We publish a substitute list only where a record says what kind of product it is. Market Data API's does not yet, so this page names none. The Dev Utilities category lists every offer we track alongside it.
Current Market Data API Situation
Risk Level:source unconfirmed
Why: When we last read the page we cite for Market Data API, on 2026-10-26, we found the same terms as an earlier read we had declined to record. We are not publishing a stability judgement for it until that is fixed.