This site provides Tableau Web Data Connector.
How to use:
STEP1. Claim your application id for Alpha Vantage from here. Type your API Key to the text box.
STEP2. Type Symbol and/or Market into the textbox and also select data type from the list.
STEP3. Copy Web Data Connector URL and paste to your Tableau WDC datasource.

Symbol:
This service uses the API function of Alpha Advantage.
From Symbol:
To Symbol:
This service uses the API function of Alpha Advantage.
Symbol:
Market:
This service uses the API function of Alpha Advantage.