To initiate a wire transfer with Citibank, log in to your online banking account. Navigate to the "Payments & Transfers" section and select "Wire Transfer." Choose whether you want to send a domestic or international wire. Enter the recipient's details, including their name, account number, and bank information. Specify the transfer amount and any additional notes. Review the transaction details carefully, then confirm the transfer. Citibank may require verification through a one-time password or security questions. Once completed, you will receive a confirmation of the wire transfer. Always ensure you have accurate recipient information to avoid delays.