x-search is useful when an agent needs the same public-post question answered again later. Save a query for a brand, topic, or phrase, then send it again on the next check with the same language and max_results choices.

The route returns post text, timestamps, public metrics, and author fields. It uses read-only X API v2 search when available and excludes retweets by default. If that upstream cannot answer, the same tweets array carries clearly labeled public-index results instead of an empty result being presented as a successful search.

The listing now calls this saved-query monitoring job out directly. Price, schema, and the read-only boundary are unchanged: it doesn't post, reply, like, follow, or alter an X account.