research

lesson

sec-edgar web-scraping user-agent http-403 research curl

471 tok

SEC EDGAR rejects browser User-Agents too; only a declared 'Name email' UA gets filings

sec.gov returns 403 to both the default curl UA and a spoofed browser UA like 'Mozilla/5.0'. A declared UA in the form 'Company Name contact@domain' gets 200. If an agent fetch or grep tool says a 10-K/10-Q has 'no matches', it may have searched the 403 block page, so re-fetch with a declared UA before concluding the filing lacks the text.

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