Before creating a Coinbase trader ID for a user to connect to Coinbase, you must first create a Coinbase account and wallet at www.coinbase.com (Businesses > Exchange).
TT connects to Coinbase Exchange via a FIX connection, which provides the fastest possible connection protocol to the exchange.
Crypto spot exchanges such as Coinbase are typically “fully funded”, meaning that in order to buy or sell an asset, you need 100% of that asset on the exchange.
To fund an account: