Contact us
Product and account support: support@cert-ace.com. Payment questions: billing@cert-ace.com. Refund requests: refunds@cert-ace.com. Privacy requests: privacy@cert-ace.com. Never send card details or passwords.
Response times
We aim to acknowledge messages within two business days, Monday through Friday, excluding public holidays.
Payment support
The Lemon Squeezy checkout and receipt identify the final total, tax treatment, and payment-support route.
Complaints and escalation
Send a complaint to support@cert-ace.com with the subject “Complaint.”
Content corrections
If a question appears inaccurate, include the exam name, question number, and the part that needs review.