Testing the API status (response code, schema, content maches)

All the static data used in gw2efficiency and it's services

Additional game data that the API does not provide

Calculate the cheapest tree traversal, price and used items of crafting recipes.

Scraping unofficial sites for game information.

Calculate the value of guildwars2 accounts

Nest an array of crafting recipes into a tree.

Calculate the value of guildwars2 items

Parse attributes of items and characters from the official gw2 api

Calculate statistics and distributions of a value across the playerbase