---
title: "Webhooks in the Platform Model"
description: "An overview of webhook events available to Platform Merchants, covering events for both the Platform Merchant account and sub-merchant accounts, with an example delivery payload."
url: "https://docs.priv.staging.komoju-dev.tools/en/docs/platform-model/webhooks-in-the-platform-model"
source_url: "https://docs.priv.staging.komoju-dev.tools/en/docs/platform-model/webhooks-in-the-platform-model.md"
language: en
last_modified: "2026-03-26"
---

As a Platform Merchant, you can subscribe to various webhook events for better management.

To set up webhooks with KOMOJU, refer to [this guide](https://docs.priv.staging.komoju-dev.tools/en/docs/introduction/webhooks.md). Below are the events available for Platform Merchants to subscribe to:

# Events

**(1) Events triggered for the Platform Merchant account**

- The `merchant` value represents the Platform Merchant's name.

| Event | Description |
| --- | --- |
| ping | The ping event. Used for testing. |
| payment.authorized | A payment of the Platform Merchant has been authorized. |
| payment.captured | A payment of the Platform Merchant has been captured. |
| payment.updated | A payment of the Platform Merchant has been updated. |
| payment.expired | A payment of the Platform Merchant has expired. |
| payment.cancelled | A payment of the Platform Merchant has been cancelled. |
| payment.refund.created | A refund of the Platform Merchant has been created. |
| payment.refunded | A refund of the Platform Merchant has been refunded. |
| refund_request.updated | A refund request of the Platform Merchant has been updated. |
| payment.failed | A payment of the Platform Merchant has failed. |
| payment.marked.as.fraud | A payment of the Platform Merchant was marked as fraudulent. |
| settlement.created | A settlement to the Platform Merchant has been created. |

**(2) Events triggered for a sub-merchant account**

- The `merchant` value represents a sub-merchant name.

| Event | Description |
| --- | --- |
| submerchant.application.accepted | A sub-merchant's merchant application has been accepted. |
| submerchant.application.declined | A sub-merchant's merchant application has been declined. |
| submerchant.payment_method_application.accepted | A sub-merchant's payment method application has been accepted. |
| submerchant.payment_method_application.declined | A sub-merchant's payment method application has been declined. |
| submerchant.payment.authorized | A payment of a sub-merchant has been authorized. |
| submerchant.payment.captured | A payment of a sub-merchant has been captured. |
| submerchant.payment.updated | A payment of a sub-merchant has been updated. |
| submerchant.payment.expired | A payment of a sub-merchant has expired. |
| submerchant.payment.cancelled | A payment of a sub-merchant has been cancelled. |
| submerchant.payment.refund.created | A refund of a sub-merchant has been created. |
| submerchant.payment.refunded | A refund of a sub-merchant has been refunded. |
| submerchant.refund_request.updated | A refund request of a sub-merchant has been updated. |
| submerchant.payment.failed | A payment of a sub-merchant has failed. |
| submerchant.payment.marked.as.fraud | A payment of a sub-merchant was marked as fraudulent. |
| submerchant.settlement.created | A settlement to a sub-merchant has been created. |

# Example Delivery

```json
{
  "id": "6h49xdt2jmiq55ffigjz4g5da",
  "type": "submerchant.payment.updated",
  "resource": "event",
  "data": {
    "id": "7p2sohh26a30zs6jp80sla3bw",
    "resource": "payment",
    "status": "captured",
    "amount": 5000,
    "tax": 0,
    "customer": null,
    "payment_deadline": "2024-02-10T14:59:59Z",
    "payment_details": {
      "type": "credit_card",
      "email": "test@example.com",
      "brand": "visa",
      "last_four_digits": "1111",
      "month": 1,
      "year": 2025
    },
    "payment_method_fee": 0,
    "total": 5000,
    "currency": "JPY",
    "description": null,
    "captured_at": "2024-02-08T08:27:31Z",
    "external_order_num": null,
    "metadata": {},
    "created_at": "2024-02-08T08:27:31Z",
    "amount_refunded": 0,
    "locale": "ja",
    "session": null,
    "customer_family_name": null,
    "customer_given_name": null,
    "platform_details": [
      {
        "submerchant_id": "platform-test-seller",
        "amount": 3000,
        "platform_fee": 2000,
        "intermediary": false
      }
    ],
    "mcc": null,
    "statement_descriptor": null,
    "refunds": [],
    "refund_requests": []
  },
  "created_at": "2024-02-08T08:27:31Z",
  "reason": null,
  "submerchant_id": "platform-test-seller"
}

```