# Breez SDK - Spark

## About Breez SDK - Spark

- [About Breez SDK - Spark](guide/about_breez_sdk_spark.md)

## Getting started

- [Getting started](guide/getting_started.md)
- [Installing the SDK](guide/install.md)
- [Testing and development](guide/testing.md)
- [Initializing the SDK](guide/initializing.md)
- [Getting the SDK info](guide/get_info.md)
- [Listening to events](guide/events.md)
- [Adding logging](guide/logging.md)
- [Spark status](guide/spark_status.md)

## Payment fundamentals

- [Payment fundamentals](guide/payments.md)
- [Parsing inputs](guide/parse.md)
- [Receiving payments](guide/receive_payment.md)
- [Sending payments](guide/send_payment.md)
- [Listing payments](guide/list_payments.md)
- [Claiming on-chain deposits](guide/onchain_claims.md)

## Using LNURL and Lightning addresses

- [Using LNURL and Lightning addresses](guide/lnurl.md)
- [Sending payments using LNURL-Pay/Lightning address](guide/lnurl_pay.md)
- [Managing contacts](guide/contacts.md)
- [Receiving payments using LNURL-Pay/Lightning address](guide/receive_lnurl_pay.md)
- [Receiving payments using LNURL-Withdraw](guide/lnurl_withdraw.md)
- [Using LNURL-Auth](guide/lnurl_auth.md)

## Passkey login

- [Passkey login](guide/passkey.md)
- [Setup](guide/passkey_setup.md)
- [Onboarding](guide/passkey_onboarding.md)
- [Credential metadata](guide/passkey_credential_metadata.md)
- [Managing labels](guide/passkey_labels.md)
- [PRF providers](guide/passkey_prf_providers.md)

## Stable balance

- [Stable balance](guide/stable_balance.md)

## User settings

- [User settings](guide/user_settings.md)

## Signing and verifying messages

- [Signing and verifying messages](guide/messages.md)

## Supporting fiat currencies

- [Supporting fiat currencies](guide/fiat_currencies.md)

## Buying Bitcoin

- [Buying Bitcoin](guide/buy_bitcoin.md)

## End-user fees

- [End-user fees](guide/end-user_fees.md)

## Handling tokens

- [Handling tokens](guide/tokens.md)
- [Token payments](guide/token_payments.md)
- [Converting tokens](guide/token_conversion.md)
- [Issuing tokens](guide/issuing_tokens.md)

## Advanced features

- [Advanced features](guide/advanced.md)
- [Custom configuration](guide/config.md)
- [Custom leaf optimization](guide/optimize.md)
- [Conditional Payments](guide/htlcs.md)
- [Using an External Signer](guide/external_signer.md)
- [Managing webhooks](guide/webhooks.md)
- [Server mode](guide/server_mode.md)
- [Client signing](guide/client_signing.md)
- [Using Turnkey](guide/turnkey.md)
- [Send USDC/USDT](guide/cross_chain.md)
- [Unilateral exit](guide/unilateral_exit.md)

## Moving to production

- [Moving to production](guide/moving_to_production.md)

## Overview

- [Overview](guide/uxguide.md)

## Login & backup

- [Login & backup](guide/uxguide_login.md)

## Displaying payments

- [Displaying payments](guide/uxguide_display.md)

## Receiving payments

- [Receiving payments](guide/uxguide_receive.md)

## Sending payments

- [Sending payments](guide/uxguide_send.md)