# Conversation Participants

Manage contacts participating in conversations

## Attach a contact to a conversation

 - [POST /conversations/{id}/customers](https://developers.intercom.com/docs/references/preview/rest-api/api.intercom.io/conversation-participants/attachcontacttoconversation.md): You can add participants who are contacts to a conversation, on behalf of either another contact or an admin.

{% admonition type="warning" name="Contacts without an email" %}
If you add a contact via the email parameter and there is no user/lead found on that workspace with he given email, then we will create a new contact with role set to lead.
{% /admonition %}

## Detach a contact from a group conversation

 - [DELETE /conversations/{conversation_id}/customers/{contact_id}](https://developers.intercom.com/docs/references/preview/rest-api/api.intercom.io/conversation-participants/detachcontactfromconversation.md): You can remove participants who are contacts from a group conversation, on behalf of an admin.

{% admonition type="warning" name="Removing the last participant" %}
You cannot remove the last remaining contact from a conversation.
{% /admonition %}