# Instant AI callback for web leads

100-minute response time.

Category: Speed to lead
Difficulty: moderate
Updated: May 12, 2026
URL: https://revstackai.co/use-cases/instant-ai-callback-for-web-leads

## Problem

100-minute response time.

## How AI solves it

Retell agent calls leads in minutes.

## Verdict

Response 100 min to under 5; 40% higher call-to-meeting

## Tools

- [Retell AI](https://www.retellai.com/): Developer platform for AI phone agents.

## Result

Response 100 min to under 5; 40% higher call-to-meeting

Vendor-claimed. Reported by [ISpeedToLead](https://www.retellai.com/case-study/ispeedtolead-retell-ai-lead-response-case-study).

## Setup

1. Webhook from form
2. Agent script
3. Calendar booking