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Send Bulk Messages API

template.json

How it works

Send bulk messages to the phone numbers and at the end send an email.

Set up steps

• Copy template and Paste in n8n (Ctrl+V), or Import From URL
• Configure WAHA API credentials and select it for all WAHA nodes
• Get Webhook URL (production one) from WAHA Trigger node
• Configure your WAHA session to send webhooks with message type to the Webhook URL
• Configure your PostgresSQL credentials and set it to all PostgresSQL nodes
• Configure your SMTP credentials and set it to the Email node
• Run once the migration
• Active your workflow in n8n
• Get Webhook URL from Webhook node

Send request to the endpoint with the following payload:

curl -X POST -H "Content-Type: application/json" -d '[
    {
        "text": "Hi there!",
        "phone": "123123"
    },
        {
        "text": "Hi there!",
        "phone": "123123"
    },
        {
        "text": "Hi there!",
        "phone": "123123"
    },
    {
        "text": "Hi there!",
        "phone": "123123"
    }
]' https://localhost:5000/webhook/11111111-111111-1111-1111-d2ac95896744/messages/{SESSION}/bulk

It’ll send the message to the phone numbers and at the end send an email, and you can check database for the status of the messages.