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The Comodo APIs may be accessed with a SOAP client. For example, see the demo python client contributed by Jason Phelps from the University of Texas and the C# sample below.


Email support for the API is available at, Monday through Friday, 4 AM - 8 PM Eastern Time. See the Certificate Service support page for a detailed listing of all support options. You may need to also copy your request to; see 'Known Issues' below.


  • -14 = An unknown error occurred! Check that the login_uri customerLoginUri parameter of your authData object is set to 'InCommon'.
  • -32 = The two phrase should be the same! Check your revocation phrase ('phrase' parameter). It appears that it cannot be left as empty string.
  • -37 - (Undocumented). This has been confirmed to be a bug by Comodo support. See 'Known Issues', below.