Should a foreign SaaS price in JPY for the Japanese market?

It's easy to assume "they can just pay in dollars." In practice a Japanese company paying a recurring USD invoice inherits three things, every billing cycle:

• Currency conversion + a moving cost. The yen amount changes with the exchange rate, so budgeting and bookkeeping are never clean.
• A foreign-currency approval step. Many Japanese finance departments route any non-JPY spend through extra internal approval — a recurring annoyance that makes your tool the "difficult" line item.
• The reconciliation work. Matching a fluctuating foreign charge to an internal record is more manual than a clean JPY invoice.

None of these is a hard blocker. Together they make you the vendor finance quietly wishes they could replace with a domestic equivalent.

Since October 2023, Japan runs the インボイス制度 — the qualified-invoice system. To deduct the consumption tax it pays on a purchase, a Japanese business generally needs a 適格請求書 (qualified invoice) carrying the seller's registration number. A foreign company billing in USD with no Japanese registration usually can't issue one.

The practical effect: for a registered Japanese business customer, buying from you can be effectively more expensive than buying from a domestic competitor who issues a proper qualified invoice — because they eat consumption tax they'd otherwise deduct. That's a real money difference, not a preference, and it's invisible to most foreign founders because the concept doesn't exist back home.

Beyond the mechanics, a USD-only price page reads as a statement: this product is built for somewhere else, and Japan is an afterthought. A JPY price — even just displayed alongside the dollar figure — flips that read to "they thought about us." In a market where the trust bar for foreign vendors is already high, that small signal does real work.

You don't need to incorporate in Japan to charge in yen. Common routes:

• Merchant-of-Record (Paddle, Polar, etc.). The MoR sells to the customer as the seller of record, settles JPY, and handles the consumption-tax mechanics — the lightest path to a clean JPY checkout for a foreign company.
• Multi-currency on your processor. Stripe and others support presenting and charging JPY; you settle out in your own currency. This fixes the display + payment friction even if the deeper invoice question remains.
• Display JPY, charge USD (minimum viable). At least showing the yen-equivalent price removes the "do the math myself" friction on the pricing page, even before you change billing.

The right route depends on how much of the Japanese B2B market you're chasing — the qualified-invoice issue matters far more for selling to registered businesses than to individual developers.