openapi: 3.2.0
info:
  title: Whisper Tile API
  summary: Identity and safe egress for AI agents, and the security graph behind it.
  description: Every endpoint described here was exercised live before this document was written.
  version: 1.1.0
  contact:
    name: Whisper Security
    url: https://whisper.online
  license:
    name: Proprietary
    url: https://whisper.online/terms
servers:
- url: https://whisper.online
  description: The main site, verification, and the ledger
tags:
- name: Tile
paths:
  /tile/{level}/{index}:
    get:
      summary: A Merkle tile of the ledger
      operationId: ledgerTile
      security: []
      description: Keyless. Tiles let a verifier reconstruct and check the tree itself.
      parameters:
      - name: level
        in: path
        required: true
        schema:
          type: integer
        example: 0
      - name: index
        in: path
        required: true
        schema:
          type: string
        example: '000'
      responses:
        '200':
          description: Tile bytes.
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
      tags:
      - Tile
components:
  securitySchemes:
    whisperApiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: A whisper_live_... key. Obtainable from an email address alone, with no human step; see /.well-known/agent-onboarding.json.
externalDocs:
  description: The full catalog, written for agents
  url: https://whisper.online/llms-full.txt