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.
[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
200
The response is of type object
.