Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"Y",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"efef3a99-815b-38a2-a2d4-1bc06cd8ee27",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZTM1NDI0YmI4NjMwNWQ3NzQ3NjA0YjEzZTkyNGQ3NGYxZWZlMzg5MDZlNGU0NThkZDE4ZGNjNjdiNmNhNDgifX19"}]}}}

API Usage

GET https://headdb.org/api/head/efef3a99-815b-38a2-a2d4-1bc06cd8ee27

{
  "name": "Y",
  "uuid": "efef3a99-815b-38a2-a2d4-1bc06cd8ee27",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZTM1NDI0YmI4NjMwNWQ3NzQ3NjA0YjEzZTkyNGQ3NGYxZWZlMzg5MDZlNGU0NThkZDE4ZGNjNjdiNmNhNDgifX19",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/e35424bb86305d7747604b13e924d74f1efe38906e4e458dd18dcc67b6ca48"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"Y\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"efef3a99-815b-38a2-a2d4-1bc06cd8ee27\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZTM1NDI0YmI4NjMwNWQ3NzQ3NjA0YjEzZTkyNGQ3NGYxZWZlMzg5MDZlNGU0NThkZDE4ZGNjNjdiNmNhNDgifX19\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/efef3a99-815b-38a2-a2d4-1bc06cd8ee27