# Haia Trace

## Docs

- [build](https://developers.haia.finance/cli/build.md): Assemble one receipt per operation from a run's events.
- [Overview](https://developers.haia.finance/cli/overview.md): The haia-trace command-line tool.
- [sample](https://developers.haia.finance/cli/sample.md): Assemble receipts from bundled fixtures — the zero-setup first taste.
- [templates](https://developers.haia.finance/cli/templates.md): List the operation templates shipped with the CLI.
- [Operation Receipt](https://developers.haia.finance/concepts/operation-receipt.md): The model behind the verdict — stages, evidence, missing, and exceptions.
- [Introduction](https://developers.haia.finance/index.md): Local-first Operation Receipts for agentic payments.
- [Quickstart](https://developers.haia.finance/quickstart.md): See your first Operation Receipt in under a minute.
- [@usehaia/trace-core](https://developers.haia.finance/sdk/core.md): Contracts and the deterministic receipt assembler.
- [@usehaia/trace-x402](https://developers.haia.finance/sdk/x402.md): Capture adapter for the x402 payment SDK.