Secure delivery and trusted sellers

Two-Step Verification

Add an extra layer of security to your Oiko.jp account. Two-step verification helps protect your account even if someone knows your password.

Stronger protection for your account

You will need your password and a verification code to sign in on a new device.

Choose a verification method

You can set up one or more methods to receive verification codes.

Additional 2SV settings

Manage your two-step verification preferences and trusted devices.

Trusted devicesManage devices you trust so you do not need to enter a code as often.
Change verification methodUpdate your phone number or switch to a different method.
Lost phone or cannot access your code?Learn how to regain access to your account.
How 2SV works when signing inSee what happens when you sign in from a new device.
Important to know

Keep your backup codes in a safe place.

  • You still use your password to sign in.
  • A code may be required on a new device or browser.
  • Contact support if you lose access to your verification method.

Need more help?

Our support team can help you with your account.

Contact Support