generated: '2026-09-24' method: derived generator: derive-conformance.py source: openapi/ (20 document(s), 73 mutating operations) idempotency: coverage: partial header: x-amzn-idempotency-token (FBA Inventory addInventory); x-amzn-IdempotencyKey (Shipping v2 directPurchaseShipment, purchaseShipment, generateCollectionForm) mechanism: request header / body token declared in the OpenAPI evidence: Idempotency header parameters declared on 4 of 73 mutating operations in the official models (grep of openapi/ parameters, 2026-09-24). The derive script's original evidence named requestToken, which is a Shipping v2 rate-quote token in a request body, not an idempotency key. verified: derived scope: - addInventory - directPurchaseShipment - purchaseShipment - generateCollectionForm