> ## Documentation Index
> Fetch the complete documentation index at: https://docs.falkordb.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# Delete database user

> Remove a database user from a deployment instance.

Deletes a database user. Applications still using those credentials fail to authenticate immediately.

<Warning>
  The [default user](/api-reference/database-users/overview#default-user) created with the instance cannot be deleted.
</Warning>

<Note>
  This endpoint uses the FalkorDB API host and bearer token authentication. See [Database users overview](/api-reference/database-users/overview).
</Note>

## Authorization

<ParamField header="Authorization" type="string" required>
  `Bearer <jwt>`, using the token issued by [Sign in](/api-reference/authentication/signin).
</ParamField>

## Path parameters

<ParamField path="instanceId" type="string" required>
  ID of the deployment instance.
</ParamField>

<ParamField path="username" type="string" required>
  Username of the database user to delete.
</ParamField>

## Query parameters

<ParamField query="subscriptionId" type="string" required>
  Subscription that owns the instance.
</ParamField>

## Response

<ResponseField name="message" type="string">
  Confirmation message.
</ResponseField>

## Errors

Returns `401 Unauthorized` when the bearer token is missing or expired.