Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"Q",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"f35fd37a-98d1-3656-b34a-c1d66825a559",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjZjYTc2OWJkZTI1ZDRjYzQxZTE5ZTQyYWRjMzVhYjRjMTU1N2I3NmFmMjMyNjQ5YWNjOTk2N2ZmMTk4ZjEzIn19fQ=="}]}}}

API Usage

GET https://headdb.org/api/head/f35fd37a-98d1-3656-b34a-c1d66825a559

{
  "name": "Q",
  "uuid": "f35fd37a-98d1-3656-b34a-c1d66825a559",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjZjYTc2OWJkZTI1ZDRjYzQxZTE5ZTQyYWRjMzVhYjRjMTU1N2I3NmFmMjMyNjQ5YWNjOTk2N2ZmMTk4ZjEzIn19fQ==",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/66ca769bde25d4cc41e19e42adc35ab4c1557b76af232649acc9967ff198f13"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"Q\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"f35fd37a-98d1-3656-b34a-c1d66825a559\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNjZjYTc2OWJkZTI1ZDRjYzQxZTE5ZTQyYWRjMzVhYjRjMTU1N2I3NmFmMjMyNjQ5YWNjOTk2N2ZmMTk4ZjEzIn19fQ==\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/f35fd37a-98d1-3656-b34a-c1d66825a559