> ## 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.

# Set transaction travel rule message ID

> Associates a Travel Rule Message ID with a Fireblocks transaction. This links the TRM compliance data to the blockchain transaction.



## API Specification

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