Details - HeadDB

Warning: The UUIDs are not real.

Command

/give @p skull 1 3 {display:{Name:"G",Lore:["Skull from HeadDB.org"]},SkullOwner:{Id:"bcab7588-8caa-39cc-b7a2-986ccdaeda0f",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDNjOWY4YTc0Y2EwMWJhOGM1NGRlMWVkYzgyZTFmYzA3YTgzOTIzZTY2NTc0YjZmZmU2MDY5MTkyNDBjNiJ9fX0="}]}}}

API Usage

GET https://headdb.org/api/head/bcab7588-8caa-39cc-b7a2-986ccdaeda0f

{
  "name": "G",
  "uuid": "bcab7588-8caa-39cc-b7a2-986ccdaeda0f",
  "value": "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDNjOWY4YTc0Y2EwMWJhOGM1NGRlMWVkYzgyZTFmYzA3YTgzOTIzZTY2NTc0YjZmZmU2MDY5MTkyNDBjNiJ9fX0=",
  "valueDecoded": {
    "textures": {
      "SKIN": {
        "url": "http://textures.minecraft.net/texture/d3c9f8a74ca01ba8c54de1edc82e1fc07a83923e66574b6ffe606919240c6"
      }
    }
  },
  "command": "/give @p skull 1 3 {display:{Name:\"G\",Lore:[\"Skull from HeadDB.org\"]},SkullOwner:{Id:\"bcab7588-8caa-39cc-b7a2-986ccdaeda0f\",Properties:{textures:[{Value:\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZDNjOWY4YTc0Y2EwMWJhOGM1NGRlMWVkYzgyZTFmYzA3YTgzOTIzZTY2NTc0YjZmZmU2MDY5MTkyNDBjNiJ9fX0=\"}]}}}"
}

Minecraft Head Database

GET https://headdb.org/api/head/bcab7588-8caa-39cc-b7a2-986ccdaeda0f