Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"A",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"3fa073b7-e628-3445-b9da-8a8843dec7e1",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTY3ZDgxM2FlN2ZmZTViZTk1MWE0ZjQxZjJhYTYxOWE1ZTM4OTRlODVlYTVkNDk4NmY4NDk0OWM2M2Q3NjcyZSJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/3fa073b7-e628-3445-b9da-8a8843dec7e1

{
  "name": "A",
  "uuid": "3fa073b7-e628-3445-b9da-8a8843dec7e1",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTY3ZDgxM2FlN2ZmZTViZTk1MWE0ZjQxZjJhYTYxOWE1ZTM4OTRlODVlYTVkNDk4NmY4NDk0OWM2M2Q3NjcyZSJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/a67d813ae7ffe5be951a4f41f2aa619a5e3894e85ea5d4986f84949c63d7672e"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"A\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"3fa073b7-e628-3445-b9da-8a8843dec7e1\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTY3ZDgxM2FlN2ZmZTViZTk1MWE0ZjQxZjJhYTYxOWE1ZTM4OTRlODVlYTVkNDk4NmY4NDk0OWM2M2Q3NjcyZSJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/3fa073b7-e628-3445-b9da-8a8843dec7e1