Webhooks IP pool range

Hello! What IP pool range for webhooks sent from databases on getgrist.com? In order to enable a firewall rule on a webhook receiver side.

Good question! Currently all webhook delivery from getgrist.com will appear from This should remain true for the immediate future. Longer term, we’ll try to get a document up about this and make a stronger commitment.

Separately, there is work happening to propagate a secret in a header when sending webhook payloads:

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