Klarna Docs - Update merchant references

Update merchant references

Update your merchant specific reference information (your internal order ID). This call will update your reference number on an order.

You want to use your own order ID on the Klarna order.

Flow diagram depicting how the merchant references gets updated

Fig.1 Update the merchant references flow

Update one or both merchant references. To clear a reference, set its value to “” (empty string).

JSON
PATCH /ordermanagement/v1/orders/{order_id}/merchant-references
Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=
Content-Type: application/json

{
    "merchant_reference1": "15632423",
    "merchant_reference2": "special order"
}

Klarna will respond with 204 . The server has fulfilled the request or an error message

HTTP
HTTP/1.1 204 No Content