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Webhooks in OpenXSwitch provide real-time notifications for key system events such as transfers, swap, withdrawals, and deposits across all wallet products. For example, you can receive instant updates when a withdrawal is initiated, an order is executed, or a deposit is confirmed.

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Setting Up Webhooks

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Step 1: Add Webhook URL and Secret

  1. Navigate to Accounts → Webhook on the OpenXSwitch Console.
  2. Add your webhook endpoint and secret.
  3. Select the event types you want to subscribe to (e.g., withdraw, deposit, transfer).
  4. Choose the environment mode:
    • Sandbox (default) - for development/testnet and testing
    • Live - for production/mainnet events
  5. Confirm and submit to save your webhook configuration

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Step 2: Verify Webhook Setup

To ensure your webhook integration is working correctly, you can use the OpenXSwitch Simulation API to trigger test events. This allows you to simulate real scenarios such as transaction updates or deposit confirmations and verify that your endpoint processes them correctly.

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Webhook Structure

When an event occurs, OpenXSwitch sends a JSON payload via HTTP POST to your webhook URL.

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Payload Format

{
  "requestId": "",
  "method": "deposit.accepted",
  "params": {
    ...
  }
}
👍 For details on available event types and statuses, refer to the Webhook Events Documentation: https://docs.openxswitch.com/webhook/events

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Securing Your Webhooks

To ensure webhook requests are authentic, OpenXSwitch includes an X-Webhook-Signature header with each request. This signature is generated using SHA256 and your webhook secret.
You should verify this signature before processing any incoming event.

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Verification Example

Here’s an example of how to verify the webhook signature in Node, Python and PHP: 
const crypto = require('crypto');

// Your webhook secret
const secret = 'your_webhook_secret';

// The raw body of the webhook event (as a string)
const body = '{"requestId": "","method": "deposit.accepted","params": {.....}}';

// The signature from the X-Webhook-Signature header
const signature = req.headers['x-webhook-signature'];

// Create the HMAC

const hmac = crypto.createHmac('sha256', secret);
hmac.update(body);
const digest = hmac.digest('hex');

// Compare the generated HMAC digest with the signature
if (digest === signature) {
  console.log('Webhook signature is valid.');
} else {
  console.log('Invalid webhook signature.');
}

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Webhook Retries

To ensure reliable event delivery, OpenXSwitch automatically retries failed webhook notifications when your endpoint does not acknowledge an event successfully.

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Retry Policy

  • Your webhook endpoint must return a 2xx HTTP status code to confirm successful delivery.
  • Any 4xx, 5xx, timeout, or failed response will trigger a retry.
  • Webhook deliveries are retried every 5 minutes for up to 12 hours.
  • If delivery still fails after 12 hours, the event is marked as undelivered and no further retries will occur.

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Manual Replay

If your service misses a webhook event, you can manually replay the event either from the workspace console or programmatically via the Webhook API.