Yes, Monetra was one of the first applications to successfully undergo a PA-DSS (v1.1) security-validation. Please see the references below regarding the various versions of Monetra and PA-DSS compliance.

Note: On October 01, 2008 the voluntary, Visa-run, PABP program was replaced by the mandatory PA-DSS (Payment Application Data Security Standard).

On Oct, 01 2008 Monetra gained PA-DSS validation from IBM ISS, our PA-QSA accredited auditor.

You can find the latest documentation for Monetra's security validations here.