> For the complete documentation index, see [llms.txt](https://docs.wheelx.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wheelx.fi/features/overview.md).

# Overview

Explore the capabilities that power WheelX transactions, integrations, and payment flows. This section covers the execution engine, smart-contract architecture, network support, token coverage, and user-facing transaction features.

### Start by Goal

* **Build address-based payment and settlement flows** — [WheelX Payment](/features/wheelx-payment.md): Generate payment addresses and monitor cross-chain payment execution.
* **Review protocol architecture and deployments** — [Smart Contracts](/features/smart-contracts.md): Explore contract design, architecture, and deployment addresses.
* **Understand route selection** — [AI Route Optimization](/features/ai-route-optimization.md): Learn how WheelX evaluates and optimizes transaction routes.
* **Compare available execution providers** — [Multi-Router Quote Comparison](/features/multi-router-quote-comparison.md): Review quote comparison and route-selection modes.
* **Understand transaction costs** — [Gas Fee Estimation](/features/gas-fee-estimation.md): See how fees are estimated across routes and networks.
* **Check network availability** — [Supported Chains](/features/supported-chains.md): Review supported blockchain networks and native assets.
* **Check asset availability** — [Supported Tokens](/features/supported-tokens.md): Review supported crypto assets, stablecoins, tokenized assets, and other markets.