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Finance

Trade US stocks and options, with market data, fundamentals and account data.

Clear Street API is a free Finance API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.

Authentication
apiKey
HTTPS
Yes
CORS
No
Category
Finance
Uptime (30 days)
100%
Visit documentation ↗docs.clearstreet.com

Online · 1168 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About Clear Street Trading API Documentation and Guides

Set up your account, generate API keys, check balances, find instruments, and submit your first order.

Provider
Clear Street Trading API Documentation and Guides
Website
docs.clearstreet.com ↗

Details from docs.clearstreet.com.

Key facts

  • 100% uptime (30 days)
  • HTTPS
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Clear Street API FAQ

Who provides the Clear Street API?

The Clear Street API is provided by Clear Street Trading API Documentation and Guides (docs.clearstreet.com). Set up your account, generate API keys, check balances, find instruments, and submit your first order.

Is the Clear Street API free?

Yes. The Clear Street API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Clear Street API require an API key?

Yes. The Clear Street API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the Clear Street API from the browser?

Not directly. The Clear Street API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.

Does the Clear Street API support HTTPS?

Yes. The Clear Street API is served over HTTPS, so it's safe to use in production.

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Show that Clear Street is listed on Public APIs. The badge displays its developer rating once it has one.

Clear Street on Public APIs

Markdown

[![Clear Street on Public APIs](https://publicapis.lol/badge/clear-street.svg)](https://publicapis.lol/apis/clear-street)

HTML

<a href="https://publicapis.lol/apis/clear-street"><img src="https://publicapis.lol/badge/clear-street.svg" alt="Clear Street on Public APIs" height="20"></a>