# Delete a customer by External Key

Deletes a specific customer associated with the authenticated account using their External Key.

Endpoint: DELETE /customers/{externalKey}
Version: 1.0

## Path parameters:

  - `externalKey` (string, required)
    External Key of the customer to delete
    Example: "cus_c93f7e842b89b9f7cad17918"

## Header parameters:

  - `cc-api-key` (string, required)
    Chaching API Key


## Response 400 fields