
Edgrapi
Polygon.io
Financial Modeling Prep
Alpha Vantage
Earnings Feed
Equibles
InsiderTradingTracker.co
SEC EDGAR data as clean JSON: insider trades, 13F holdings, 8-K events, 10-K sections and XBRL financials, through a REST API, a live filing stream and an MCP server for AI agents.

Alpha Vantage
Polygon.io
Financial Modeling Prep
Open Exchange Rates
FinancialData.net
FinFeedAPI
CoinGecko
The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.

Which is more popular?
Based on our record, Twelve Data seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | secfeedapi.com | twelvedata.com |
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| Company | 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


SecFeed turns SEC EDGAR filings into clean, consistent JSON so you can build on financial data without writing your own parsers. What you get *Insider trades: Form 3, 4 and 5 transactions with flat, typed fields *Institutional holdings: 13F positions by manager and by security *Company events:...
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Straightforward to use and powerful API to get financial data in real-time and complete historical data. Best in class Python package.
Recommendations tracked on public social media and blogs since March 2021.


Tracking SecFeed since Oct 2026.
I chose Twelve Data for stock and crypto prices. Free tier: 800 calls per day. My math: 5 symbols × 96 fetches/day (every 15 minutes) = 480 calls. Comfortable margin. - Source: dev.to / 3 months ago
I am using TwelveData forex API for Extraction of raw data from the financial markets in JSON format. - Source: dev.to / over 1 year ago
Twelve Data provides extensive financial market coverage, making it ideal for those looking for a free API for building a stock portfolio tracker. - Source: dev.to / over 1 year ago
When comparing SecFeed and Twelve Data, you can also consider the following products.

US government data as clean JSON: SAM.gov contract opportunities, USAspending awards, Grants.gov grants, congressional trades and SEC filings. Free tier, no card.
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Alpha Vantage offers free APIs in JSON and CSV formats for realtime and historical stock and forex data, digital/crypto currency data and over 50 technical indicators.
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Polygon.io offers streaming realtime data for stocks/equities, ETFs, Indecies and Forex/Currencies including crypto currencies. Our Real-Time Stock Data APIs help you build the future on fintech.
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Access all stocks discounted cash flow statements, market price, stock markets news, and learn more about Financial Modeling. Learn M&A, LBO, DCF, Comps, and Financial Statement Modeling thought concrete examples
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Free, hourly-updated exchange rates - a simple, accurate, open-source JSON API. Free for personal use, a bargain for everybody else.
Compare Open Exchange Rates to SecFeed or Twelve Data:

Track SEC filings in real-time. Monitor 10-K, 10-Q, 8-K reports and insider trades across 175,000+ public companies with instant alerts.
Compare Earnings Feed to SecFeed or Twelve Data: