Getting started: your first WhatsApp message in 5 minutes

1. Create your account

1. 1Go to flowapi.pro/signup and sign up with Google or email. The 7-day trial needs no credit card.
2. 2In the console click New instance and give it a name, for example your business name.

2. Link your WhatsApp number

1. 1Open the number and go to Connect.
2. 2On your phone: WhatsApp → Settings → Linked devices → Link a device, and scan the QR code.
3. 3Reading this on the same phone? Use Link with a code instead and type the 8-character code into WhatsApp.
4. 4The screen switches to Connected by itself.

3. Send your first message

Copy your Instance ID and API token from the Credentials tab, then send:

curl -X POST "https://flowapi.pro/waInstance{idInstance}/sendMessage/{apiTokenInstance}" \
  -H "Content-Type: application/json" \
  -d '{"chatId":"972501234567@c.us","message":"Hello from Flow API"}'

4. Receive messages

1. 1Open the Chats tab to read and reply in the browser.
2. 2For automations, paste your webhook URL in Settings, or use the n8n, Zapier or Make integration.

5. Optional: let AI answer for you

Open AI auto-reply, choose Grok, ChatGPT or Claude, paste your key and write what the bot should know. Every incoming message wakes it up.

Questions