Synchronize a domain’s EPP key with the Registry, and optionally email it to the registrant.


Use this command to create a new EPP key, synchronize the key with the Registry, and optionally email it to the registrant.


All resellers have access to this command.

Implementation on

Log on to with Login ID resellid, password resellpw.

On the General Settings page, the Email Auth Code to Registrant link calls the SynchAuthInfo command.


The query must meet the following requirements:

  • The login ID and password must be valid.
  • The domain name must belong to this account.

Input parameters

Build the query string using this syntax:
command=nameofcommand&uid=yourloginid&pw=yourpassword &paramname=paramvalue&nextparamname=nextparamvalue


Parameter Status Description Max Size
UID Required Account login ID 20
PW Required Account password 20
SLD Required Second-level domain name (for example, enom in 63
TLD Required Top-level domain name (extension) 15
EmailEPP Required Should we mail the EPP key to the registrant of this domain name. Permitted values are True and False 5
RunSynchAutoInfo Required Should we synchronize the EPP key for this domain and make sure our records are identical to the Registry’s. Permitted values are True and False. 5
ResponseType Optional Format of response. Permitted values are Text (default), HTML, or XML. 4


Returned parameters and values

Parameter Description
InfoSynched Returns True if EPP key has been synchronized at Registry. This parameter displays when EmailEPP=False
EPPEmailMessage Returns confirmation that EPP key is emailed to registrant. This parameter displays when EmailEPP=True
Command Name of command executed
ErrCount The number of errors if any occurred. If greater than 0, check the Err(1 to ErrCount) values.
ErrX Error messages explaining the failure. These can be presented as-is back to the client.
Done True indicates this entire response has reached you successfully.


  • The default response format is plain text. To receive the response in HTML or XML format, send ResponseType=HTML or ResponseType=XML in your request.
  • Check the return parameter ErrCount. If greater than 0 the transaction failed. The parameter Err(ErrCount) can be presented to the client. Otherwise process the returned parameters as defined above.