Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"2",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"50afad96-157b-3498-95e1-33f5ed19883c",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYWNiNDE5ZDk4NGQ4Nzk2MzczYzk2NDYyMzNjN2EwMjY2NGJkMmNlM2ExZDM0NzZkZDliMWM1NDYzYjE0ZWJlIn19fQ=="}]}}}

API Usage

GET https://headdb.org/api/head/50afad96-157b-3498-95e1-33f5ed19883c

{
  "name": "2",
  "uuid": "50afad96-157b-3498-95e1-33f5ed19883c",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYWNiNDE5ZDk4NGQ4Nzk2MzczYzk2NDYyMzNjN2EwMjY2NGJkMmNlM2ExZDM0NzZkZDliMWM1NDYzYjE0ZWJlIn19fQ==",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/acb419d984d8796373c9646233c7a02664bd2ce3a1d3476dd9b1c5463b14ebe"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"2\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"50afad96-157b-3498-95e1-33f5ed19883c\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYWNiNDE5ZDk4NGQ4Nzk2MzczYzk2NDYyMzNjN2EwMjY2NGJkMmNlM2ExZDM0NzZkZDliMWM1NDYzYjE0ZWJlIn19fQ==\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/50afad96-157b-3498-95e1-33f5ed19883c