> ## Documentation Index
> Fetch the complete documentation index at: https://blackswan-23965643.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# BlackSwan Changelog: API, SDK, and Protocol Updates

> Release history for BlackSwan. See what was added, changed, or fixed in each version of the REST API, JavaScript SDK, and Python SDK.

This changelog tracks notable additions, changes, and fixes across the BlackSwan REST API, JavaScript SDK, and Python SDK. Entries are listed in reverse chronological order. For a forward-looking view of what's coming next, see the [Roadmap](/protocol/roadmap).

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## v1.0.0

**Initial release** — BlackSwan v1.0.0 ships the full testnet credit infrastructure stack, including a REST API, two SDK clients, and verified smart contract deployments on Polygon Amoy and Ethereum Sepolia.

### REST API

* **Launched** with six endpoints covering the full credit data surface:
  * `GET /credit` — Credit dashboard: trust ratio, tier, and APR in a single call
  * `GET /reputation` — Granular reputation data and on-chain behavioral signals
  * `GET /apr` — APR in basis points for a given wallet address
  * `GET /tier` — Credit tier (A–E) for a given wallet address
  * `GET /history` — Full on-chain loan history including repayment outcomes
  * `GET /health` — API health check endpoint

### JavaScript SDK

* **Released** `blackswan-sdk` on npm with full TypeScript support
* Typed response objects for all SDK methods — no manual ABI parsing required
* First-class **React** and **Next.js** integration patterns
* Named exports `AMOY_CONTRACTS` and `SEPOLIA_CONTRACTS` for direct contract access
* Compatible with **ethers.js** and **viem**

### Python SDK

* **Released** `blackswan-sdk-py` on PyPI supporting **Python 3.8+**
* Async-first design with `asyncio` support
* Integration guides for **FastAPI** and **Flask**
* Pydantic models for all response types

### Network Support

* **Polygon Amoy** testnet — P2PLending and BlackSwansSBT contracts verified
* **Ethereum Sepolia** testnet — P2PLending and BlackSwansSBT contracts verified