Automate Event Guest Confirmation with OpenClaw: AI Voice Calls at Scale

You are hosting an event -- a dinner party, a wedding, a company offsite, a birthday celebration. You have a guest list of 30 people, and you need to confirm who is actually coming. Texting works sometimes, but people ignore messages. Email gets buried. A real phone call gets a much higher response rate, but manually calling 30 people means hours of phone tag, forgotten responses, and lost details about dietary restrictions or plus-ones.

This OpenClaw workflow automates the entire confirmation process. Your AI agent calls each guest on your list using a friendly, natural voice persona, confirms whether they are attending, collects any notes (dietary needs, plus-ones, arrival time), and compiles everything into a clean summary. You go from "I need to call 30 people" to "here is your confirmed guest list" without picking up the phone once.

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Why Phone Calls Still Matter

In the age of messaging apps, phone calls might seem outdated. But for event confirmations, they are significantly more effective:

• Response rates: Phone calls get 60-80% same-day responses vs 30-40% for text messages
• Completeness: A conversation naturally collects details (dietary needs, plus-ones) that people skip in text replies
• Personal touch: Guests feel more valued when they get a call, even from an AI assistant
• Urgency: A ringing phone demands attention in a way that a text notification does not

The problem is that making 30+ calls is tedious. AI voice solves this by handling the calls at scale while maintaining a natural, friendly tone.

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What You Will Build

An automated guest confirmation system:

1. Guest list input: Provide names, phone numbers, and event details
2. AI voice calls: OpenClaw calls each guest using the SuperCall plugin with a friendly persona
3. Information collection: Each call confirms attendance and gathers notes
4. Summary compilation: A complete report of confirmed, declined, and unreached guests with all collected details

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Skills You Need

Install SuperCall:

openclaw plugins install @xonder/supercall

For more details on OpenClaw plugins and skills, see our skills guide.

Why SuperCall Instead of Built-in Voice?

SuperCall creates a sandboxed voice agent for each call. This matters for guest confirmation because:

• Safety: The person on the call cannot access your main agent, files, or tools through conversation. No risk of prompt injection
• Focused conversations: The AI only knows the event details you provide, so it stays on topic
• Clean resets: Each call starts fresh with no context bleed between guests
• Better call quality: A single-purpose voice agent handles calls more naturally than a general-purpose assistant

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Step-by-Step Setup

Step 1: Configure SuperCall

Follow the SuperCall setup guide to connect your Twilio account, OpenAI API key, and ngrok tunnel. Make sure hooks are enabled in your OpenClaw config.

Test with a single call to your own phone number to verify everything works:

Use supercall to call me at +1XXXXXXXXXX. Have the AI say:
"Hi, this is a test call from your event assistant. Can you hear me clearly?"

If the call comes through and the AI sounds natural, you are ready.

Step 2: Prepare Your Guest List

Format your guest list with names, phone numbers, and any relevant notes:

Guest List -- Summer BBQ, Saturday June 14th, 4 PM, 23 Oak Street

- Sarah Johnson: +15551234567
- Mike Chen: +15559876543
- Rachel Torres: +15555551234
- David Kim: +15558887777
- Emma Williams: +15553334444
- James Rodriguez: +15556667777
- Lisa Park: +15552223333
- Tom Anderson: +15558889999

You can paste this directly in chat or keep it in a file that OpenClaw reads.

Step 3: Configure the Call Persona

The persona determines how the AI sounds and behaves on the call. Customize it for your event:

I need you to confirm attendance for my event. Here are the details:

Event: Summer BBQ
Date: Saturday, June 14th at 4 PM
Location: 23 Oak Street
Host: [Your Name]

For each guest, use supercall to call them. Use the persona "Jamie, event
coordinator for [Your Name]."

The AI should:
- Greet the guest warmly by name
- Mention the event name, date, time, and location
- Ask if they plan to attend
- If yes: ask about dietary restrictions, plus-ones, and estimated arrival time
- If no: acknowledge gracefully and wish them well
- If unsure: note it and suggest they confirm by [deadline]

Keep the tone friendly and conversational, not robotic. Calls should last
1-2 minutes max.

After each call, log the result. Once all calls are done, give me a full summary.

Step 4: Run the Confirmation Calls

OpenClaw calls each guest sequentially. For each call, you get a real-time log:

Calling Sarah Johnson (+15551234567)...
Result: CONFIRMED
- Attending: Yes
- Plus-ones: 1 (husband Mark)
- Dietary: Vegetarian
- Arrival: ~4:15 PM
- Notes: "Looking forward to it!"

Calling Mike Chen (+15559876543)...
Result: CONFIRMED
- Attending: Yes
- Plus-ones: 0
- Dietary: No restrictions
- Arrival: 4 PM sharp
- Notes: "Can I bring a bottle of wine?"

Step 5: Review the Summary

After all calls complete, OpenClaw compiles the final report:

Event Confirmation Summary -- Summer BBQ, June 14th

CONFIRMED (6):
- Sarah Johnson (+1) -- vegetarian, arriving 4:15 PM
- Mike Chen -- no restrictions, bringing wine
- Rachel Torres (+2) -- no restrictions, arriving 4:30 PM
- David Kim -- nut allergy, arriving 4 PM
- Emma Williams -- vegan, arriving 4:15 PM
- Tom Anderson -- no restrictions, arriving 4 PM

DECLINED (1):
- James Rodriguez -- traveling that weekend

NO ANSWER (1):
- Lisa Park -- called at 2:15 PM, no voicemail left

TOTAL HEADCOUNT: 10 (6 confirmed guests + 4 plus-ones)
DIETARY NOTES: 1 vegetarian, 1 vegan, 1 nut allergy

Suggested follow-up: Text Lisa Park to confirm.

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Advanced Configuration

Retry Logic for Missed Calls

Not everyone picks up on the first try. Configure automatic retries:

For guests who do not answer:
1. Try again 2 hours later
2. If still no answer, try once more the next day between 10 AM and 7 PM
3. After 3 attempts, mark as "unreached" and suggest I follow up by text
Never call before 9 AM or after 8 PM in the guest's time zone.

Multilingual Calls

If your guest list spans multiple languages:

These guests prefer French: [names]
These guests prefer Spanish: [names]
Adjust the AI persona language accordingly for each call.

Large Events (50+ Guests)

For larger events, optimize the process:

For this guest list of 75 people:
1. Prioritize VIP guests first (marked with *)
2. Call in batches of 10 with 5-minute breaks between batches
3. Send me a progress update after each batch
4. If I need to pause, I will say "pause calls" and you stop immediately
5. Compile a running summary I can check at any time

Post-Event Follow-Up

Use the same system after your event:

Call everyone who attended the BBQ and thank them for coming.
Keep it short (30 seconds). Mention one specific thing:
- Sarah: "Thanks for the amazing potato salad!"
- Mike: "The wine you brought was perfect"
Personalize each call based on the event notes I give you.

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Cost Breakdown

Understanding the costs before making 30+ calls:

Compare this to your time: if you value your time at $50/hour and each manual call takes 5 minutes (including phone tag), 30 calls cost you $125 in time. The AI version costs $4.50 and zero minutes of your time.

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Tips for Great AI Calls

1. Test with 2-3 guests first. Listen to the call recordings (logged in ~/clawd/supercall-logs) and adjust the persona before calling the full list.

2. Keep the opening line warm and specific. "Hi Sarah, this is Jamie calling about the BBQ on the 14th" sounds natural. "Hello, I am calling regarding an upcoming event" sounds robotic.

3. Set appropriate calling hours. Weekday evenings (5-8 PM) and weekend mornings (10 AM - 12 PM) get the best answer rates.

4. Prepare for common questions. Guests may ask about parking, what to bring, or the dress code. Include this in the persona context so the AI can answer.

5. Review transcripts after the first batch. SuperCall logs full transcripts. Read them to catch any awkward moments or missed information, then adjust the persona.

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How ClawRapid Makes This Easier

Setting up SuperCall, Twilio, and ngrok involves several configuration steps. ClawRapid streamlines the deployment:

• OpenClaw instance ready for plugin installation
• Telegram/Discord pre-connected for receiving summaries
• Memory system active for storing guest list and call results
• Environment configured for running background call processes

Deploy your OpenClaw with ClawRapid and start confirming guests faster.

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FAQ

Do guests know they are talking to an AI? The AI identifies itself with the persona name you set (e.g., "Jamie, event coordinator"). It does not explicitly state it is an AI unless asked. Most people interact with it naturally because the conversation is short and focused.

What if a guest asks a question the AI cannot answer? The SuperCall persona only knows what you provide (event details, persona name, goal). If asked something unexpected, the AI will say something like "That is a great question -- let me have [your name] get back to you on that" and note it in the call log.

Can I listen to the calls? Yes. SuperCall logs full audio recordings and transcripts to ~/clawd/supercall-logs. You can review any call after the fact.

Does it work internationally? Yes, with a Twilio number that supports international calling. Costs vary by destination country. Check Twilio's pricing page for specific rates.

What about voicemail? If the AI reaches voicemail, it can leave a brief message asking the guest to call back or text their RSVP. Configure this in the persona instructions.

Can I use this for business event RSVPs? Absolutely. Adjust the persona to be more formal ("Hi, this is the events team at [Company]") and collect business-relevant details like session preferences or accessibility needs.

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What to Build Next

Event confirmation is one piece of the event management puzzle. Combine it with:

• Second brain to capture event planning notes and vendor contacts
• Knowledge base to store venue research, catering menus, and past event learnings
• Automated reminders that text confirmed guests the day before with final details

For more OpenClaw automation ideas, see our complete use cases guide.