Webhooks
questionnaire_milestone_reached
A client crossed a completion milestone on a questionnaire.
Only fires for firms with the questionnaire milestone webhook preference enabled. Unlike the other questionnaire events, this payload is progress-only and carries no client or entity details — use questionnaire_id to look the rest up.
postWebhookquestionnaire_milestone_reached
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.