{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/bitpay/main/json-schema/invoice.json",
  "title": "BitPay Invoice",
  "description": "A time-sensitive payment request created on the BitPay platform with a fixed price in fiat currency and cryptocurrency equivalents locked at exchange rates expiring in 15 minutes.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "BitPay invoice ID."
    },
    "url": {
      "type": "string",
      "format": "uri",
      "description": "URL to the hosted invoice checkout page."
    },
    "status": {
      "type": "string",
      "enum": ["new", "paid", "confirmed", "complete", "expired", "invalid"],
      "description": "Current status of the invoice."
    },
    "price": {
      "type": "number",
      "description": "Invoice price in the specified currency."
    },
    "currency": {
      "type": "string",
      "description": "ISO 4217 3-character currency code for the invoice.",
      "pattern": "^[A-Z]{3}$"
    },
    "orderId": {
      "type": "string",
      "description": "Merchant internal order identifier."
    },
    "invoiceTime": {
      "type": "integer",
      "description": "Invoice creation timestamp in Unix milliseconds."
    },
    "expirationTime": {
      "type": "integer",
      "description": "Invoice expiration timestamp in Unix milliseconds."
    },
    "currentTime": {
      "type": "integer",
      "description": "Current server timestamp in Unix milliseconds."
    },
    "btcPrice": {
      "type": "string",
      "description": "BTC equivalent price locked at invoice creation."
    },
    "btcDue": {
      "type": "string",
      "description": "BTC amount still due."
    },
    "btcPaid": {
      "type": "string",
      "description": "BTC amount paid."
    },
    "rate": {
      "type": "number",
      "description": "BTC/fiat exchange rate at invoice creation."
    },
    "exceptionStatus": {
      "type": "string",
      "description": "Exception status for underpaid or overpaid invoices."
    },
    "token": {
      "type": "string",
      "description": "Invoice-specific token for status checks."
    },
    "itemDesc": {
      "type": "string",
      "description": "Invoice description displayed on the checkout page."
    },
    "posData": {
      "type": "string",
      "description": "Merchant passthru variable for correlating invoices with orders."
    },
    "guid": {
      "type": "string",
      "description": "Merchant passthru GUID for order lookup."
    },
    "notificationURL": {
      "type": "string",
      "format": "uri",
      "description": "Webhook URL for invoice status notifications."
    },
    "buyer": {
      "type": "object",
      "description": "Buyer information.",
      "properties": {
        "name": { "type": "string" },
        "address1": { "type": "string" },
        "address2": { "type": "string" },
        "city": { "type": "string" },
        "state": { "type": "string" },
        "zip": { "type": "string" },
        "country": { "type": "string" },
        "email": { "type": "string", "format": "email" },
        "phone": { "type": "string" },
        "notify": { "type": "boolean" }
      }
    }
  },
  "required": ["id", "url", "status", "price", "currency"],
  "examples": [
    {
      "id": "Hpqc63wvE1ZjzeeH4kEycF",
      "url": "https://bitpay.com/invoice?id=Hpqc63wvE1ZjzeeH4kEycF",
      "status": "new",
      "price": 10.00,
      "currency": "USD",
      "orderId": "order-12345",
      "invoiceTime": 1600000000000,
      "expirationTime": 1600000900000,
      "currentTime": 1600000000000,
      "btcPrice": "0.000249",
      "btcDue": "0.000249",
      "btcPaid": "0",
      "rate": 40160.78
    }
  ]
}