Mailjet

• Trigger
  New Contact

  Polls for newly created contacts across the account.

• Trigger
  New Contact in List

  Polls for contacts newly added to a specific contact list.

• Trigger
  New Contact List

  Polls for newly created contact lists.

• Action
  Add Contact to List

  Add (subscribe) a contact to a contact list via managecontact.

• Action
  Create Contact

  Create a new contact.

• Action
  Create Contact List

  Create a new contact list.

• Action
  Create Contact Property

  Create a custom contact property (contactmetadata).

• Action
  Delete Contact List

  Delete a contact list by ID.

• Action
  Get Contact

  Retrieve a contact by ID or email address.

• Action
  Get Contact List

  Retrieve a contact list by ID.

• Action
  Get Contacts in List

  List contacts belonging to a specific contact list.

• Action
  Get Message

  Retrieve a message by its ID.

• Action
  Get Statistics

  Retrieve aggregated message/campaign statistics counters.

• Action
  List Contact Lists

  List all contact lists.

• Action
  List Contacts

  List contacts with optional pagination.

• Action
  Manage Contact Data

  Update the property (contactdata) values for a contact.

• Action
  Remove Contact from List

  Unsubscribe/remove a contact from a contact list via managecontact.

• Action
  Send Email

  Send a transactional or marketing email via the Send API v3.1.

• Action
  Update Contact

  Update a contact's name or campaign-exclusion status.

No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.