Triggers when a contact joins a Smart List: added by hand, by the list's filters, or by a keyword.

Adds one or more tags to a contact. Archived contacts are skipped.

Creates a new contact. Use Find or Create Contact instead if the contact might already exist. Fails if an archived contact has the phone number.

Removes one or more tags from a contact. Tags the contact doesn't have are ignored.

Unarchives a contact, returning them to your contact lists. Their Do Not Message, Do Not Email, and Do Not Message Me settings are left as they are; use Update Contact to change them.

Finds a contact by phone number, email address, or contact ID. Archived contacts aren't found.

Finds a contact by phone number, email address, or contact ID, or creates one if none is found. Fails if an archived contact has the phone number; unarchive it in Project Broadcast first.

Triggers when a contact leaves a Smart List: removed by hand or by the list's filters. Deleting a Smart List doesn't trigger it.

Adds a contact to a campaign, which schedules the campaign's messages for them.

Removes a contact from a campaign and cancels the campaign's scheduled messages to them.

Sends a text, picture message, voicemail drop, or email template to a contact. It shows in your chat with the contact.

Updates an existing contact, found by phone number, email address, or contact ID. Fields left empty keep their current values.

Finds up to 100 contacts by tag and archived status.