# Set default IBAN to receive and send money

Sets which IBAN should be the default for the customer to receive money on and send money from. The IBAN must already exist for this customer.

Endpoint: POST /address/{customerId}/default-iban
Version: 1.0
Security: api-key

## Path parameters:

  - `customerId` (string, required)
    Customer ID (UUID)
    Example: "550e8400-e29b-41d4-a716-446655440000"

## Request fields (application/json):

  - `iban` (string, required)
    IBAN to set as default
    Example: "DE89370400440532013000"

## Response 200 fields (application/json):

  - `status` (number)
    Example: 200

  - `message` (string)
    Example: "Default IBAN updated"


## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields