# Add payment for an outgoing invoice

Required scopes: payments:write

Endpoint: POST /payments/outgoing-invoice
Version: v1
Security: http, oauth2

## Request fields (application/json):

  - `type` (string, required)
    Enum: "in", "out"

  - `payment_account_id` (string, required)

  - `reference` (string, required)

  - `date_of_payment` (string, required)

  - `customer_name` (string)

  - `iban` (string)

  - `bic` (string)

  - `bookings` (array, required)

  - `bookings.outgoing_invoice_id` (string, required)
    Invoice needs to be booked

  - `bookings.value` (number, required)

## Response 200 fields (application/json):

  - `id` (string, required)

  - `type` (string, required)

  - `date_of_payment` (string,null, required)

  - `reference` (string, required)

  - `iban` (string,null, required)

  - `bic` (string,null, required)

  - `value` (number, required)

  - `payment_account` (object, required)

  - `payment_account.is_default` (boolean, required)

  - `payment_account.title` (string, required)

  - `payment_account.organization` (string,null, required)

  - `payment_account.identifier` (string,null, required)

  - `payment_account.owner` (any, required)

  - `payment_account.updated_at` (string,null, required)

  - `payment_account.created_at` (string, required)

  - `payment_account.deleted_at` (string,null, required)

  - `bookings` (array, required)

  - `bookings.payment_type` (string, required)

  - `bookings.outgoing_invoice_id` (string,null, required)

## Response 401 fields (application/json):

  - `message` (string, required)
    Error overview.

## Response 422 fields (application/json):

  - `message` (string, required)
    Errors overview.

  - `errors` (object, required)
    A detailed description of each field that failed validation.

## Response 500 fields (application/json):

  - `message` (string, required)
    Error overview.
    Example: "Payment could not be saved"