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

# Freeze a transaction

> Freezes a transaction by ID.

Usually used for AML integrations when the incoming funds should be quarantined.
For account based assets - the entire amount of the transaction is frozen 
For UTXO based assets - all UTXOs of the specified transaction are frozen
Endpoint Permission: Admin, Non-Signing Admin.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://developers.fireblocks.com/llms.txt).