Archives a contact. Archived contacts can't be sent messages or emails, and their incoming messages are rejected, until they're unarchived.

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

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.

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.

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.