Secure delivery and trusted sellers

Sign-in Problems

Having trouble signing in to your Oiko.jp account? Try the solutions below to resolve common sign-in issues.

Keep your account secure

Make sure you are using the official Oiko.jp website and never share your password or verification code.

Common sign-in problems

Select the issue that matches what you are experiencing.

I cannot sign in with my email or phoneMake sure you are using the email address or phone number linked to your account.
Incorrect passwordReset your password if you are not sure what it is.Verification code not workingCheck the code and request a new one if it expired.
Browser or app issuesUpdate your browser or app and try again.
My account is temporarily lockedYour account may be locked after too many failed attempts.I cannot access my email or phoneLearn how to update your contact information.

Additional troubleshooting steps

If the issue is not listed above, try these general steps.

1Clear cache and cookies

This can fix issues caused by old or corrupted data.

2Update your browser or app

Use the latest version for the best experience.

3Try a different device or network

If you are on a public network, try another connection.

4Check service status

Make sure there are no ongoing system issues.

Important security reminder

Oiko will never ask you to share your password or verification code.

Need more help?

Our support team can help you with your account.

Contact Support