Business and Sales · Tabnews · 🇧🇷 Brazil
Automate the WhatsApp sales funnel with PIX payments
A developer automated customer service and billing on WhatsApp to stop losing customers to slow replies.
- Profession
- Developer, Salesperson
- Tools
- FastAPI, Redis, Mercado Pago
- Source
- tabnews.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- May 24, 2026
- Verified on
- October 24, 2026

What they did
Built bots that respond, qualify leads and generate PIX charges through Mercado Pago.
How it went
The account gives no numbers.
Good to know
Use the official WhatsApp API when possible; store customer data securely (LGPD).
The prompt
Design the WhatsApp service flow for [business]: greeting, 3 qualifying questions, offer, sending the PIX payment, and a follow-up after 24h. Write each message in 2 sentences or fewer.
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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