Register a new endpoint to receive webhook events containing feed items. This endpoint will respond with:
Make sure to save both of these values, the secret will only be returned after creating a webhook.
If you need to register more than 1000 addresses as subscribers to your webhook, please create the webhook using this endpoint, and then use the PUT /v1/webhooks/feed/:uid endpoint to provide the addresses in chunks of 1000.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.