{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/united-states-postal-service/refs/heads/main/json-structure/domestic-prices-extra-service-rate-request-structure.json", "name": "ExtraServiceRateRequest", "description": "Request parameters for extra service rate search.", "properties": { "originZIPCode": { "description": "5-digit origin ZIP Code.", "example": "20212", "type": "string" }, "destinationZIPCode": { "description": "5-digit destination ZIP Code.", "example": "90210", "type": "string" }, "extraServiceCode": { "description": "Code identifying the extra service.", "example": "955", "type": "string" }, "mailClass": { "description": "USPS mail class.", "example": "PRIORITY_MAIL", "type": "string" }, "weight": { "description": "Package weight in pounds.", "example": 1.5, "type": "double" } }, "required": [ "extraServiceCode", "mailClass" ], "type": "object" }