# Add or Update Application Purchase

PUT /partner/v2/shops/:shop_uuid/applications/:application_uuid/purchase/:purchase_uuid

If the application already includes a purchase, this request updates its details. If there is no purchase in the application, the request creates a purchase with the details indicated in the body.

Endpoint: PUT /partner/v2/shops/{shop_uuid}/applications/{application_uuid}/purchase/{purchase_uuid}
Security: bearerAuth

## Path parameters:

  - `shop_uuid` (string, required)
    The unique identifier of the shop.
    Example: "38571c75-2590-4c81-8252-531613c96363"

  - `application_uuid` (string, required)
    The unique identifier of a particular credit application.
    Example: "471e6282-3384-412b-af7b-646eb8f04391"

  - `purchase_uuid` (string, required)
    The unique identifier of a specific purchase within a credit application.
    Example: 1234

## Request fields (application/json):

  - `purchase` (object)

  - `purchase.purchase_reference` (string)
    The unique identifier of a shopping cart or order at the partner side.

  - `purchase.description` (string)
    Textual description of the order or shopping cart, that is meaningful for the customer.

  - `purchase.additional_details` (object)

  - `purchase.additional_details.description` (string)
    Any additional details about the order that are not covered with predefined parameters.

## Response 200 fields (application/json):

  - `purchase` (object)

  - `purchase.uuid` (string)
    The unique identifier of the purchase.

## Response 401 fields (application/json):

  - `message` (string)
    Unauthorized
    Example: "unauthorized"

## Response 403 fields (application/json):

  - `message` (string)
    Unauthorized access
    Example: "User is not authorized to access this resource with an explicit deny"

## Response 404 fields (application/json):

  - `message` (string)
    Not Found
    Example: "application_not_found"

## Response 500 fields (application/json):

  - `message` (string)
    Internal server error
    Example: "internal_server_error"