> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.0x.org/changelog/2025/3/7/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.0x.org/_mcp/server.

#### 📣 Announcements

* **Reminder**: API v1 will be sunset on **April 11, 2025**. To avoid service disruptions, migrate to v2 before this date. For more information, see the [Migration Guide](https://docs.0x.org/docs/upgrading/overview).

#### New Chains

* **Berachain (80094)**: Now supported in Swap API.
* **Unichain (130)**: Now supported in Swap API.

#### New Liquidity Sources

* **Uniswap v4**: Deployed on all supported networks (Ethereum, Arbitrum, Avalanche, Base, Blast, BNB Chain, Optimism, Polygon, World Chain).
* **Arbitrum:** Added Pancake v2.
* **Base:** Added Balancer v3, Bunni, and DackieSwap.
* **Berachain:** Added Bearswap, Bulla Exchange, BurrBear, Holdstation, Kodiak v2, Kodiak v3, and Memeswap.
* **Ethereum:** Added Ekubo and Swaap.

#### Chores

* **Latency Optimization:** Improved router latency.

> Developer documentation for the 0x API. Embed swaps in your onchain app. Access 10+ million tokens with liquidity from 150+ exchanges with a single API.