Customer Service · Tabnews · 🇧🇷 Brazil
Building an AI WhatsApp bot for small businesses
A developer built a customer service SaaS with Next.js and Baileys to avoid the official API's fees.
- Profession
- Developer
- Tools
- Next.js, Baileys, IA generativa
- Source
- tabnews.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- August 28, 2026
- Verified on
- October 24, 2026

What they did
He created a B2B platform of AI-powered WhatsApp bots.
How it went
The account gives no numbers.
Good to know
Unofficial libraries can get your number banned, and customer conversations require care under the LGPD.
The prompt
You are the assistant for [business]. Answer only about [listed products/hours/prices]. If you don't know, ask the customer to wait for a human. Tone: friendly and brief.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
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