Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"T",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"ffe0bd5f-15cf-3917-b006-627e9939585a",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNzA4YzllZjNhMzc1MWUyNTRlMmFmMWFkOGI1ZDY2OGNjZjVjNmVjM2VhMjY0MTg3N2NiYTU3NTgwN2QzOSJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/ffe0bd5f-15cf-3917-b006-627e9939585a

{
  "name": "T",
  "uuid": "ffe0bd5f-15cf-3917-b006-627e9939585a",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNzA4YzllZjNhMzc1MWUyNTRlMmFmMWFkOGI1ZDY2OGNjZjVjNmVjM2VhMjY0MTg3N2NiYTU3NTgwN2QzOSJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/708c9ef3a3751e254e2af1ad8b5d668ccf5c6ec3ea2641877cba575807d39"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"T\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"ffe0bd5f-15cf-3917-b006-627e9939585a\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNzA4YzllZjNhMzc1MWUyNTRlMmFmMWFkOGI1ZDY2OGNjZjVjNmVjM2VhMjY0MTg3N2NiYTU3NTgwN2QzOSJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/ffe0bd5f-15cf-3917-b006-627e9939585a