Stannp · Schema

Mailpiece

A single dispatched physical mail item (postcard or letter).

Direct MailPostcardsLettersPrintPhysical MailMarketing AutomationCampaignsAddress VerificationSMSWebhookMailing ListsFulfillment

Properties

Name Type Description
id integer Unique mailpiece identifier
pdf string URL to the proof or production PDF
created string Creation timestamp
format string Mail piece format or size (e.g. 4x6, US-LETTER)
cost string Per-item cost as a decimal string
status string Current mailpiece status
tracking_reference string Carrier tracking reference number
dispatched string Timestamp when the item was dispatched
View JSON Schema on GitHub

JSON Schema

mailpiece.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/stannp/main/json-schema/mailpiece.json",
  "title": "Mailpiece",
  "description": "A single dispatched physical mail item (postcard or letter).",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer",
      "description": "Unique mailpiece identifier"
    },
    "pdf": {
      "type": "string",
      "format": "uri",
      "description": "URL to the proof or production PDF"
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Creation timestamp"
    },
    "format": {
      "type": "string",
      "description": "Mail piece format or size (e.g. 4x6, US-LETTER)"
    },
    "cost": {
      "type": "string",
      "description": "Per-item cost as a decimal string",
      "examples": ["0.99", "1.49"]
    },
    "status": {
      "type": "string",
      "enum": [
        "created",
        "printing",
        "dispatched",
        "local_delivery",
        "delivered",
        "returned",
        "cancelled"
      ],
      "description": "Current mailpiece status"
    },
    "tracking_reference": {
      "type": "string",
      "description": "Carrier tracking reference number"
    },
    "dispatched": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp when the item was dispatched"
    }
  },
  "examples": [
    {
      "id": 98765,
      "pdf": "https://api-us1.stannp.com/v1/postcards/proof/98765.pdf",
      "created": "2024-04-10T14:30:00Z",
      "format": "4x6",
      "cost": "0.99",
      "status": "dispatched",
      "tracking_reference": "9400111899223387624110",
      "dispatched": "2024-04-12T08:00:00Z"
    }
  ]
}

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