FinanceHalal Terminal
Shariah-compliant stock and ETF screening across 5 methodologies, zakat and purification
apiKeyHTTPSCORS
Finance
Helious
US Treasury auction results with the tail and bidder split, plus scored economic releases.
Helious API is a free Finance API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
- Authentication
- None required
- HTTPS
- Yes
- CORS
- Yes
- Category
- Finance
Visit documentation ↗helious.io
About Helious
US market data for people and agents: a REST API and an MCP server, with a free tier that needs no account.
- Provider
- Helious
- Website
- helious.io ↗
Details from helious.io.
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Helious API FAQ
Who provides the Helious API?
The Helious API is provided by Helious (helious.io). US market data for people and agents: a REST API and an MCP server, with a free tier that needs no account.
Is the Helious API free?
Yes. The Helious 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 Helious API require an API key?
No. The Helious API requires no authentication, so you can start making requests without signing up.
Can I call the Helious API from the browser?
Yes. The Helious API supports CORS, so front-end JavaScript can call it directly.
Does the Helious API support HTTPS?
Yes. The Helious API is served over HTTPS, so it's safe to use in production.