Webhooks
message_sent
A message was sent in a conversation, by either a firm user or a client. is_firm_user tells you which.
postWebhookmessage_sent
Payload
Response
Return any 2xx to acknowledge. Returning 410 Gone deletes the subscription.
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.