1. Download the Crypto Fills iOS app and complete the "Get Started" step, giving permission for the app to send push notifications
2. Tap the '+' button in the top right, then select the FTX option
3. In FTX, generate read-only API keys in your FTX profile settings
4. Copy and paste your API key and secret into the Crypto Fills app
4a. (Optional) Enter your Subaccount name if these API keys are for a subaccount
5. Tap "Test", and when it succeeds, tap "Save"