This API is used to cancel updating a stack.

POST /v1/{project_id}/stacks/{stack_name}/{stack_id}/actions

For details about the parameters, see Table 1.

**Table 1** Parameter description
Parameter	Type	Mandatory	Description
project_id	String	Yes	Specifies the project ID.
stack_name	String	Yes	Specifies the stack name.
stack_id	String	Yes	Specifies the stack UUID.

Parameter	In	Type	Mandatory	Description
cancel_update	body	Object	Yes	Cancels updating a stack.

This operation does not return the response body.

POST /v1/95d02433133a4c0a87ba6967474a2ad3/stacks/HeatStack/c89c4bb3-96cb-4a55-aafa-076a7939a306/actions
{
    "cancel_update": null
}

None

**Table 2** Normal return code
Return Code	Type	Description
200	OK	Request was successful.

**Table 3** Error return code
Return Code	Type	Description
400	Bad Request	The server failed to process the request.
401	Unauthorized	Authorization failed.
404	Not found	The requested resources are not found.

Canceling Stack Updates