> A cached POST response can be reused to satisfy a later GET or HEAD request. In contrast, a POST request cannot be satisfied by a cached POST response because POST is potentially unsafe; see Section 4 of [CACHING].
So if you are using POST to query, you can't cache the response. You have to resort to POST/GET. With QUERY, you have idempotent requests with cacheable responses you can directly return.
So if you are using POST to query, you can't cache the response. You have to resort to POST/GET. With QUERY, you have idempotent requests with cacheable responses you can directly return.