> For the complete documentation index, see [llms.txt](https://docs.v12.trade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.v12.trade/build.md).

# Build

- [👩‍💻 Getting Started as a Developer](https://docs.v12.trade/build/getting-started-as-a-developer.md): Welcome to the V12 technical documentation. The pages here contain guides and technical documentation for integrating with the Spark Smart Contracts.
- [Rust Integration Guide](https://docs.v12.trade/build/getting-started-as-a-developer/rust-integration-guide.md): Learn how to use Rust to integrate with the V12 Smart Contracts on Fuel.
- [Fuel and V12 Market Setup Tutorial](https://docs.v12.trade/build/getting-started-as-a-developer/rust-integration-guide/fuel-and-v12-market-setup-tutorial.md)
- [V12 Rust SDK](https://docs.v12.trade/build/getting-started-as-a-developer/rust-integration-guide/v12-rust-sdk.md)
- [TypeScript SDK](https://docs.v12.trade/build/getting-started-as-a-developer/typescript-sdk.md)
- [Data Indexing](https://docs.v12.trade/build/getting-started-as-a-developer/data-indexing.md): Learn how to index data from the Spark Order Book.
- [Envio Indexer Setup Guide](https://docs.v12.trade/build/getting-started-as-a-developer/data-indexing/envio-indexer-setup-guide.md)
- [Indexer Queries](https://docs.v12.trade/build/getting-started-as-a-developer/data-indexing/indexer-queries.md)
- [Connecting to the indexer via WebSocket](https://docs.v12.trade/build/getting-started-as-a-developer/data-indexing/connecting-to-the-indexer-via-websocket.md)
- [Order Book Technical Reference](https://docs.v12.trade/build/getting-started-as-a-developer/order-book-technical-reference.md)


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