Earnings APIs
Earnings APIs cover calendars, results and the filings behind them. API Ninjas Earnings Calendar returns past EPS and revenue actuals plus upcoming report dates, Earnings Feed tracks real-time 10-K and 8-K filings from EDGAR, and Zelothorn is free with no key, giving a plain-language business summary and the latest beat or miss for US public companies. Free Stock APIs →
| API | Pricing | Auth | Format | Free tier | Status |
|---|---|---|---|---|---|
API Ninjas Earnings CalendarPast earnings results and upcoming report dates for 50,000+ tickers, with EPS and revenue actuals. Finance & Commerce › Stock Market | Freemium | API key | JSON | 100–1k/day | Live |
Earnings FeedReal-time SEC EDGAR filings (10-K, 8-K, Form 4, 13F) with company and insider trading data. Finance & Commerce › Stock Market | Freemium | API key | JSON | 100–1k/day | Live |
ZelothornPlain-language business summaries, latest earnings beat/miss, and SEC filing links for US public companies. Finance & Commerce › Stock Market | Free | None | JSON | 10k+/day | Live |
API Ninjas Earnings CalendarFreemiumLive
Past earnings results and upcoming report dates for 50,000+ tickers, with EPS and revenue actuals.
API key · JSON
100–1k/day
no machine-readable spec
Earnings FeedFreemiumLive
Real-time SEC EDGAR filings (10-K, 8-K, Form 4, 13F) with company and insider trading data.
API key · JSON
100–1k/day
MCP server · llms.txt
ZelothornFreeLive
Plain-language business summaries, latest earnings beat/miss, and SEC filing links for US public companies.
None · JSON
10k+/day
no machine-readable spec
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Choosing an Earnings API
Is there a free Earnings API?
Yes. Zelothorn is free to use, and API Ninjas Earnings Calendar and Earnings Feed have a free tier alongside paid plans. See all free Stock APIs.
Which Earnings APIs work without an API key?
Zelothorn needs no key or sign-up, so you can try it with a plain request.
Can I call an Earnings API from front-end JavaScript?
Zelothorn allows cross-origin requests and needs no key, so it works straight from the browser. For the others, call them from your server so your key stays private.
Can I use Earnings APIs in a commercial project?
API Ninjas Earnings Calendar and Earnings Feed permit commercial use.
Which Earnings APIs work with AI agents?
Earnings Feed has an MCP server, so an AI agent can call it directly.
Broader: Stock Market APIs · Finance & Commerce APIs
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