# Swap stSTX <> stSTXbtc

With our swap contract, users can seamlessly exchange between the two LSTs offered by StackingDAO. Swaps are always executed at a **1:1 ratio**, since both tokens are backed by the same underlying STX reserve managed by StackingDAO.

The contract can be found here: <https://explorer.hiro.so/txid/SP4SZE494VC2YC5JYG7AYFQ44F5Q4PYV7DVMDPBG.swap-ststx-ststxbtc-v2?chain=mainnet>

**Integrations**

Integration is simple:

* One method swaps stSTX → stSTXbtc
* Another method swaps stSTXbtc → stSTX

When calling the contract, use the following `reserve` parameter: `SP4SZE494VC2YC5JYG7AYFQ44F5Q4PYV7DVMDPBG.reserve-v1`