Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"N",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"43e551b7-49cb-3d25-b3ce-7c8b2a010703",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMzViOGIzZDhjNzdkZmI4ZmJkMjQ5NWM4NDJlYWM5NGZmZmE2ZjU5M2JmMTVhMjU3NGQ4NTRkZmYzOTI4In19fQ=="}]}}}

API Usage

GET https://headdb.org/api/head/43e551b7-49cb-3d25-b3ce-7c8b2a010703

{
  "name": "N",
  "uuid": "43e551b7-49cb-3d25-b3ce-7c8b2a010703",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMzViOGIzZDhjNzdkZmI4ZmJkMjQ5NWM4NDJlYWM5NGZmZmE2ZjU5M2JmMTVhMjU3NGQ4NTRkZmYzOTI4In19fQ==",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/35b8b3d8c77dfb8fbd2495c842eac94fffa6f593bf15a2574d854dff3928"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"N\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"43e551b7-49cb-3d25-b3ce-7c8b2a010703\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMzViOGIzZDhjNzdkZmI4ZmJkMjQ5NWM4NDJlYWM5NGZmZmE2ZjU5M2JmMTVhMjU3NGQ4NTRkZmYzOTI4In19fQ==\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/43e551b7-49cb-3d25-b3ce-7c8b2a010703