---
title: "Cancel Agent Spec execution"
description: "Cancel a running Agent Spec execution. Only executions in\n'running' status can be cancelled.\n"
source: https://flowdrop.io/docs/api/agent-spec/agentSpecCancelExecution
site: FlowDrop documentation
---
# Cancel Agent Spec execution
`POST /agentspec/executions/{id}/cancel`

Cancel a running Agent Spec execution. Only executions in
'running' status can be cancelled.

## Parameters

- `id` · in path · string · required — Execution ID from the runtime

## Responses

- `200` — Execution cancelled successfully (`application/json`: object)
- `404` — Resource not found (`application/json`: ErrorResponse)
- `409` — Execution cannot be cancelled (already completed or failed) (`application/json`: ErrorResponse)
- `500` — Internal server error (`application/json`: ErrorResponse)

*Tags: Agent Spec*