Talk to the people who built it.
No ticket queue and no bot pretending to be a person. Write what you sell and what you are trying to fix — you get a real answer, usually the same day.
One business day
That is the promise. Most replies land within a couple of hours during European working hours.
support@onyxcheckout.com
Prefer your own mail client? Write directly — it reaches the same place.
Already a customer?
The guides inside your dashboard cover setup, tracking and what to check when something looks wrong.
Moving an existing store?
Tell us what you use today. If Onyx is the wrong fit for your case, we will say so.