✉ Mon–Fri · 10:00–18:00 CET
Get in touch with HTK
We're here for courses, labs, billing questions, and partnership enquiries.
Target: within 24 business hours (Mon–Fri, 10:00–18:00 CET)
Course & Lab Questions
Ask about prerequisites, difficulty levels, time requirements, and technical setup.
Billing & Account Support
Refund requests, license questions, certificate issues, or payment problems.
⚑ Direct support
We're here to help
Target: within 24 business hours (Mon–Fri, 10:00–18:00 CET); may extend to 48 hours during peak periods. For account or access issues, include your Order ID and the course or path name.
- Email:support@hacktheknowledge.com
- Hours:Mon–Fri, 10:00–18:00 CET
- Response guarantee:24 business hours
- Peak period:May extend to 48 hours
Target: within 24 business hours
Mon–Fri, 10:00–18:00 CET. May extend to 48 hours during peak periods.
Send us a message
Account / access issue? Include your Order ID and course name.
? Questions answered
Contact Frequently Asked Questions
Fast answers for support, billing, and partnership questions.