{
  "service": "avatar.tools.town",
  "version": "1.0.0",
  "description": "Deterministic SVG identicons from any string (email, user id, session). SHA-256 → symmetric 5×5 grid.",
  "limits": {
    "size_px": [
      16,
      512
    ],
    "square_only": true,
    "max_seed_chars": 256
  },
  "endpoints": {
    "docs_html": "GET /",
    "image_unversioned": "GET /{size} or GET /{size}x{size}?seed=",
    "image_versioned": "GET /v1/{size}?seed=",
    "spec": "GET /v1/spec?seed=&size=",
    "validate": "GET /v1/validate?seed=&size=",
    "presets": "GET /v1/presets",
    "embed_widget": "GET /embed/",
    "health": "GET /health",
    "discovery": "GET /meta"
  },
  "query_params": {
    "seed": "String to hash (default \"anonymous\"). Empty ?seed= uses default.",
    "rounded": "If \"1\", \"true\", or \"yes\", slightly rounded tile corners."
  },
  "examples": {
    "basic": "https://avatar.tools.town/128?seed=user@example.com",
    "default_seed": "https://avatar.tools.town/64",
    "versioned": "https://avatar.tools.town/v1/256?seed=acme-corp",
    "rounded": "https://avatar.tools.town/128?seed=Ada&rounded=1"
  }
}