Alpha Vantage

At a glance

Availability: Experimental (how to enable).
Auth: API key.
Connection: The key from ALPHAVANTAGE_API_KEY is sent as the apikey query parameter.
Docs: https://www.alphavantage.co/documentation/

Set these per environment. See Connect an integration.

Variable	Required	Description
`ALPHAVANTAGE_API_KEY`	Yes	Alpha Vantage API key claimed from the free API key form Docs.

Claim a free API key: Open https://www.alphavantage.co/support/#api-key, fill in the short form (who you are, organization, email address), and the API key is shown immediately. The free key allows up to 25 requests per day.
Store the key: Set the key as ALPHAVANTAGE_API_KEY.
Verify it works: Open https://www.alphavantage.co/query?function=GLOBAL_QUOTE&symbol=IBM&apikey=YOUR_KEY in a browser and check that a JSON quote comes back instead of an error message.

Alpha Vantage authenticates by passing the API key as an apikey query parameter on every request (https://www.alphavantage.co/query?function=…&apikey=…); it does not accept the key in an HTTP header.
The free API key is limited to 25 requests per day; premium plans at https://www.alphavantage.co/premium/ raise the limit and remove delays.

Tool	Access	Description
Get Quote	Read	Get the latest price and volume information for an equity ticker
Daily Time Series	Read	Get daily open, high, low, close, and volume history for an equity ticker
Symbol Search	Read	Search for ticker symbols and companies matching keywords
Company Overview	Read	Get company information and key fundamentals (market cap, PE ratio, EPS, sector) for an equity ticker
FX Exchange Rate	Read	Get the realtime exchange rate between two currencies (physical or digital, e.g. USD to EUR or BTC to USD)