If you need to transfer Dollars to a Naira GTBank account, do not accept terrible traditional bank exchange rates. Here is the live data on the fastest, cheapest providers right now.
Create a free account with a top provider like LemFi or Sendwave.
Select Nigeria as the destination and enter your transfer amount in USD.
Input the recipient's 10-digit NUBAN GTBank account number.
Pay securely via debit card or ACH bank transfer.
Money arrives directly in the GTBank account (often instantly).