Before you enable Paycom for your customers, please keep in mind that they will need to pay a fee to get a Client ID and Client Secret from Paycom.
The end user will also need to allowlist Merge's IP Addresses in Paycom since Paycom only allows specific IP addresses for their API service. Your customers can add the specific IP addresses based on which Merge tenant you are using:
APAC tenant
175.41.134.90
13.250.186.36
EU tenant
13.53.228.73
13.51.75.140
US tenant
44.194.126.11
44.194.4.0
3.232.227.174
3.214.125.237
54.158.121.71
44.193.163.62