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The InCommon API documentation is linked in the last section of this page: https://www.incommon.org/cert/repository/index.html
When you have problems
Error Codes
Basic information about the possible error codes is provided in the Comodo API documentation; but some of the error codes can have multiple causes. Additional anecdotal details are provided here as a community reference.
-14 = An unknown error occurred!
- Check that the login_uri parameter of your authData object is set to 'InCommon'.
-32 = The two phrase should be the same
-32 = The two phrase should be the same!
- Check your revocation phrase ('phrase' parameter). It appears that it cannot be left as empty string.