Hey @ozgur​ , Unfortunately currently possible to subscribe only this topics:

conversation.user.created

New message from a user or lead

contact.signed_up

Lead signs up

contact.created

Lead created

contact.added_email

Lead added email

contact.tag.created

Lead tagged

contact.tag.deleted

Lead untagged

conversation.user.replied

Reply from a user or lead

conversation.admin.opened

Conversation opened

conversation.admin.closed

Conversation closed

conversation.admin.replied

Reply from your teammates

conversation.admin.single.created

Admin initiated message to one user

conversation.admin.noted

Note added to a conversation

conversation.admin.assigned

Conversation assigned to any teammate

user.created

User created

user.deleted

User deleted

user.unsubscribed

User unsubscribed from email

user.email.updated

User email updated

user.tag.created

User tagged

user.tag.deleted

User untagged

company.created

Company created

event.created

New events

visitor.signed_up

Visitor signed up

conversation_part.tag.created

Conversation tagged

conversation_part.redacted

Conversation part deleted

conversation.admin.snoozed

Conversation snoozed

conversation.admin.unsnoozed

Conversation unsnoozed

conversation.rating.added

Conversation rating added

 If you describe your use case, will try to help you in another way.

Curious to know how you would use the webhooks / what is that you are trying to solve!