Author
Esteban Wesson
product lead at Ciarem
Leads product at Ciarem. Writes and reviews the guides on WhatsApp accounts, messaging rules and AI agents, and corrects them whenever Meta changes a name, a price or a limit.
Guides by Esteban Wesson
- WhatsApp accounts, names & setup
Meta Business Manager Renamed Business Portfolio in 2024
Meta officially renamed Business Manager to Business Portfolio in 2024. Nothing moved: what the portfolio is, how it differs from Business Suite, where WhatsApp lives.
Esteban Wesson - WhatsApp accounts, names & setup
Meta Business Portfolio vs WhatsApp Business Account
Meta Business Portfolio, WhatsApp Business Account, and phone number are not competing options, they are nested layers. Here is each one and where it appears.
Esteban Wesson - WhatsApp accounts, names & setup
What Is a BSP (WhatsApp Business Solution Provider) and Do You Need One?
A BSP is a Meta-approved provider that gives you access to the WhatsApp API plus the software to use it. Here is what they do and whether you need one.
Esteban Wesson - WhatsApp accounts, names & setup
What Is a WhatsApp Business Account (WABA)?
A WhatsApp Business Account (WABA) is the container that holds your WhatsApp templates, numbers, and limits. Here is what it is and what lives inside it.
Esteban Wesson - WhatsApp accounts, names & setup
WhatsApp Business vs WhatsApp Business API: Which One Do You Need?
The clear difference between the WhatsApp Business app and the WhatsApp Business API, who each is for, and how to choose. No technical background needed.
Esteban Wesson - WhatsApp accounts, names & setup
WhatsApp Coexistence: Use the Business App and the API on the Same Number
Coexistence lets you run the WhatsApp Business app and the API on the same number, with chats synced. What it is, who it helps, and how to turn it on.
Esteban Wesson - WhatsApp accounts, names & setup
WhatsApp for Business: The Complete Guide for Small Businesses
A plain-language guide to WhatsApp for business: the app vs the API, accounts and names explained, what it costs, and how to start. No jargon.
Esteban Wesson - WhatsApp messaging mechanics & rules
WhatsApp 24-Hour Window: How It Works and When It Closes
How the WhatsApp API 24-hour window opens and resets, what Meta charges inside it, the Click-to-WhatsApp free entry point window, and how to reach someone after it closes.
Esteban Wesson - WhatsApp messaging mechanics & rules
WhatsApp Business API Pricing in 2026
Meta charges per delivered message you send. Since October 1, 2026, free-form replies in the 24-hour window are charged after 1,000 free per number a month.
Esteban Wesson - WhatsApp messaging mechanics & rules
WhatsApp Message Templates Explained: Marketing, Utility and Authentication
What WhatsApp message templates are, the three categories (marketing, utility, authentication), why they need approval, and when they cost money.
Esteban Wesson - AI agents & automation
WhatsApp Chatbot: How to Create One Step by Step (2026)
Three ways to run a chatbot on WhatsApp (free in the Business app, with a platform, or built on the API), what Meta allows, and how to set one up with AI.
Esteban Wesson - AI agents & automation
Chatbot vs AI Agent: What Is the Difference?
Three things get called a chatbot: a decision-tree bot, an AI that answers, and an AI agent that acts. Here is the real difference, with examples.
Esteban Wesson - AI agents & automation
How to Have a Reliable AI Agent on WhatsApp
A reliable WhatsApp AI agent answers from your real information, follows your rules, hands off cleanly, and can be verified. Here is what that takes.
Esteban Wesson - AI agents & automation
How to Test a WhatsApp AI Agent Before You Launch It
Test your WhatsApp AI agent with real customer questions before launch: check correctness, rules, and handoff, fix what fails, and keep testing after.
Esteban Wesson - AI agents & automation
Why AI Agents Make Things Up (and How to Stop Yours)
AI models guess when they lack information; that is how a bot invents a price or a policy. Why it happens, and how information, rules, and testing prevent it.
Esteban Wesson - AI agents & automation
Why Steering Your AI Agent Beats Rewriting the Prompt
Rewriting your AI agent's prompt fixes one thing and breaks three. The reliable way to improve it is to adjust specific levers and measure every change.
Esteban Wesson - AI agents & automation
How to Know If Your AI Agent Answers Well
Answering well is not a feeling: it is being correct to your information, following your rules, admitting when it does not know, handing off, and staying in scope. How to check each signal.
Esteban Wesson - AI agents & automation
How to Connect Claude to WhatsApp and Set Up Your AI Agent From the Chat
Connect Ciarem to Claude to set up, test and fine-tune your WhatsApp and Instagram AI agent from the chat. Steps and what it can do.
Esteban Wesson - AI agents & automation
How to Connect ChatGPT to WhatsApp and Set Up Your AI Agent Without Leaving the Chat
Connect Ciarem to ChatGPT to set up and test your WhatsApp and Instagram AI agent, and check your chats and contacts. Step by step.
Esteban Wesson
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