{
  "name": "Monnify Successful Collection Webhook",
  "description": "Sample SUCCESSFUL_TRANSACTION webhook payload posted by Monnify to a merchant's notification URL. Verify the monnify-signature header against HMAC-SHA-512(clientSecret, stringifiedBody) before trusting the payload.",
  "request": {
    "method": "POST",
    "url": "https://merchant.example.ng/webhooks/monnify",
    "headers": {
      "Content-Type": "application/json",
      "monnify-signature": "5f8b3c2d1e... (HMAC-SHA-512 hex)"
    },
    "body": {
      "eventType": "SUCCESSFUL_TRANSACTION",
      "eventData": {
        "product": { "type": "WEB_SDK", "reference": "ORD-2026-05-24-0001" },
        "transactionReference": "MNFY|20260524|001|0000123",
        "paymentReference": "ORD-2026-05-24-0001",
        "paidOn": "2026-05-24T10:18:55.000Z",
        "paymentDescription": "Order 0001 — Lagos delivery",
        "paymentSourceInformation": {
          "amountPaid": 4500.50,
          "bankCode": "058",
          "accountNumber": "******1234",
          "accountName": "ADAEZE OKAFOR"
        },
        "amountPaid": 4500.50,
        "totalPayable": 4500.50,
        "settlementAmount": 4477.50,
        "paymentStatus": "PAID",
        "paymentMethod": "ACCOUNT_TRANSFER",
        "currency": "NGN",
        "customer": {
          "name": "Adaeze Okafor",
          "email": "adaeze@example.ng"
        },
        "metaData": {
          "orderId": "ORD-2026-05-24-0001",
          "channel": "web"
        }
      }
    }
  },
  "response": {
    "status": 200,
    "body": {
      "acknowledged": true
    }
  }
}