FAQ
Can't find your answer? Write to us.
How do I buy a course?
Open the course page and click “Buy this course”. You pay by card through Stripe and get access immediately.
Can I try before buying?
Yes. Some lessons are free previews, and thecode workshop is open to everyone, no account needed.
How long do I have access to a course?
As long as your account exists. You can pick up where you left off.
Can I get a refund?
Yes, for 30 days if you've completed little of the content. See the refund policy.
How do I get a certificate?
Complete all required lessons and pass the quizzes. The certificate is then available as a PDF, with a code anyone can verify.
What does the code editor do?
It runs Python, JavaScript, HTML, CSS, and SQL right in your browser. Your code is not sent to our servers.
Can the AI assistant be wrong?
Yes. It helps you understand a lesson or a mistake, but always double-check its answers.
I forgot my password.
Use “Forgot password” on the sign-in page : a link will be sent to you by email.