Blog
Notes from building Replai.
Founder writing on what we're building, what we're learning, and the choices behind the product.
2026-05-16
WhatsApp Business API vs WhatsApp Business App: what small businesses actually need
The official WhatsApp Business API is built for enterprise broadcast. The WhatsApp Business app is built for solo founders. Most small businesses are stuck in the middle — and that's the bracket Replai built for.
Read2026-05-16
WhatsApp chatbot for Shopify stores: what actually works in 2026
Most 'WhatsApp for Shopify' guides assume you'll apply for the WhatsApp Business API. For small Shopify stores, that's the wrong starting point. Here's the realistic setup.
Read2026-05-16
Why we stopped asking customers for an Anthropic API key
We launched Replai on a BYOK model — bring your own API key, we don't mark up your tokens. It was honest. It also gated our actual customers out of the funnel. Here's what we changed and why.
Read2026-05-15
Will WhatsApp ban your number? An honest answer.
We run on Baileys, the unofficial WhatsApp library. Ban risk is real for any tool in this category. Here's what we do to mitigate it, what you should do, and what we can and can't promise.
Read2026-05-12
I built Replai because I was drowning in my own WhatsApp inbox
The first version of Replai was a hack I built to keep my own small business afloat. Then I realised every other small-business owner in SEA had the same problem.
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