Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"L",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"030aef8d-f783-3771-b433-510c158c4cc1",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOGM4NGY3NTQxNmU4NTNhNzRmNmM3MGZjN2UxMDkzZDUzOTYxODc5OTU1YjQzM2JkOGM3YzZkNWE2ZGYifX19"}]}}}

API Usage

GET https://headdb.org/api/head/030aef8d-f783-3771-b433-510c158c4cc1

{
  "name": "L",
  "uuid": "030aef8d-f783-3771-b433-510c158c4cc1",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOGM4NGY3NTQxNmU4NTNhNzRmNmM3MGZjN2UxMDkzZDUzOTYxODc5OTU1YjQzM2JkOGM3YzZkNWE2ZGYifX19",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/8c84f75416e853a74f6c70fc7e1093d53961879955b433bd8c7c6d5a6df"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"L\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"030aef8d-f783-3771-b433-510c158c4cc1\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOGM4NGY3NTQxNmU4NTNhNzRmNmM3MGZjN2UxMDkzZDUzOTYxODc5OTU1YjQzM2JkOGM3YzZkNWE2ZGYifX19\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/030aef8d-f783-3771-b433-510c158c4cc1