# Missing webhook events - meeting.started **URL:** \ **Category:** API and Webhooks\ **Created:** [August 10, 2023, 3:00pm UTC](https://devforum.zoom.us/t/missing-webhook-events-meeting-started/93225 "2023-08-10T15:00:31Z")\ **Posts on this page:** 1\ **Showing post:** 31
**Author:** ![jenniferb](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/jenniferb/32/45090_2.png) [@jenniferb](https://devforum.zoom.us/u/jenniferb)\ **Post date:** [August 28, 2023, 2:37pm UTC](https://devforum.zoom.us/t/missing-webhook-events-meeting-started/93225/31 "2023-08-28T14:37:24Z")
Thank you @cedric-swivvel We did prepare everything, but need to change the URL of the Webhook, since we can’t transfer our root domain to Cloudflare. This requires the app to be submitted again, and last time this happened, all out customer’s webhooks got invalidated, so we’re a bit scared to go through that again. We’re also using Let’s Encrypt certificates on Heroku. There were reports with their certificates before as well: > [@¿Is Let's Encrypt certificate authority a valid CA for Zoom Webhooks?](https://devforum.zoom.us/t/is-lets-encrypt-certificate-authority-a-valid-ca-for-zoom-webhooks/74067): > > I’m trying to create a Webhook app using “[https://softalks.com/zoom/handler](https://softalks.com/zoom/handler)” as “Event notification endpoint URL”. After pushing the “Validate” button I get the “Invalid TLS certificate” error message that makes impossible to go beyond I’m using the https scheme My server is using TLS 1.2 My certificate is valid, references a FQDN and has a valid certificate chain (you can type the URL in the Google Chrome location bar to test it) My endpoint is able to process post requests with a JSON payloa… @elisa.zoom can you please confirm, that updating the Webhook URL (to the one on CloudFlare) and submitting the app will not disconnect all connected account’s webhooks? --- _[View the full topic](https://devforum.zoom.us/t/missing-webhook-events-meeting-started/93225)._