Spaces method and path for this operation:
put /s/{space_id}/api/fleet/proxies/{itemId}
Refer to Spaces for more information.
PUT
/api/fleet/proxies/{itemId}
curl \
--request PUT 'https://localhost:5601/api/fleet/proxies/{itemId}' \
--header "Authorization: $API_KEY" \
--header "Content-Type: application/json" \
--header "kbn-xsrf: string" \
--data '{
"certificate": "string",
"certificate_authorities": "string",
"certificate_key": "string",
"name": "string",
"proxy_headers": {},
"url": "string"
}'