Secure delivery and trusted sellers

Verification Codes

Learn about the verification codes Oiko sends, when they are used, and what to do if you do not receive a code.

Extra security for your account

We send verification codes to confirm your identity and help keep your Oiko.jp account safe.

When you will receive a verification code

We may send a code in these situations.

Sign inTo verify it is really you when signing in from a new device or browser.
Reset passwordTo confirm your identity when you reset your password.
Email or phone changesTo verify changes to your registered email or phone number.
Sensitive account actionsTo confirm important changes to your account.

Where is the code sent?

We send the code to your registered email address or phone number.

EmailYou will receive a 6-digit code at your registered email address.
Phone (SMS)You will receive a 6-digit code as a text message to your registered phone number.

Code help

1Code expiryVerification codes expire in 10 minutes for security reasons.2Resend codeIf you do not receive the code, request a new one after 60 seconds.3Incorrect codeCheck the code and enter it exactly as received.4Too many attemptsSeveral incorrect attempts may temporarily lock your account.

Need more help?

Our support team can help you with your account.

Contact Support