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postWebhookexperiment.started
Headers
webhook-idstring required
webhook-timestampstring required
webhook-signaturestring required
Payload
Example payload
{
"id": "evt_2b8f0c1d6e4a9937"
}Response
Answer 2xx within 10 seconds; anything else is retried for three days.
Changes
Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.