> ## Documentation Index
> Fetch the complete documentation index at: https://docs.berachain.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Bundlers

> Bundler3: combine supply, borrow, swap, and other Bend actions into a single atomic transaction; gas savings.

Bundlers let you run multiple Bend actions in **one transaction**. You avoid multiple confirmations and pay gas once.

## Bundler implementations

**Bundler3** is Morpho's main bundler and is built into the Morpho UI so you can run complex flows with one action.

## Bundler3 capabilities

With Bundler3 you can:

1. **Combine workflows** — Supply, borrow, swap, and more in a single transaction
2. **Save gas** — One transaction instead of many
3. **Avoid partial failures** — If any step would fail, the whole transaction reverts
4. **Run advanced flows** — Actions that normally need several steps in one go

## Examples

* **One-click leverage**: Convert `$BERA` to `$WETH`, supply as collateral, and borrow `$HONEY` in one transaction
* **Refinancing**: Borrow from one market, repay another, and adjust collateral in one transaction
* **Rebalancing**: Withdraw, swap, and redeposit across markets without waiting for separate confirmations