Guild Wars 2

There’s 813 items that can be found on the TP that don’t exist through the API. Most are items added after the release of the game, but there’s also vendor items and recipes/crafted items.

Sample:
5020: Chainmail Chausses
8905: Small Bag of Goods
9641: Recipe: Tray of Lemon Poppy Seed Muffins
9959: Recipe: Corrupted Harbinger
12271: Bottle of Soy Sauce
13007: Major Rune of Holding
19791: Spool of Silk Thread
36056: The Mad Moon
36336: Scythe Staff Skin
37206: Mini Karka
38507: Permanent Hair Stylist Contract
41714: Sentinel’s Axe of Smoldering
41749: Deep Glacial Sky Dye
42402: Mini Molten Firestorm

http://pastebin.com/tTn5qwpa

Event items are also missing, a lot of non-tradable items like our beloved Golem in a box too.