What you can do with the OpenAI (ChatGPT) integration
Build a ChatGPT-powered WhatsApp bot for your business. Connect your OpenAI API key to Whautomate and the same GPT models behind ChatGPT answer your customers on WhatsApp, Instagram, Messenger, TikTok, Telegram and website live chat, from one shared team inbox.
Since 15 January 2026 the public 1-800-ChatGPT number no longer works on WhatsApp, because Meta's terms now bar general-purpose AI assistants on the WhatsApp Business Platform. Businesses can still use OpenAI models: a GPT assistant that serves your own customers, on your own number, is a business bot and remains allowed. That is what this integration runs.
Train it on your FAQs, price lists and policies, and it answers in the customer's language, transcribes voice notes, reads images, books appointments and classes, updates the contact and hands off to a human when it should. OpenAI is the default provider on Whautomate and the most complete: knowledge base search, web search, voice notes and images all work out of the box.
Key features
ChatGPT for WhatsApp Business
GPT replies on your own WhatsApp Business number through the official Cloud API, with no unofficial WhatsApp Web scripts and no ban risk from them.
ChatGPT Instagram DM bot
Answer Instagram Direct messages from Reels, Stories and ads instantly, and pass qualified leads to your team.
TikTok and Messenger
The same assistant replies on Facebook Messenger and TikTok DMs (TikTok for business accounts outside the US and Europe).
Knowledge base search
Upload PDFs and documents to a vector store. The bot searches them and answers from your content, not guesses.
Voice notes transcribed
Customer voice notes are transcribed automatically so the bot can reply to what was said.
Image understanding
Photos and screenshots are described to the model before it replies.
Books appointments and classes
Built-in tools list services and staff, suggest slots, book, reschedule and cancel appointments, and book class spots.
Function calling
Update contact fields, tags, notes and stage, or call your own webhook for order status, stock and more.
Smart handoff
The bot moves the chat to the unassigned queue or round-robins it to an agent when a person should take over.
Smart AI follow-up
Re-engage customers who went quiet with an AI-written follow-up on every channel.
ChatGPT left WhatsApp. What can businesses still do?
Meta's January 2026 change targeted AI companies offering their assistant to the public through WhatsApp. It did not ban businesses from using AI. What still works:
- Customer support bots that answer questions about your products, services and policies.
- Booking and order bots that schedule appointments, sell classes and take orders.
- Lead qualification on click-to-WhatsApp ads, Instagram and TikTok.
What does not fit the rules is a number whose main purpose is "chat with an AI about anything". Keep your GPT assistant's instructions focused on your business and offer a route to a human.
Which OpenAI model should you use?
Whautomate loads the list of models your OpenAI key can use, so the newest GPT releases appear without waiting for an update. The default is GPT-4.1 mini, a reliable, low-cost choice for customer conversations. Pick a larger or newer GPT model (for example the GPT-6 family) for complex sales and advisory chats, or a smaller one for high-volume FAQs. You pay OpenAI directly per token.
Is a ChatGPT bot allowed on WhatsApp in 2026?
Yes, when the bot serves your own customers. Since 15 January 2026 Meta's WhatsApp Business Solution Terms stop AI providers from offering general-purpose AI assistants on the WhatsApp Business Platform when the AI itself is the main product. That is why public "chat with an AI" numbers were switched off.
A ChatGPT-powered assistant that answers questions about your services, books appointments, qualifies leads and hands off to your team is a business bot: the AI supports your business rather than being the product. That use stays allowed, and it runs on the official WhatsApp Business Platform through Whautomate as a Meta Business Partner, not on the unofficial WhatsApp Web or personal-number scripts that get numbers banned.
Good practice: keep the bot's instructions focused on your business, let customers reach a human, and do not use customer conversations to train a model.
OpenAI vs Claude vs Gemini vs Grok on Whautomate
All four providers run the same chatbot engine, the same booking and handoff tools and the same channels. Where they differ is how they read your documents and whether they understand voice notes:
| Capability | OpenAI (this page) | Claude | Gemini | Grok |
|---|---|---|---|---|
| Knowledge base | Vector search over your files | Files attached in full to each reply (up to 10, keep them focused) | Vector search, text and image embeddings | Vector search (needs an xAI management key) |
| Voice notes from customers | Transcribed | Not supported, replies to the text | Transcribed | Not supported, replies to the text |
| Images from customers | Understood | Understood | Understood | Understood |
| Web search | Yes | Yes | Yes | Yes, plus X (Twitter) search |
| Book appointments and classes | Yes | Yes | Yes | Yes |
| Hand off to a human | Yes | Yes | Yes | Yes |
| Channels | WhatsApp, Instagram, Messenger, TikTok, Telegram, website live chat | |||
You are not locked in. Connect more than one key and choose the provider on each AI step of an automation, for example a fast, low-cost model for first replies and a stronger model for sales conversations.
Sister product
Your GPT assistant handles chat. Let calls in too.
When a customer taps call on your WhatsApp profile, the conversation should keep going.
WhautoVoice is the voice platform built by the Whautomate team. Link it from Integrations and every client record and inbox chat gets a call button, while incoming WhatsApp calls are answered by a voice bot, a queue, a person or an IVR menu.
- Answer and place WhatsApp calls from the same number you chat on
- Voice bot that answers, takes a message or books an appointment
- Call recordings, transcripts and summaries on the client record
- Choose the region where calls and recordings are stored
How to connect OpenAI (ChatGPT) to Whautomate
Get an OpenAI API key
Sign in at platform.openai.com and create an API key.
Connect OpenAI
In Whautomate go to Integrations → OpenAI, open the Configuration tab and paste the key.
Add knowledge sources
Create a vector store and upload your FAQs, PDFs and price lists.
Launch on each channel
Start from an AI template (customer service, lead qualification or appointment booking) or add an AI reply step to any channel's automation.
Why teams pick the OpenAI (ChatGPT) integration
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Learn more
WhatsApp Business API
Send messages, run broadcasts and automate replies on the official Cloud API.
WhatsApp Chatbots
Build no-code WhatsApp chatbots that book appointments and take orders.
Marketing Automation
Automate WhatsApp journeys triggered by behaviour, tags and events.
Omnichannel Team Inbox
One shared inbox for WhatsApp, Instagram, Messenger, TikTok, Telegram and live chat.
WhautoVoice (sister product)
WhatsApp calling, AI voice agents, IVR and call recordings linked to your inbox.
Industry Solutions
WhatsApp automation playbooks for healthcare, fitness, education and more.
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Frequently asked questions
Can I still use ChatGPT on WhatsApp?
The public 1-800-ChatGPT number stopped working on WhatsApp on 15 January 2026. Businesses can still run OpenAI models as their own customer assistant on the WhatsApp Business Platform by connecting an OpenAI API key to a provider like Whautomate.
Do I need an OpenAI account?
Yes. You bring your own OpenAI API key. Whautomate uses it to call the model and you pay OpenAI directly for tokens.
Can the ChatGPT bot answer Instagram DMs too?
Yes. One OpenAI key powers AI replies on WhatsApp, Instagram, Messenger, TikTok, Telegram and website live chat.
Can the AI take actions, not just answer?
Yes. It can book, reschedule and cancel appointments, book classes, update contact fields and tags, hand off to an agent and call your own webhooks.
How do I reduce wrong answers?
Upload your content to a knowledge base so replies are grounded in your documents, write clear instructions about what the bot should not answer, and let it hand off to a human when unsure.
Does it understand voice notes?
Yes. With OpenAI selected, voice notes are transcribed and images are described before the bot replies.
Can I use Claude, Gemini or Grok instead?
Yes. Whautomate also supports Anthropic Claude, Google Gemini or xAI Grok. Connect several keys and choose the provider per automation step.