> ## 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.

# Execute a payout instruction set

> **Note:** The reference content in this section documents the Payments
Engine endpoint. The Payments Engine endpoints include APIs available only
for customers with Payments Engine enabled on their accounts.

These endpoints are currently in beta and might be subject to
changes.

If you want to learn more about Fireblocks Payments Engine, please
contact your Fireblocks Customer Success Manager or email
CSM@fireblocks.com.

**Execute a payout instruction set.**

The instruction set will be verified and executed.

**Source locking**

If you are executing a payout instruction set from a payment account with an
already active payout the active payout will complete before the new payout
instruction set can be executed.

You cannot execute the same payout instruction set more than once.




## API Specification

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