Ports Information Service
Service URL
Cboe Options Exchange
https://api-account.cboe.com/cone/account/ports_info/
BZX Options Exchange
https://api-account.cboe.com/opt/account/ports_info/
C2 Exchange
https://api-account.cboe.com/ctwo/account/ports_info/
EDGX Options Exchange
https://api-account.cboe.com/exo/account/ports_info/