The InChI certification suite is a software package developed and designed to check that your installation of the InChI program has been performed correctly. The programs test your installation against a broad set of structures (which are provided with the Suite).
The cost of the certification suite is US $5000 per year. It can be purchased from the InChI Trust, please contact member-info@InChI-Trust.org
For those with logins, the Certification Suite can be downloaded here.