Spaces method and path for this operation:
post /s/{space_id}/api/alerting/rule/{rule_id}/alert/{alert_id}/_mute
Refer to Spaces for more information.
POST /api/alerting/rule/{rule_id}/alert/{alert_id}/_mute
curl \ --request POST 'https://localhost:5601/api/alerting/rule/{rule_id}/alert/{alert_id}/_mute' \ --header "Authorization: $API_KEY" \ --header "kbn-xsrf: true"