Get Monster SMS Running
in 30 Minutes

• ☐ Go to app.monstersms.ai/register
• ☐ Enter your full name, business email, and business name
• ☐ Set a password and click Create Free Account
• ☐ Check your inbox for the verification email and confirm
• ☐ Select your industry (used for template suggestions)

You start on the Free plan with 100 messages (one-off sign-up bonus). No credit card required.

• ☐ Navigate to Settings → Phone Numbers
• ☐ Click Add Number and enter your Australian mobile or business number
• ☐ Receive the 6-digit verification code via SMS
• ☐ Enter the code to verify

Importing from Twilio?

Go to Settings → Phone Numbers → Import from Twilio. Enter your Twilio Account SID and Auth Token. Your number transfers immediately. No downtime, no number changes.

• ☐ Go to Contacts in the left sidebar
• ☐ Click Import and select your CSV file
• ☐ Map your CSV columns to Monster SMS fields (phone, name, company, etc.)
• ☐ Review the import preview, confirm numbers are formatted correctly
• ☐ Click Import Contacts

CSV format

At minimum, your CSV needs a phone column with Australian mobile numbers. The smart field mapper handles most formats automatically.

phone,first_name,last_name,company
+61412345678,Sarah,Johnson,Bloom Florist
0412345678,Michael,Chen,Chen Engineering
61498765432,Emma,Williams,Williams Legal

• ☐ Click New Message in the left sidebar
• ☐ Enter your own mobile number as the recipient
• ☐ Type a test message (watch the character counter: 160 chars = 1 credit)
• ☐ Hit Send and confirm delivery on your phone (2-5 seconds)

Example compliant message

Hi Sarah, thanks for joining Bloom Florist! Show this SMS for 10% off your next order. Reply STOP to opt out.

Every commercial SMS must: identify your business, include an opt-out mechanism, and only go to consented recipients. Monster SMS handles STOP/opt-out automatically.

• ☐ Go to Campaigns in the sidebar
• ☐ Click New Campaign
• ☐ Name your campaign (internal only, recipients do not see this)
• ☐ Select recipients: your full list, a segment, or a tag group
• ☐ Write your message. Use merge fields for personalisation: {{first_name}}, {{company}}
• ☐ Choose: Send Now or Schedule for a specific date and time
• ☐ Review the preview (shows exactly what each recipient will see)
• ☐ Click Send Campaign

Merge fields

Hi {{first_name}}, {{company}} is invited to our exclusive event this Friday!
RSVP by replying YES. Reply STOP to unsubscribe.

• ☐ Navigate to AI Agents in the sidebar
• ☐ Click Create New Agent
• ☐ Write your system prompt: describe your business, tone, and what the AI should handle
• ☐ Add FAQs or product details to the knowledge base (optional but recommended)
• ☐ Set operating hours (e.g. handle replies after 6pm and weekends)
• ☐ Assign the agent to your verified phone number
• ☐ Toggle to Active
• ☐ Test it: send an SMS to your number from another phone

Example system prompt

You are the customer service assistant for Bloom Florist, a flower shop
in Brisbane. You are friendly, helpful, and keep replies under 160 characters
when possible.

You can answer questions about:
- Opening hours: Mon-Sat 8am-6pm, Sun 9am-3pm
- Delivery: same-day for orders before 2pm, $15 flat rate within Brisbane
- Popular products: roses, mixed bouquets, orchids, wedding arrangements

For order issues or complaints, collect the customer's name and order number,
then say a team member will call them back within the hour.

Never make up information you are not sure about.

• ☐ Go to Conversations in the sidebar
• ☐ View all inbound and outbound SMS threads in the unified inbox
• ☐ Click into a thread to see the full conversation history
• ☐ Assign threads to team members if needed
• ☐ Use quick-reply templates for common responses

The inbox shows both human and AI-handled conversations. If the AI escalated a thread, it will be flagged for human follow-up.

• ☐ Go to Settings → API Keys
• ☐ Generate a new API key
• ☐ Use the sandbox mode for testing (no credits consumed)
• ☐ Send your first API message
• ☐ Set up webhook callbacks for delivery status updates

Send an SMS via API

curl -X POST https://api.monstersms.ai/v1/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+61412345678",
    "message": "Your order #4521 has shipped! Track at: example.com/track/4521"
  }'

Node.js example

const response = await fetch('https://api.monstersms.ai/v1/send', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${API_KEY}`,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    to: '+61412345678',
    message: 'Your order has shipped!'
  })
});

const result = await response.json();
// { "id": "msg_abc123", "status": "delivered", "credits_used": 1 }