# Set contact email address(es) Use this function to set an account's contact email address(es). To unset all contact email addresses, call . Endpoint: GET /ContactInformation/set_email_addresses Version: 11.134.0.5 Security: BasicAuth ## Query parameters: - `address` (array, required) The account’s new contact email addresses. Example: ["foo@example.com","bar@example.com"] - `old_address` (array, required) The account’s existing contact email addresses. If this list does not match the account’s current current email address(es), then the request will fail. This control is here to prevent race conditions. Example: ["old1@example.com"] - `password` (string, required) The account’s password. Example: "q1df%D9