Guests’ conversations

Hi @arnaudv33,

That’s correct. As detailed in the documentation (https://developers.facebook.com/docs/messenger-platform/discovery/facebook-chat-plugin/#guest_mode):

“Guest chats” will end when the user decides to end the chat from the More menu, or 24 hours from the start of the conversation, whichever comes first.

Guest users can log in, in order to continue the conversation indefinitely.

Hope this clarifies!

Facebook Team

Thank you for your swiftness and clarifications.