> ## Documentation Index
> Fetch the complete documentation index at: https://circle-devdocs-test-ai-codegen-component.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Cancel a transaction

> Cancels a specified transaction from a developer-controlled wallet. Gas fees may still be incurred. 
This is a best-effort operation, it won't be effective if the original transaction has already been processed by the blockchain.