SEC EDGAR XBRL API
The SEC EDGAR XBRL APIs provide free, real-time access to structured financial data from public company filings. APIs include company submissions, company facts (all XBRL disclosures), company concepts (individual taxonomy tags per company), and aggregated XBRL frames across all filers. Data is returned in JSON and covers US-GAAP, IFRS, DEI, and SRT taxonomies. Rate limit is 10 requests/second with required User-Agent header.