> For the complete documentation index, see [llms.txt](https://quick-ai.gitbook.io/qai-x402-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://quick-ai.gitbook.io/qai-x402-docs/about/changelog.md).

# Changelog

All notable changes to Quick AI x402 services are documented here. This changelog covers the shared documentation; individual service version bumps are noted per page.

## 2026-06-02

* Initial Gitbook documentation published
* Services documented: Eagle Eye v1.0.0, Quick Signal TA v3.1.0, Quick ZK Auth v1.0.1

## Service roadmaps

### Quick ZK Auth

| Version | Feature                                                        | Status     |
| ------- | -------------------------------------------------------------- | ---------- |
| v1.0.0  | Initial release: Semaphore ZK proof + USDC balance attestation | ✅ Live     |
| v1.0.1  | ERC-8004 envelope, payment binding via `onAfterSettle`         | ✅ Live     |
| v1.1    | Deploy `QuickZKVerifier` contract; real on-chain calldata      | 🚧 Planned |
| v1.2    | Circom range proof for private balance attestation             | 🔮 Future  |

### Eagle Eye

| Version | Feature                                                              | Status |
| ------- | -------------------------------------------------------------------- | ------ |
| v1.0.0  | OFAC SDN + USDC blacklist screening, batch, profile, signed receipts | ✅ Live |

### Quick Signal TA

| Version | Feature                                                 | Status |
| ------- | ------------------------------------------------------- | ------ |
| v3.1.0  | 10 indicators, CoinGecko/CMC fallback chain, GET + POST | ✅ Live |


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