2. API Overview
3. 1. About Breez SDK - Liquid
4. 2. Getting started
5. 1. 2.1. Installing the SDK
   2. 2.2. Connecting and disconnecting
   3. 2.3. Fetching the balance
   4. 2.4. Listening to events
   5. 2.5. Adding logging
6. 3. Payment fundamentals
7. 1. 3.1. Receiving payments
   2. 3.2. Sending payments
   3. 3.3. Listing payments
   4. 3.4. Refunding payments
   5. 3.5. Rescanning swaps
8. 4. Sending an on-chain transaction
9. 5. Using LNURL & Lightning addresses
10. 1. 5.1. Sending payments using LNURL-Pay/Lightning address
    2. 5.2. Receiving payments using LNURL-Pay/Lightning address
    3. 5.3. Receiving payments using LNURL-Withdraw
    4. 5.4. Authenticating using LNURL-Auth
11. 6. Supporting fiat currencies
12. 7. Buying Bitcoin
13. 8. End-user fees
14. 9. Connecting an external signer
15. 10. Moving to production
19. Notifications
20. 11. Implementing mobile notifications
21. 12. Setting up an NDS
22. 13. Using webhooks
23. 14. Integrating the plugin
24. 1. 14.1. Android
    2. 1. 14.1.1. Setting up the Foreground Service
       2. 14.1.2. Adding the Notification Plugin
    3. 14.2. iOS
    4. 1. 14.2.1. Setting up the Notification Service Extension
       2. 14.2.2. Adding the Notification Plugin
28. Advanced
29. 15. Adding logging
30. 16. Changing default strings
31. 17. Customising push messages
32. 18. Handling custom notifications