27 September 2026
Added operating instructions and troubleshooting guidance. Updated ChatGPT and Claude Code connection instructions. Documented trial-startsubscription_started events and webhook management on the dashboard Webhooks page. See the App API for the remote paywall endpoint retirement notice.
7 September 2026
Updated the webhook signature and retry references. Thet= timestamp uses Unix milliseconds, with a five-minute verification tolerance. Delivery uses five scheduled attempts, with delays measured from the preceding failed attempt. See signature verification and delivery and retries.
5 September 2026
Added setup, signature verification, payload, and troubleshooting guides for thesubscription_started outbound webhook. Receivers deduplicate by event_id.