{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/united-states-postal-service/refs/heads/main/json-structure/tracking-multiple-tracking-request-structure.json", "name": "MultipleTrackingRequest", "description": "Request body for multiple package tracking.", "properties": { "trackingNumbers": { "description": "List of USPS tracking numbers to look up (max 10).", "items": { "type": "string" }, "example": [ "9400111899223397910390", "9400111899223397910407" ], "type": "array" } }, "required": [ "trackingNumbers" ], "type": "object" }