Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"E",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"74fda4fe-acc3-3342-a3b8-27fccc773415",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZGIyNTE0ODdmZjhlZWYyZWJjN2E1N2RhYjZlM2Q5ZjFkYjdmYzkyNmRkYzY2ZmVhMTRhZmUzZGZmMTVhNDUifX19"}]}}}

API Usage

GET https://headdb.org/api/head/74fda4fe-acc3-3342-a3b8-27fccc773415

{
  "name": "E",
  "uuid": "74fda4fe-acc3-3342-a3b8-27fccc773415",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZGIyNTE0ODdmZjhlZWYyZWJjN2E1N2RhYjZlM2Q5ZjFkYjdmYzkyNmRkYzY2ZmVhMTRhZmUzZGZmMTVhNDUifX19",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/db251487ff8eef2ebc7a57dab6e3d9f1db7fc926ddc66fea14afe3dff15a45"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"E\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"74fda4fe-acc3-3342-a3b8-27fccc773415\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZGIyNTE0ODdmZjhlZWYyZWJjN2E1N2RhYjZlM2Q5ZjFkYjdmYzkyNmRkYzY2ZmVhMTRhZmUzZGZmMTVhNDUifX19\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/74fda4fe-acc3-3342-a3b8-27fccc773415