> For the complete documentation index, see [llms.txt](https://docs.cheesecakelabs.com/stellar-plus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cheesecakelabs.com/stellar-plus/reference/core/pipelines/fee-bump.md).

# Fee Bump

<figure><img src="/files/yKKsV3QPgb1e37n60fI4" alt="" width="563"><figcaption></figcaption></figure>

## Input

```typescript
type FeeBumpPipelineInput = {
  innerTransaction: Transaction
  feeBumpHeader: FeeBumpHeader
}
```

* **innerTransaction**: A stellar transaction object to be wrapped into a fee bump.
* **feeBumpHeader**: A header containing information about the source account, fee, and signers for the fee bump.

## Output

```typescript
type FeeBumpPipelineOutput = FeeBumpTransaction
```

The output provides the wrapped fee bump transaction.