Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"S",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"06850463-4b0c-36de-9078-376dceec4a0f",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjBkMDlkZmQ5ZjVkZTYyNDMyMzNlMGUzMzI1YjZjMzQ3OTMzNWU3Y2NmMTNmMjQ0OGQ0ZTFmN2ZjNGEwZGYifX19"}]}}}

API Usage

GET https://headdb.org/api/head/06850463-4b0c-36de-9078-376dceec4a0f

{
  "name": "S",
  "uuid": "06850463-4b0c-36de-9078-376dceec4a0f",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjBkMDlkZmQ5ZjVkZTYyNDMyMzNlMGUzMzI1YjZjMzQ3OTMzNWU3Y2NmMTNmMjQ0OGQ0ZTFmN2ZjNGEwZGYifX19",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/60d09dfd9f5de6243233e0e3325b6c3479335e7ccf13f2448d4e1f7fc4a0df"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"S\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"06850463-4b0c-36de-9078-376dceec4a0f\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjBkMDlkZmQ5ZjVkZTYyNDMyMzNlMGUzMzI1YjZjMzQ3OTMzNWU3Y2NmMTNmMjQ0OGQ0ZTFmN2ZjNGEwZGYifX19\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/06850463-4b0c-36de-9078-376dceec4a0f