Agents on WhatsApp, in practice.
Guides, comparisons and field notes on putting an AI agent or companion on WhatsApp, and keeping it there.

How to put an AI agent on WhatsApp in 2026: every option
Four ways to put an AI agent on WhatsApp in 2026, compared on setup, cost, Meta's AI rule and ban risk, with a decision guide by use case and agent type.

WhatsApp's AI chatbot ban 2026: the rule and where it stands
Since 15 January 2026 Meta bars general-purpose AI assistants from WhatsApp's Business API. The rule, who left, what Italy and the EU did, and what is still open.

OpenAI WhatsApp integration: build a GPT agent in TypeScript
Connect OpenAI to WhatsApp in TypeScript: verify the signed webhook, keep the chat history, call the Responses API and reply with one API call. Full code, Node 22.

Why WhatsApp bans numbers, and how AI agents stay online
WhatsApp bans numbers for spam-like behavior: cold messages, bursts, automation, unofficial apps and reports. What its own rules say and how AI agents stay online.

How to launch an AI companion on WhatsApp in 2026
A step by step plan to launch an AI companion on WhatsApp: the number, persona, onboarding link, memory, safety rules, retention without cold messages, cost.

WhatsApp Business API vs a personal number for AI agents
WhatsApp Business API vs a personal number for an AI agent, side by side: AI policy, templates, the 24-hour window, pricing, limits, groups and ban risk.

n8n WhatsApp AI agent: a production setup, step by step
Build an n8n WhatsApp AI agent that holds up in production: signed webhook, instant 200, duplicate protection, AI Agent node with memory, retried replies, handoff.

WhatsApp API pricing in 2026: what an AI agent costs
WhatsApp API pricing in 2026 for AI agents: Meta's per-message rates by country, provider markups, and a worked 1,000-user example with the model bill.

ChatGPT, Copilot and AI assistants on WhatsApp: what happened
ChatGPT, Copilot and Perplexity left WhatsApp on 15 January 2026. Only ChatGPT is back, in the EEA since 13 July 2026. The dates, the EU order and what it means.

Claude WhatsApp bot: build an agent with the Anthropic API
Build a Claude WhatsApp bot in Python with FastAPI: verify the webhook, give Claude a tool, cache the system prompt and send the reply. Full code for Sonnet 5.5.

Unofficial WhatsApp APIs compared: Baileys, WAHA, Evolution
Baileys, whatsapp-web.js, WAHA, Evolution API, Whapi.Cloud and Green-API compared: license, how they connect, the June 2026 passkey change and who carries the ban.

WhatsApp MCP servers: give Claude or ChatGPT a number
A WhatsApp MCP server lets Claude or ChatGPT read and send messages as tools. The open-source options, the risk to your own account, and a TypeScript build.

OpenClaw on WhatsApp without risking your own number
OpenClaw's WhatsApp channel links your account through Baileys. See why a second number is advised, how to get one, and how to bridge a managed number over HTTP.

Is your AI bot allowed on the WhatsApp Business API?
Under Meta's 2026 terms a support bot is fine and a general-purpose assistant is not. A test with examples, the gray areas, and what happens if Meta rules you out.

WhatsApp number banned? What to do next if it runs a bot
Number banned and it runs a bot? Tell a restriction from a ban, request WhatsApp's in-app review, reach your users another way and avoid a repeat. No unban tricks.

AI companion safety rules in 2026: what builders must do
California SB 243, New York's companion law, the EU AI Act and the FTC study, with dates and sources, turned into a checklist for AI companion builders.

WhatsApp webhook handling: signatures, retries, duplicates
How to handle WhatsApp webhooks for an AI agent: verify the Standard Webhooks signature, answer within 10 seconds, survive retries and dedupe events. TypeScript.

WhatsApp AI agent with memory: history, summaries, facts
whasp's servers keep no messages, so your agent's memory is yours to build: a SQLite schema, a recent-turns window, rolling summaries and long-term facts, in TypeScript.

How to make an AI agent text like a person on WhatsApp
Prompt rules, WhatsApp's own formatting syntax and TypeScript code that turns a model's Markdown into short, ordered messages that read like a person texting.

Transcribe WhatsApp voice notes and photos in an AI agent
How a WhatsApp AI agent reads voice notes, photos and files: download the 24-hour link, convert and transcribe with gpt-transcribe, caption images, in TypeScript.

wa.me links and QR codes: get users to text your AI agent
How to build a WhatsApp wa.me link with a prefilled message, turn it into a QR code, and tell which user wrote in, with working TypeScript and the whasp API.

How many WhatsApp numbers does your AI agent need?
Work out how many WhatsApp numbers an AI agent needs: the limits per number, a three-part formula, worked examples with costs, routing and Business API tiers.

How to warm up a new WhatsApp number for a bot: what works
WhatsApp publishes no warm-up schedule. What its own paper implies, what vendors and builders try, what fails, and a ramp for an agent whose users write first.

WhatsApp error 463 and the reachout timelock, explained
WhatsApp error 463 means the account is under a reachout timelock that blocks messages to new contacts. What WhatsApp confirms, what developers found, what helps.

WhatsApp vs Telegram vs iMessage for AI agents in 2026
WhatsApp, Telegram or iMessage for an AI agent? Users, country splits, bot rules, costs and limits compared with 2026 sources, and a verdict by audience.

Why AI companions are moving from apps to WhatsApp
AI companions are moving to WhatsApp for reach and retention: 3 billion monthly users, app retention data, Luzia's path, and what Meta's 2026 rule changed.

12 WhatsApp AI agent use cases that work, with examples
Twelve AI agents that fit WhatsApp, each with a short example chat and the one thing to get right. Every one starts with the user, so none needs cold outreach.

WhatsApp chatbot vs AI agent: what is the difference?
A WhatsApp chatbot follows scripted menus and rules; an AI agent reasons, calls tools and remembers. The differences, what each needs, and how Meta's rules apply.

How to move users to a new WhatsApp number after a ban
WhatsApp banned your agent's number: chats do not move and the new number cannot write first. A playbook with webhook code to move users and restore history.

WhatsApp opt-out and consent: rules for AI agents in 2026
How to handle STOP, consent and AI disclosure for a WhatsApp AI agent: GDPR, the EU AI Act, Brazil's LGPD, WhatsApp's policies and the CNIL's 2026 note.