
Is there a coupon when registering for Mercari Japan?
→Yes—when you enter an invite code at sign-up, you’ll instantly receive bonus points that can be used just like cash.

This is the only coupon available at registration; other coupons and campaigns are offered only after you’ve created your account.
So don’t forget to enter the invitation code when signing up—it’s your one chance to start with a bonus!

with the invitation code already copied.
How the Sign-Up Coupon Works
- During the registration process, there’s a field called “Invitation Code”.
- Simply tap to copy the code below and paste it into that field:

🔑 Invitation Code: TNNDMT
(Tap to copy and paste during sign-up)
- Once your registration is complete, the bonus points will be automatically added.
- You can immediately use those points to buy items on Mercari.
Is It Safe to Use an Invitation Code?
Yes. The Mercari invitation system is completely anonymous.
- Your account or personal details are never shared with the person whose code you use.
- The points are granted directly by Mercari, so it’s official and safe.
- Many people simply use codes found online—there’s no risk of “account exposure.”
Why This Coupon Is Especially Helpful for New Users
- Starting with bonus points lowers the cost of your first purchase.
- It’s a quick way to experience Mercari’s huge second-hand marketplace without spending all your own money.
- If you’re new to life in Japan, it’s a smart, risk-free way to try out the app and see how convenient it is.
Final Note
If you were hesitating about whether Mercari Japan offers any sign-up perks, now you know the answer: use the invitation code TNNDMT and get ¥500 points right away.
Don’t miss the chance to make your very first deal on Mercari a little easier and a lot more fun.
👉 Tap the code, paste it during sign-up, and start exploring Mercari Japan today!
with the invitation code already copied.


