United States Postal Service · Schema
Cancellation Request
Cancellation Request details.
GovernmentPostal ServiceShippingLogisticsAddress ValidationPackage Tracking
Properties
| Name | Type | Description |
|---|---|---|
| consigneeAppointmentID | string | FAST appointment ID. |
| shipperAppointmentRequestID | string | Mailer assigned ID. |
| CRID | string | The CRID of the appointment scheduler. |
| systemID | string | Identifies the submitting application. |
| destinationEntry | string | Dropship is YES. Origin Entry is NO. |
| cancelReasonCode | string | The reason the appointment was cancelled. Only set when the appointment is cancelled. - `A` - Appointment made in error - `D` - Delivery appointment Cancelled per request of consignee - `E` - Product |
| cancelComments | string | Comments the user enters upon appointment cancellation |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/usps/json-schema/usps-cancellation-request-schema.json",
"title": "Cancellation Request",
"description": "Cancellation Request details.",
"x-generated": "2026-11-11",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/usps-appointments-openapi.yml#/components/schemas/CancellationRequest",
"type": "object",
"required": [
"consigneeAppointmentID",
"shipperAppointmentRequestID",
"CRID",
"destinationEntry",
"cancelReasonCode",
"cancelComments"
],
"properties": {
"consigneeAppointmentID": {
"pattern": "^[A-Za-z0-9]{1,9}$",
"type": "string",
"description": "FAST appointment ID.",
"maxLength": 9
},
"shipperAppointmentRequestID": {
"pattern": "^[A-Za-z0-9-]{1,12}$",
"type": "string",
"description": "Mailer assigned ID.",
"maxLength": 12
},
"CRID": {
"pattern": "^[0-9]{2,18}$",
"type": "string",
"description": "The CRID of the appointment scheduler.",
"minLength": 2,
"maxLength": 18
},
"systemID": {
"pattern": "^[A-Za-z0-9]{1,30}$",
"type": "string",
"description": "Identifies the submitting application.",
"maxLength": 30,
"default": "FastAPI"
},
"destinationEntry": {
"description": "Dropship is YES. Origin Entry is NO.",
"type": "string",
"enum": [
"YES",
"NO"
]
},
"cancelReasonCode": {
"description": "The reason the appointment was cancelled. Only set when the appointment is cancelled.\n\n- `A` - Appointment made in error\n- `D` - Delivery appointment Cancelled per request of consignee\n- `E` - Product combined into another existing appointment\n- `M` - Major change in expected delivery window\n- `P` - Product not available\n",
"type": "string",
"enum": [
"A",
"D",
"E",
"M",
"P"
]
},
"cancelComments": {
"description": "Comments the user enters upon appointment cancellation",
"type": "string",
"minLength": 1,
"maxLength": 255
}
}
}
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