We believe the world is more beautiful
when a product has a soul behind it.
There's a kind of product you can feel the moment you use it.
Not because it has more features, or better funding.
But because someone made every decision themselves.
Someone who rewrote the error message at midnight because the old one sounded cold.
Someone who cares, genuinely, whether you stay.
Those products are rare. And they're worth protecting.
But here's what happens as a business grows.
Billing becomes infrastructure.
Something to configure once, and forget.
Stripe handles it. Set your retries. Move on.
And so the moment a payment fails —
one of the most important moments in a customer relationship —
becomes a machine event.
A retry fires. A generic email goes out.
The customer who loved your product
gets a message that sounds like it came from no one.
Because, in a way, it did.
Small teams are different.
You know why you built this.
You know exactly who your customers are.
You know what it means when one of them disappears.
The problem isn't that you don't care.
The problem is that the tools don't let you show it.
That gap — between who you are as a builder
and what your customer experiences at that moment —
is what DunnAI exists to close.
So we built this.
DunnAI reads why each payment failed.
Not just that it failed — why.
Expired card. Changed number. Insufficient funds.
Each one deserves a different message.
Nine personas. 540 variants.
You choose the voice that fits your brand.
DunnAI delivers it at exactly the right moment —
while you're busy building the next thing.
We believe how you show up when things go wrong
is who you are as a company.
Big teams automate that moment and move on.
Small teams — the ones with soul — can do something different.
They can show up. With the right words.
In a voice that's actually theirs.
That's the world we're building toward.
One failed payment at a time.
— Yo Aso, building DunnAI from Japan