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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
Illustrative photo: SMB sector

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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