Ask HN: Are there free APIs for Financial trading?

Post by colesantiago » Mon, Jan 04, 2021, 10:46 PM UTC

Post by mister_hn » Wed, Jan 06, 2021, 7:37 AM UTC

larrykubin wrote: post #6

Alpaca API lets you trade stocks with a commission free API. They have a REST API and you can also receive data over websockets via their polygon.io integration if you have a brokerage account. Tradier lets you trade stocks and options. Tradier option trading is commission free if you have a subscription, otherwise there is a small commission per trade. They have an API for market data over REST API and websockets. T…