How to setup Guild Wars 2 Account for achievement tracking
1. Sign-in on the account.arena.net website and navigate to Applications section.
Under API Keys section, click New Key button to create a new API key.
Under API Keys section, click New Key button to create a new API key.
2. Select account and progression permissions and click Create API Key.
Copy the generated API key and paste it in the account setup form.
Copy the generated API key and paste it in the account setup form.