{
  "service": "Album Art Dithering Proxy",
  "usage": {
    "search": "?artist=ARTIST&title=TITLE[&format=1bit|jpeg|preview][&dither=floyd|atkinson][&diffusion=75][&display=gfx|sharp]",
    "directUrl": "?url=IMAGE_URL[&dither=floyd|atkinson][&diffusion=75][&display=gfx|sharp]"
  },
  "example": "?artist=Air&title=Sexy+Boy&format=preview",
  "parameters": {
    "url": "Direct image URL (skips API search, used for podcast artwork)",
    "artist": "Artist name (required for search mode)",
    "title": "Track title (required for search mode)",
    "format": "1bit (default), jpeg, or preview",
    "dither": "floyd (default) or atkinson",
    "diffusion": "Error diffusion % for Atkinson, 0-100 (default 75)",
    "display": "gfx (default, MSB-first 7813 bytes) or sharp (LSB-first 8000 bytes)"
  },
  "output": {
    "1bit": "250x250 dithered bitmap",
    "jpeg": "Original JPEG passthrough",
    "preview": "HTML page with side-by-side comparison"
  },
  "displayFormats": {
    "gfx": "Adafruit GFX compatible: MSB-first, 7813 bytes (ceil(250*250/8))",
    "sharp": "Sharp Memory LCD: LSB-first, 32-byte padded rows, 8000 bytes"
  },
  "sources": [
    "Deezer",
    "iTunes",
    "Cover Art Archive"
  ]
}