Can you link TurboTax to investing apps like Coinbase, Binance.US, Webull, and eToro to facilitate doing the tax return?

How to import your 1099 financial institute information:  (Please note that this section in the program is not quite ready.)

1. Open your return.
2. Search for investment sales.
3. Click on Jump to investment sales.
4. Answer "Yes".
5. Click "Continue".
6. Click on type of investment sold, Click on Continue.
7. Click on Continue again.
8. Choose or search for financial institute to import from.

TurboTax can import certain 1099 information. Importing might not be exactly what you mean by linking. You can import 1099 information from a financial institution if the financial institution issues Form 1099-B, 1099-DIV, or 1099-INT, and if the financial institution chooses to be a TurboTax import partner.

Some of the apps that you listed, are strictly cryptocurrency exchanges. I don't think they issue 1099 forms. The only one in your list that is in the list of TurboTax import partners is Webull, so you might be able to import from there. I don't know if Webull would include crypto transactions in the data they provide for importing, or just stock transactions. You would have to ask them, or just try it.

Many financial institutions do not have their data ready for importing until the end of January or the middle of February.