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Plain-language guides to WhatsApp, Instagram, and AI agents for your business. No jargon.
Featured guide
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 Wesson6 min read
In this guide
- 01The first fork: the app or the platform
- 02The nesting dolls: Portfolio, Account, and phone number
- 03Who actually runs the API: the provider (BSP)
- 04How messaging actually works
- 05What it costs
- 06Verification and the green checkmark
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 WessonMeta 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 WessonWhat 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 WessonWhat 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 WessonWhatsApp 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 WessonWhatsApp 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 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 WessonWhatsApp 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 WessonWhatsApp 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
Instagram for business
Instagram for Business: The Complete Guide
Instagram for business, explained simply: the account you need, how DMs and automation work, comment-to-DM, and how to turn Instagram into a sales channel.
Julian OrtizInstagram Business vs Creator: Differences and How to Switch
The difference between Creator and Business Instagram accounts: what each unlocks, which one lets you automate DMs, and how to switch for free.
Julian OrtizInstagram DM Automation: Limits, Bans, and How to Stay Safe
What Meta allows for Instagram auto-DMs, the limits that get accounts restricted, and how comment-to-DM and an AI agent reply to people who actually messaged you.
Julian OrtizInstagram Comment-to-DM: Turn Comments Into Conversations
Comment-to-DM on Instagram, explained: how to auto-send a private DM when someone comments a keyword, what Meta allows, and how to make it actually convert.
Julian Ortiz
Messenger for business
Facebook Messenger for Business: How It Works
Messenger for business explained: the Page inbox vs the Messenger API, the 24-hour window, message tags, and what it costs. In plain language.
Julian OrtizMessenger vs WhatsApp for Business: Which One Do You Need?
Messenger and WhatsApp solve different problems: one lives on your Facebook Page and its ads, the other on a phone number. How to choose, or run both.
Julian Ortiz
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 WessonChatbot 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 WessonHow 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 WessonHow 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 WessonWhy 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 WessonWhy 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 WessonHow 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 WessonHow 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 WessonHow 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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