openapi: 3.1.0 info: title: Amazon Selling Partner API (SP-API) Authentication Shipping API version: 1.0.0 description: 'Modern REST API enabling Amazon sellers, vendors, and third-party developers to programmatically access Seller Central data and operations. Coverage includes catalog management, orders, inventory, pricing, fulfillment, reports, feeds, finances, notifications, and tokens. Authentication uses Login with Amazon (LWA) OAuth 2.0 access tokens (`x-amz-access-token`) and optional Restricted Data Tokens for PII. SP-API replaces the legacy Amazon MWS. ' contact: name: Amazon Selling Partner API url: https://developer-docs.amazon.com/sp-api servers: - url: https://sellingpartnerapi-na.amazon.com description: North America - url: https://sellingpartnerapi-eu.amazon.com description: Europe - url: https://sellingpartnerapi-fe.amazon.com description: Far East security: - LwaBearer: [] tags: - name: Shipping paths: /shipping/v2/shipments: post: tags: - Shipping summary: Purchase a shipment operationId: purchaseShipment responses: '200': description: Shipment. components: securitySchemes: LwaBearer: type: apiKey in: header name: x-amz-access-token description: Login with Amazon (LWA) OAuth 2.0 access token.