Events Information
Order Books
Events Information
Provides availability details for options order book events, including contract symbols, underlying assets, and data coverage periods across supported exchanges to track order book activity over time.
GET
Events Information
Authorizations
Query Parameters
[Optional] The exchange(s) for which to retrieve the most current data (comma separated). [Default] All available exchanges.
Only return data for the given pair.
[Optional] If true, endpoint returns all instruments, including delisted ones. [Defaults] false* | true
[Optional] Time format of the timestamps in the return payload. [Defaults] milliseconds | ms* | iso | iso8601 | hr | human_readable