Contact
Tell us what is not working.
Product questions, billing, campus pilots, or a certificate correction — a human reads every message.
Business details
Guofeng He
Available on request.
For campus programs
Include your institution, program size, and the outcome you need to report. We will send a pilot scope and a sample cohort report.
Corrections
If a certificate price, eligibility rule, or exam detail is wrong, send the official source link. We version every taxonomy change.