AI-facing

Cheap existence + freshness probe

Same headers as GET /json/{boardId} but zero body. Returns 200 with ETag if the board exists, 404 otherwise.

head/json/{boardId}

Request

  • Base URL: https://cnvs.app
  • URL: https://cnvs.app/json/{boardId}
  • Auth: none declared

Response

Board exists; ETag returned.

Changes

No recorded changes to this operation across all 1 revision of this API.