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Prerequisites

  • A WhatsRB Cloud account with an API key
  • A connected WhatsApp Business Account

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1. Get your API key

Log in to the WhatsRB Dashboard and navigate to API Keys. Create a new key and copy it.

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2. Send a message

curl -X POST https://whatsrb.com/api/v1/business_accounts/:id/messages \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+33612345678",
    "type": "text",
    "text": "Hello from WhatsRB!"
  }'

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3. Check delivery status

Message statuses are delivered via webhooks. You’ll receive events for sent, delivered, read, and failed.

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Next steps

Authentication

Learn about API key management and scopes.

Templates

Send pre-approved message templates.