Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"B",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"819422c8-8f72-3e7a-b71f-ea2d6b29e633",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDRjNzExNTcxZTdlMjE0ZWU3OGRmZTRlZTBlMTI2M2I5MjUxNmU0MThkZThmYzhmMzI1N2FlMDkwMTQzMSJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/819422c8-8f72-3e7a-b71f-ea2d6b29e633

{
  "name": "B",
  "uuid": "819422c8-8f72-3e7a-b71f-ea2d6b29e633",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDRjNzExNTcxZTdlMjE0ZWU3OGRmZTRlZTBlMTI2M2I5MjUxNmU0MThkZThmYzhmMzI1N2FlMDkwMTQzMSJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/d4c711571e7e214ee78dfe4ee0e1263b92516e418de8fc8f3257ae0901431"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"B\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"819422c8-8f72-3e7a-b71f-ea2d6b29e633\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDRjNzExNTcxZTdlMjE0ZWU3OGRmZTRlZTBlMTI2M2I5MjUxNmU0MThkZThmYzhmMzI1N2FlMDkwMTQzMSJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/819422c8-8f72-3e7a-b71f-ea2d6b29e633