From WHMCS Documentation
[edit] Supported Features
| Register
| Transfer
| Renew
| Registrar Lock
| Update Nameservers
|
| Yes
| Yes
| Yes
| No
| Yes
|
| Update WHOIS
| Get EPP Code
| Register Nameservers
| DNS Record Management
| Email Forwarding
|
| Yes
| No
| No
| No
| No
|
OnlineNIC uses port 20001 to communicate via it's API. A common problem is a firewall blocking this port and therefore blocking communication so if you are having connection issues, check this first.
For a list of error codes and reasons for the OnlineNIC API, refer to OnlineNIC Errors
