// FINANCE
Tradier
US equity/option market data (delayed, intraday, historical)
Tradier is a free public Finance API that requires OAuth authentication. It supports HTTPS and has CORS enabled.
// FACTS
- Category
- Finance
- Authentication
- OAuth
- HTTPS
- yes
- CORS
- yes
- Endpoint
- developer.tradier.com
- Cost
- Free
// FREQUENTLY ASKED
What is Tradier?
Tradier is a free public API in the Finance category. US equity/option market data (delayed, intraday, historical)
Does Tradier require authentication?
Yes — Tradier requires OAuth authentication to make requests.
Is Tradier free?
Yes. Tradier is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does Tradier support HTTPS?
Yes, Tradier supports HTTPS encrypted requests.