{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.com/schemas/moniepoint/monnify-webhook-schema.json",
  "title": "Monnify Webhook Notification",
  "description": "Schema for the asynchronous notifications Monnify posts to a merchant's webhook URL. Each delivery includes a monnify-signature header computed as HMAC-SHA-512(clientSecret, stringifiedBody).",
  "type": "object",
  "properties": {
    "eventType": {
      "type": "string",
      "enum": [
        "SUCCESSFUL_TRANSACTION",
        "SUCCESSFUL_DISBURSEMENT",
        "FAILED_DISBURSEMENT",
        "REVERSED_DISBURSEMENT",
        "SUCCESSFUL_REFUND",
        "FAILED_REFUND",
        "SETTLEMENT",
        "MANDATE_STATUS_UPDATE",
        "WALLET_TRANSACTION",
        "LOW_BALANCE_ALERT"
      ],
      "description": "Monnify event category. low_balance_alert was added September 12, 2025."
    },
    "eventData": {
      "type": "object",
      "description": "Event-specific payload. Shape varies by eventType; common discriminating fields include transactionReference, paymentReference, settlementReference, mandateCode, walletReference."
    }
  },
  "required": ["eventType", "eventData"]
}