action shipengine_stop_tracking { label: "Stop Tracking a Package" description: "Unsubscribe from tracking updates for a package." provider: shipengine method: POST path: "/v1/tracking/stop" encoding: json input: { type: "object" properties: { carrier_code: { type: "string" } tracking_number: { type: "string" } } additionalProperties: false } output: { type: "string" } }