> ## Documentation Index
> Fetch the complete documentation index at: https://abstract-pbc.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Handoff

> The optional handoff flag, and why true is refused today.

`handoff` is an optional boolean.
It goes at the top level of a `POST /v1/get_action` body.

| Value | Effect |
| - | - |
| `false`, or absent | The model runs alone. |
| `true` | Refused today. It will let a human operator behind the API take over when a model fails a task. |

The API refuses `true` instead of ignoring it, with HTTP 400 and code `handoff_unavailable`.

A value that is not a boolean returns `invalid_parameter`.


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