Yo Aso

Solo founder from Tokyo 🇯🇵 Building DunnAI —
recovering Stripe payments that Stripe itself can't fix.
One person, one product, competing globally.

What I'm building

A solo attempt to compete globally from Tokyo.

DunnAI
Recover the Stripe payments that Stripe's retries can't fix. DunnAI reads every decline code and sends personalized recovery emails in your brand's voice — automatically. Free until we recover $49 for you.
2026 — present$0/mo

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Recent activity

Why I stopped treating all failed payments the same way

The Stripe decline codes most founders never look at - and what they're actually telling you

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I've now sent 30+ cold outreaches about failed Stripe payments. Here's what I actually learned.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

The moment a payment fails is a relationship moment. Most products treat it like a bug.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.

I sent 10 cold DMs about failed Stripe payments. Here's what actually happened.