If you have ever wanted to find every SEC filing that mentions a phrase, a person, or a legal term, EDGAR has a full text search index that covers every filing since 2001. It is a plain JSON API, no key and no login, and most people never touch it directly.
The endpoint
GET https://efts.sec.gov/LATEST/search-index?q=%22material+weakness%22&forms=10-K&startdt=2026-01-01&enddt=2026-06-30
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