KOMOJU

About KOMOJU

KOMOJU is a Japanese payment gateway specialising in local methods like konbini (convenience-store) payments, alongside cards and wallets.

What KOMOJU supports

Cards, konbini, PayPay and bank transfer for Japan via KOMOJU — one-time payments.

• Payment methods: Konbini, cards, PayPay, bank transfer
• Where it works: Japan (plus Korea and SE Asia methods)
• Billing: one-off payments
• Price: free for every PremiumPress member

Setting up KOMOJU in PremiumPress

Activate the free plugin, then open your theme’s payment settings and add your KOMOJU credentials:

• Secret key — KOMOJU Merchant Settings → Webhooks & API. Used as the Basic-auth username (blank password).
• Webhook secret — KOMOJU Merchant Settings → Webhooks. Add a webhook

JPY amounts are sent as whole yen (no ×100). KOMOJU also supports subscriptions; this gateway handles one-time payments. The plugin requires PremiumPress 12.

KOMOJU plugin FAQ

What do I need to set up KOMOJU in WordPress?

You'll need a KOMOJU account and its Secret key and Webhook secret, which you enter in your PremiumPress theme's payment settings. The plugin itself is free for members.

Does KOMOJU support recurring subscriptions?

KOMOJU handles one-off payments in PremiumPress. If you need recurring billing, choose a gateway shown under the Subscriptions filter on the plugins page.

How does the KOMOJU checkout work?

One-time payments via KOMOJU hosted Sessions, with an authoritative status check and an HMAC-signed webhook.