Notes on AI that actually helps.

What we learn building AI tools for real businesses — written in plain language, with real examples. No hype, no names.

Chatbots & assistants

9 July 2026·5 min read

WhatsApp Business paid messages: the official 2026 pricing from August 1 and October 1, explained

WhatsApp Business pricing changes twice in 2026: from August 1, Meta bills its AI agent at $2 per million tokens; from October 1, service messages sent in the 24-hour window stop being free. What each message will cost, and how SMBs can keep the bill under control.

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Chatbots & assistants

28 June 2026·5 min read

A sales agent that never sleeps: +47% conversion on WhatsApp

An e-commerce brand was losing sales at 11 PM, every night. Here is what happened when an AI agent took the night shift.

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Chatbots & assistants

8 June 2026·5 min read

Hardening an enterprise WhatsApp chatbot: lessons from banking

Building a chatbot is easy. Making it reliable enough for a bank is engineering. Sub-workflows, a QA supervisor agent, and logs you can actually read.

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Chatbots & assistants

20 May 2026·4 min read

You probably don’t need a chatbot

The most requested AI project is often the least valuable one. Start from the process that hurts, not from the technology everyone talks about.

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Chatbots & assistants

14 April 2026·4 min read

Chatbot or AI agent: the difference that changes your budget

They look alike in a demo. In production, one answers and the other works. Choosing wrong is the most common way to waste an AI budget.

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