Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"B",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"a1f0b180-644d-3372-a44f-fb09f16591b4",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTBjMWI1ODRmMTM5ODdiNDY2MTM5Mjg1YjJmM2YyOGRmNjc4NzEyM2QwYjMyMjgzZDg3OTRlMzM3NGUyMyJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/a1f0b180-644d-3372-a44f-fb09f16591b4

{
  "name": "B",
  "uuid": "a1f0b180-644d-3372-a44f-fb09f16591b4",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTBjMWI1ODRmMTM5ODdiNDY2MTM5Mjg1YjJmM2YyOGRmNjc4NzEyM2QwYjMyMjgzZDg3OTRlMzM3NGUyMyJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/50c1b584f13987b466139285b2f3f28df6787123d0b32283d8794e3374e23"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"B\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"a1f0b180-644d-3372-a44f-fb09f16591b4\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNTBjMWI1ODRmMTM5ODdiNDY2MTM5Mjg1YjJmM2YyOGRmNjc4NzEyM2QwYjMyMjgzZDg3OTRlMzM3NGUyMyJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/a1f0b180-644d-3372-a44f-fb09f16591b4