{
  "summary": "Send a letter notification",
  "description": "Example request and response for sending a physical letter via the GOV.UK Notify API.",
  "request": {
    "method": "POST",
    "url": "https://api.notifications.service.gov.uk/v2/notifications/letter",
    "headers": {
      "Authorization": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
      "Content-Type": "application/json"
    },
    "body": {
      "template_id": "c3d4e5f6-a7b8-9012-cdef-234567890abc",
      "personalisation": {
        "address_line_1": "The Occupier",
        "address_line_2": "123 High Street",
        "address_line_3": "London",
        "postcode": "SW1A 1AA",
        "name": "The Occupier",
        "reference_number": "LC-2024-005678",
        "expiry_date": "31 March 2025"
      },
      "reference": "licence-renewal-005678"
    }
  },
  "response": {
    "status": 201,
    "headers": {
      "Content-Type": "application/json"
    },
    "body": {
      "id": "d09d4c4e-f5a6-7b89-0123-ef456789abcd",
      "reference": "licence-renewal-005678",
      "content": {
        "body": "The Occupier\n123 High Street\nLondon\nSW1A 1AA\n\nDear The Occupier,\n\nYour licence (reference: LC-2024-005678) is due to expire on 31 March 2025.\n\nPlease renew it at your earliest convenience.\n\nGOV.UK Service Team",
        "subject": "Licence renewal notice"
      },
      "uri": "https://api.notifications.service.gov.uk/v2/notifications/d09d4c4e-f5a6-7b89-0123-ef456789abcd",
      "template": {
        "id": "c3d4e5f6-a7b8-9012-cdef-234567890abc",
        "version": 2,
        "uri": "https://api.notifications.service.gov.uk/v2/template/c3d4e5f6-a7b8-9012-cdef-234567890abc/version/2"
      },
      "scheduled_for": null
    }
  }
}