Instantly AI Reply Agent
Underfive is an AI reply agent that works with Instantly. It reads replies from your Instantly campaigns, sends human-like responses, follows up automatically, and books meetings on your calendar.
How Underfive Works as an AI Reply Agent for Instantly
Connect via Webhook
Add Underfive's webhook URL to your Instantly account. When a lead replies to your campaign, Instantly sends the message to Underfive instantly.
AI Reads and Responds
Underfive reads the lead's message, understands the context, and generates a human-like response. The AI reply agent handles questions, objections, and scheduling requests.
Response Sent via Instantly
Underfive sends the response back through Instantly. The email appears in the same thread. The conversation continues seamlessly.
Meetings Booked Automatically
When a lead is ready to meet, Underfive negotiates times and books the meeting on your calendar. You receive the invite with all details.
Why Use an AI Reply Agent with Instantly
Respond in Under 5 Minutes
Every Instantly reply gets a response in under 5 minutes. Fast responses dramatically increase meeting rates.
Human-Like Responses
The AI reply agent writes responses that sound like a real person. Leads engage naturally.
Handles Full Conversations
The AI reply agent manages the entire conversation from first reply to booked meeting.
Books Meetings
Meetings are scheduled automatically on your calendar. No manual coordination required.
Underfive Works With Instantly, Not Instead of It
Instantly is a cold email platform. Underfive is an AI reply agent. They work together. Instantly sends campaigns. Underfive handles the replies. You keep using Instantly exactly as you do today.
Add an AI Reply Agent to Your Instantly Campaigns
Start with 50 free replies. Connect Instantly in under 5 minutes.
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