Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"8",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"cd490793-3829-37e4-899b-b4dd41786bf4",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTkxOTQ5NzNhM2YxN2JkYTk5NzhlZDYyNzMzODM5OTcyMjI3NzRiNDU0Mzg2YzgzMTljMDRmMWY0Zjc0YzJiNSJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/cd490793-3829-37e4-899b-b4dd41786bf4

{
  "name": "8",
  "uuid": "cd490793-3829-37e4-899b-b4dd41786bf4",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTkxOTQ5NzNhM2YxN2JkYTk5NzhlZDYyNzMzODM5OTcyMjI3NzRiNDU0Mzg2YzgzMTljMDRmMWY0Zjc0YzJiNSJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/59194973a3f17bda9978ed6273383997222774b454386c8319c04f1f4f74c2b5"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"8\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"cd490793-3829-37e4-899b-b4dd41786bf4\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTkxOTQ5NzNhM2YxN2JkYTk5NzhlZDYyNzMzODM5OTcyMjI3NzRiNDU0Mzg2YzgzMTljMDRmMWY0Zjc0YzJiNSJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/cd490793-3829-37e4-899b-b4dd41786bf4