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How I Built a Production WhatsApp AI Assistant for Mexican SMBs with Claude and n8n

In Mexico, WhatsApp isn't a channel — it's the channel. It's where customers ask for prices, book appointments, and decide whether to buy from you or from the competitor who answered faster. And that last part is the problem: most small and medium businesses lose customers simply because nobody replied in time — after hours, during a rush, or while the owner was busy doing the actual work. At Proxxa , the AI automation agency I run in Mexico City, this is the single most common pain we solve. So I want to walk through how I built a production-grade WhatsApp AI assistant that answers, qualifies, and books 24/7 — using Claude and n8n, with no third-party chatbot platform in the middle. Why the WhatsApp Cloud API directly (no BSP) A lot of guides will tell you that you need a BSP (Business Solution Provider) to use the WhatsApp Business API. You don't. Meta's Cloud API is hosted by Meta itself and you can build on it directly. Skipping the BSP means no per-seat middleman tax, full control over the logic, and the client owns their own number and data. The stack n8n (self-hosted on a small VPS via Docker) as the orchestration layer. Claude (Haiku) as the intelligence layer — fast and cheap enough to answer every message. Postgres for conversation memory, a knowledge base, and a lightweight CRM. WhatsApp Cloud API for the messaging. Gemini for transcribing voice notes. The pattern that made it powerful: meta-blocks Instead of bolting on a separate "agent framework," I let Claude emit small structured blocks inside its answer, which a parsing node extracts and strips before sending — to schedule an appointment, escalate to a human, capture a lead, or generate a payment link. The user only ever sees clean text; the system reacts to the blocks. This kept the whole thing debuggable and predictable. With that pattern, the assistant handles eleven capabilities: natural-language conversation, per-customer memory, Google Calendar booking, vision (it reads a photo a customer sends

2026-06-24 原文 →
AI 资讯

Xteink’s tiny e-readers are 20 percent off for Prime Day

The Xteink X4 and smaller X3 e-readers are discounted to $55.20 (regularly $69) and $63.20 (normally $79), respectively, as part of Amazon’s Prime Day promotions this week. Both e-readers are significantly smaller and more pocketable than any of the Kindle and Kobo models currently available, and feature magnetic mounts so they can be stuck to […]

2026-06-24 原文 →
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Prime Day has served up several great deals on 4K TVs

There are three times of year that are best for buying a new TV: leading up to the Super Bowl, Black Friday, and of course now, during Amazon Prime Day. Many of the new 2026 models have been released, and while some will be seeing discounts, the majority of the best deals are going to […]

2026-06-24 原文 →
AI 资讯

Here are the best Prime Day deals on the Verge staff’s favorite stuff

While there are several thousand products discounted for Prime Day 2026, most of them aren’t what we’d call winners. We’ve already gathered the best Prime Day deals in our main roundup, but we’re dedicating this page to discounts on Verge-favorite items to help you find useful gear, whether it’s tech-adjacent or not. We’re covering Prime […]

2026-06-24 原文 →