You can only send Tether (USDT) to Top Change.
If you hold any other currency, you need to exchange it to tether first; as explained in the link below;
How to convert (exchange) currencies in GC?
Short Cut -- Dashboard > Quick Access > withdrawal > E-Money > Tether
OR;
To send tether to TC;
1. Click on "Saving Wallets".
2. Click on the "Withdraw" option of USDT (Tether).
3. Choose the "Via E-money" option.
4. Enter the amount you would like to receive TC in Receive Money box.
NOTE! the amount must have a maximum of 2 decimal places.
5. Click on "Calculate".
6. Click on "Confirm".
7. Click on the "Transfer" option to be transferred to TC PAY GATEWAY.
8. Enter your Top Change email and password.
9. Enter the code you receive in your email address.
10. Click on "Verify".
11. Select your TC wallet.
12. Click on the "Pay" option.
The transaction will be done automatically and immediately.
You will be redirected to the request page if the payment is successful.