{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/conekta/main/json-schema/conekta-charge-schema.json",
  "title": "Conekta Charge",
  "description": "A single payment attempt against an order using one payment method (card, OXXO cash, SPEI bank transfer, or BNPL).",
  "type": "object",
  "required": ["payment_method", "amount"],
  "properties": {
    "id": { "type": "string", "description": "Conekta-assigned charge identifier." },
    "object": { "type": "string", "const": "charge" },
    "livemode": { "type": "boolean" },
    "order_id": { "type": "string" },
    "amount": { "type": "integer", "description": "Amount in the smallest currency unit." },
    "currency": { "type": "string" },
    "status": {
      "type": "string",
      "enum": ["pending_payment", "paid", "declined", "refunded", "partially_refunded", "expired", "canceled"]
    },
    "failure_code": { "type": "string", "description": "Conekta failure code when status is declined." },
    "failure_message": { "type": "string" },
    "reference_id": { "type": "string", "description": "OXXO or SPEI reference number where applicable." },
    "payment_method": {
      "type": "object",
      "required": ["type"],
      "properties": {
        "type": {
          "type": "string",
          "enum": ["card", "cash", "spei", "bnpl", "default"]
        },
        "name": { "type": "string" },
        "last4": { "type": "string", "description": "Last four digits for card payments." },
        "brand": { "type": "string", "description": "Card brand (visa, mastercard, amex)." },
        "bin": { "type": "string" },
        "exp_month": { "type": "string" },
        "exp_year": { "type": "string" },
        "issuer": { "type": "string" },
        "country": { "type": "string" },
        "expires_at": { "type": "integer" },
        "reference": { "type": "string", "description": "Cash voucher or SPEI CLABE reference." },
        "service_name": { "type": "string", "description": "e.g., OxxoPay, SpeiPay." },
        "store": { "type": "string" }
      }
    },
    "refunds": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "amount": { "type": "integer" },
          "reason": { "type": "string" },
          "created_at": { "type": "integer" }
        }
      }
    },
    "created_at": { "type": "integer" },
    "paid_at": { "type": "integer" }
  }
}