Your HTTP Endpoints will stop working on Tuesday, April 26, 2016.
Your non-test Endpoints are required to support HTTPS and TLS 1.2 in order to receive webhooks from us. This update is required as part of our TLS upgrade that took effect in January: https://docs.chargify.com/tls-upgrade-notice
The following Endpoints do not support a TLS 1.2 connection and will stop working on Tuesday, April 26, 2016.
What can I do to fix the identified issues?
Simply change your Endpoints to support HTTPS. If you have any questions or issues, please email firstname.lastname@example.org for assistance.