Clear Street API
Not rated yet · Be the first to rate itTrade 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%
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

Stock market data with one API key
marketstack delivers end-of-day and intraday prices for global exchanges, with a free plan to start.
Clear Street API alternatives
Compare all 111 alternatives →Invoice & Payment ID Validator
Validate IBAN, BIC, EU VAT (live VIES), UK VAT and EIN, with a pay/review/hold payee check
MortgageCalculator
16 mortgage calculators: payment, refinance, APR, rent vs. buy, points and amortization schedules
Ratings & reviews
No ratings yet
Used Clear Street? Be the first to rate it.
Write a review
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.
Maintain the Clear Street API? Add a badge
Show that Clear Street is listed on Public APIs. The badge displays its developer rating once it has one.
Markdown
[](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>