# Guides

End-to-end guides for XOXNO's swap aggregation, transaction relaying, and real-time blockchain data services. These guides cover complete workflows, not individual endpoints — start here before consulting the API reference.

## Guides

| Guide                                                                                   | Description                                                                                                    |
| --------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------- |
| [System Architecture](https://docs.xoxno.com/developers/guides/system-architecture)     | How arb-algo, mx-relayer, and mx-notifier fit together: protocols, data flows, and operational characteristics |
| [Transaction Lifecycle](https://docs.xoxno.com/developers/guides/transaction-lifecycle) | Complete walkthrough of a swap from quote to on-chain confirmation, including error handling at every step     |
| [Quickstart](https://docs.xoxno.com/developers/guides/quickstart)                       | Get from zero to a working swap integration in under 5 minutes                                                 |
| [Gas Optimization](https://docs.xoxno.com/developers/guides/gas-optimization)           | Use real-time gas statistics to minimize cost and maximize confirmation speed                                  |

## API Reference

For endpoint-level documentation:

* [Aggregator API](https://docs.xoxno.com/developers/aggregator-api) — Quote, pair config, and health endpoints
* [Relayer WebSocket API](https://docs.xoxno.com/developers/relayer-api) — Gas stats, account subscriptions, relaying, broadcasting
* [Notifier](https://docs.xoxno.com/developers/notifier) — Internal blockchain event distribution