generated: '2026-07-20' method: derived source: openapi/packlink-openapi.yml standards: - id: oauth2 conforms: false evidence: API uses an API-key (Authorization header) scheme; no oauth2 securityScheme. - id: rfc9457-problem-details conforms: false evidence: No application/problem+json media type confirmed on error responses. - id: rest-json conforms: true evidence: JSON over HTTPS REST endpoints under /v1/. - id: webhooks conforms: true evidence: Shipment status callback registration via POST /v1/shipments/callback.