Your registered email address is the primary way we identify your account and share important updates with you. This article shows you how to check which email is linked to your account, and what to do if you need to recover or update it.
How Do I Check My Registered Email Address on KAST?
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What If I Can’t Log In or Forgot My Email?
If you can’t remember which email you used:
- Search inboxes: Look through all your email accounts for past messages from KAST (like welcome emails, updates, or payment receipts).
- Check linked accounts: If you signed up with Google or Apple, try logging in using those options instead of typing an email.
- Log in with phone number: You can always sign in using your registered phone number instead of your email. Once signed in, you can check your registered email by following the above steps.
- Contact Concierge: If you still can’t identify it, reach out to KAST Concierge. For security, you may be asked to verify your identity before we share account information.
How Do I Update or Change My Email Address?
If you need to update or change the email address linked to your KAST account, you’ll need assistance from KAST Concierge for security verification. Our team will help confirm your identity and process the change safely. For a detailed walkthrough, check out our guide on how to update your KAST email address.
Frequently Asked Questions
Can I register multiple email addresses with my KAST account?
No. Each KAST account can only have one registered email at a time. This helps keep your account secure and prevents confusion with login or notifications.
Will changing my email affect my transaction history or account balance?
No. Updating your email only changes where communications are sent. Your transaction history, balances, and account activity remain unchanged.
Can I use a work or school email for my KAST account?
Yes, you can use a work or school email for your KAST account, but it’s better to use a personal email you’ll always have access to when signing up in the KAST app. Work or school addresses may expire if you leave your company or institution, which could make account access and recovery more difficult.
Can I switch back to my old email after updating it?
Yes. If you regain access to your old email, you can contact Concierge again to request switching back. You’ll still need to go through the same verification steps.
How long does it take for my email update to be processed?
Most requests are processed within 1–2 business days. In cases where extra verification is needed, it may take slightly longer.
What happens if I lose access to both my old and new email?
Contact Concierge right away. You’ll need to pass stricter identity checks to recover access and register a new valid email.