Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"Q",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"583d18b5-51b1-3458-af89-cbbb97500949",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZmZlZGQ2ZjllZmRiMTU2Yjg2OTM1Njk5YjJiNDgzNGRmMGY1ZDIxNDUxM2MwMWQzOGFmM2JkMDMxY2JjYzkyIn19fQ=="}]}}}

API Usage

GET https://headdb.org/api/head/583d18b5-51b1-3458-af89-cbbb97500949

{
  "name": "Q",
  "uuid": "583d18b5-51b1-3458-af89-cbbb97500949",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZmZlZGQ2ZjllZmRiMTU2Yjg2OTM1Njk5YjJiNDgzNGRmMGY1ZDIxNDUxM2MwMWQzOGFmM2JkMDMxY2JjYzkyIn19fQ==",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/ffedd6f9efdb156b86935699b2b4834df0f5d214513c01d38af3bd031cbcc92"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"Q\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"583d18b5-51b1-3458-af89-cbbb97500949\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZmZlZGQ2ZjllZmRiMTU2Yjg2OTM1Njk5YjJiNDgzNGRmMGY1ZDIxNDUxM2MwMWQzOGFmM2JkMDMxY2JjYzkyIn19fQ==\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/583d18b5-51b1-3458-af89-cbbb97500949