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Thoroughly test your webhook integration to catch issues before they affect users.

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Test in Development

Use the Smartcar Dashboard to trigger test webhook deliveries.
1

Set up local tunnel

Use ngrok or similar to expose your local server:
ngrok http 3000
This creates a public HTTPS URL that forwards to your local development server.
2

Configure webhook

In the Smartcar Dashboard, set your ngrok URL as the callback URI (e.g., https://abc123.ngrok.io/webhooks/smartcar)
3

Verify webhook

Complete the VERIFY challenge to activate the webhook
4

Trigger test events

Use the Dashboard to send test VEHICLE_STATE and VEHICLE_ERROR events to your endpoint
5

Verify handling

Check logs to confirm:
  • Signature verification works
  • Payload is queued successfully
  • Processing logic executes correctly
  • Idempotency prevents duplicates

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Next Steps

Once testing is complete, prepare for production deployment:

Monitoring

Set up production monitoring and alerts

Security

Review security best practices for production

Webhook Receiver Recipe

Deploy production-ready AWS infrastructure

Delivery Behavior

Understand production retry and timeout policies