Everything about the official WhatsApp API
Straight-to-the-point guides on coexistence, bulk messaging, templates, Meta limits, webhooks and automation, written by people who run numbers on the Cloud API every day.
Pricing
WhatsApp Service Message Billing Starts in October 2026
The 1,000 free service messages per number, Meta's charges from October 1, and how to control replies in Frame Conexa.
Coexistence
Coexistence Option Not Showing? Causes and Fixes
Did Meta open new-number signup instead of connecting WhatsApp Business? See why the coexistence option disappears and how to unlock it without losing the app.
Pricing
Is WhatsApp Business Free? App, API and What Meta Charges
The WhatsApp Business app is free, the official API charges per message and coexistence combines the two. See what costs money in each case and when it pays off.
Pricing
WhatsApp API Payment Method: How to Add a Card
Why Meta asks for a card on your WhatsApp Business account, how to add the payment method, and what the number does until then, with error 131042 explained.
Coexistence
WhatsApp Coexistence Disconnected? Causes and How to Fix
Why coexistence between WhatsApp Business and the official API disconnects, what each reason reported by Meta means, and how to reconnect without losing anything.
Bulk messaging
Approved WhatsApp Template: How to Create One and Avoid Rejection
How to create a WhatsApp template Meta approves: the right category, variables, buttons, rejection reasons, ready-to-use examples and what a paused template is.
Bulk messaging
Click to WhatsApp Ads: Leads and the Free 72-Hour Window
How Click to WhatsApp ads work, how to identify ad leads on the official API, and how to use Meta's free 72-hour window.
Official API
Official vs Unofficial WhatsApp API: Risks and Real Costs
Official or unofficial WhatsApp API? An honest comparison of risk, real cost, features, and maintenance, plus what Meta says about each one.
Official API
Official WhatsApp API: What It Is and How It Works (2026)
What the official WhatsApp API (Meta's Cloud API) is, why it exists, what it costs, who can use it, and how to connect your number without losing the app.
Bulk messaging
Bulk WhatsApp Messaging via the Official API, Without Bans
Bulk messaging on WhatsApp is allowed through the official API, with consent and Meta-approved messages. Rules, limits, costs, and step by step.
Official API
WhatsApp 24-Hour Window and Template Categories
How the WhatsApp API 24-hour window works, what you can send outside it, the template categories, and what changes in billing on October 1, 2026.
Blocks and quality
WhatsApp API Errors: 131047, 131026, 131049 and More
A dictionary of WhatsApp API errors: 131047, 131026, 131049, 130472, 133010, and 190. What each code means, whose rule it is, and what to do.
Connect the number you already use to the official WhatsApp API.
No switching numbers, no losing the app and no per-message fee from us. You pay per number; you pay Meta directly.