https://community.hubspot.com/t5/APIs-Integrations/Webhook-on-quot-unsubscribed-from-all-emails-quot/m-p/638101#M53534 <P><a href="https://community.hubspot.com/t5/user/viewprofilepage/user-id/390393">@Bakytk</a> , you should be able to subscribe to the property <STRONG><SPAN class="WebhookDetailTableRow__HyphensNoneSpan-af0grh-0 iiLzvQ">hs_email_optout </SPAN></STRONG> and track that</P> Tue, 24 May 2022 14:15:45 GMT dennisedson 2022-05-24T14:15:45Z