}/list-namespaces`

## Request

This endpoint doesn't require any additional data.

## Response

<ResponseField name="namespaces" type="string[]" required>
  Array of namespace names.

  <Note>Every index has at least one namespace called default namespace, whose name is the empty string `""`.</Note>
</ResponseField>