Blog da API Oficial do WhatsApp
Guias técnicos sobre a Cloud API da Meta: integração, webhooks, templates, custos e boas práticas para quem desenvolve.
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Catalog and product messages in the WhatsApp Business API
How to connect a Meta catalog to WhatsApp, send single-product, multi-product and catalog messages through the API, and handle the order that reaches your webhook.
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WhatsApp Flows: forms inside the chat
How to build single or multi-screen forms inside WhatsApp with Flows: Flow JSON, sending, endpoint, lifecycle, webhook response and cost.
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Message status in the WhatsApp Business API: sent, delivered, read and failed via webhook
What each WhatsApp Business API message status means, how it arrives via webhook, how to read errors and pricing, and how to store statuses without losing or regressing them.
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How to send a message with the WhatsApp Business API: cURL, Node.js and Python examples
Ready-to-use examples for sending text and template messages with the official WhatsApp Business API in cURL, Node.js and Python, directly or via Vectalk.
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WhatsApp Business API glossary: WABA, Phone Number ID, templates and more
WABA, Messaging account, Phone Number ID, wamid, templates, customer service window, FEP, webhooks, tokens: WhatsApp Business API terms explained on one page.
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WhatsApp Business API display name: rules, approval and rejection
The display name is the business name shown on WhatsApp. Learn Meta’s guidelines, why names get rejected and how to change yours without losing the number.
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Multiple agents on the same WhatsApp number: how it works with the API
How to run several agents on one WhatsApp number: app limits, shared inbox architecture with the official API, routing rules and the role of coexistence.
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Welcome message, away message and business hours on the WhatsApp Business API
The WhatsApp Business API has no built-in away message like the app. Here is how to build welcome, away and business hours replies in your webhook, with code.
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LGPD and WhatsApp: consent, opt-out and best practices for businesses
How Brazil’s data protection law (LGPD) applies to business WhatsApp: legal basis per message type, proof of consent, working opt-out and chat retention.
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Click-to-WhatsApp ads: how to know which ad generated the sale
When someone arrives through a Click-to-WhatsApp ad, the webhook carries the ad ID and a click ID. Here’s how to store them and link them to the sale.