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Webhooks allow Sandbox to send real-time notifications to your application whenever specific events occur. They enable a one-way communication flow, whenever the event you’ve subscribed to is triggered, Sandbox delivers the corresponding payload directly to your endpoint. For example, if you subscribe to the tds.206-ab.done event, you will receive a webhook notification each time your 206AB job is completed.

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Configuring Webhooks

You can configure your webhook URL, subscribed events, and secret key directly on Sandbox. Once configured, Sandbox will automatically deliver event notifications to your specified endpoint.
Here’s a guide on How to Configure Webhooks.

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Validating Webhooks

If the Webhook secret is defined, it is utilized to generate a hash signature for each payload. The secret is a user-determined string chosen during the configuration of Webhook Notifications. With each request, this hash signature is passed under the x-sandbox-signature in the request header using base64 encoding that can be validated at your end by reproducing the same hash key using the HMAC-SHA256 algorithm.