# Deactivate flow version

`POST` `/api/v1/crm-connections/{crm_connection_id}/flows/{flow_id}/deactivate`

Clears the active version of a flow, transitioning it to Obsolete. Returns
204 on success. If the flow has no active version, returns 204 without
making changes.

## Path parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| crm_connection_id | string | yes | UUID of the CRM connection |
| flow_id | string | yes | DurableId of the flow definition |

## Response

`204 No Content` — `application/json`

_No response body._

## Errors

| Status | Description |
|--------|-------------|
| 400 | Bad Request |
| 403 | Forbidden |
| 404 | Not Found |
| 422 | Unprocessable Entity |
| 502 | Bad Gateway |