OAuth 2.0 client_credentials grant via Keycloak service account.
Clients are provisioned per IntegrationOrganization in the
nt24-idp realm.
Client-generated unique key (UUID recommended) for this write operation.
Identical key + identical body within 24h returns the cached response.
Identical key + different body returns 422.
1 - 255ETag value from a previous response, used for optimistic concurrency.
Mismatch returns 409 with the current resource.
UUID of the seller trade partner (must be in caller's authorized list).
Updated
PRELIMINARY, FINAL DRAFT, SUBMITTED, VALID, INVALID