generated: '2026-07-22'
method: searched
source: https://www.b3.com.br/.well-known/security.txt
hosts:
  - https://www.b3.com.br
  - https://developers.b3.com.br
  - https://developers.b3.com.br:8065
documents:
  - path: /.well-known/security.txt
    host: https://www.b3.com.br
    status: 200
    file: b3-exchange-security.txt
    note: RFC 9116 security.txt - Contact incidente.seguranca@b3.com.br, Expires 2030-01-01. Same file served on developers.b3.com.br.
  - path: /.well-known/security.txt
    host: https://developers.b3.com.br
    status: 200
    file: b3-exchange-security.txt
  - path: /.well-known/openid-configuration
    host: https://www.b3.com.br
    status: 200
    note: Soft-404 - returns the site's HTML shell, not an OIDC discovery document.
  - path: /.well-known/openid-configuration
    host: https://developers.b3.com.br
    status: 404
  - path: /.well-known/oauth-authorization-server
    host: https://developers.b3.com.br
    status: 404
  - path: /.well-known/oauth-authorization-server
    host: https://www.b3.com.br
    status: 302
    note: Redirects to the HTML site shell - no RFC 8414 metadata.
  - path: /.well-known/api-catalog
    host: https://developers.b3.com.br
    status: 404
  - path: /.well-known/api-catalog
    host: https://www.b3.com.br
    status: 302
    note: Redirects to the HTML site shell.
  - path: /.well-known/ai-plugin.json
    host: https://developers.b3.com.br
    status: 404
  - path: /.well-known/ai-plugin.json
    host: https://www.b3.com.br
    status: 302
    note: Redirects to the HTML site shell.
  - path: /llms.txt
    host: https://developers.b3.com.br
    status: 403
  - path: /llms.txt
    host: https://www.b3.com.br
    status: 200
    note: Soft-404 - returns the site's HTML shell, not an llms.txt.
  - path: /openapi.json
    host: https://developers.b3.com.br
    status: 404
  - path: /openapi.json
    host: https://developers.b3.com.br:8065
    status: 0
    note: API gateway host does not answer anonymous connections (connection failed).