Reply.io

Challenger

AI sales engagement platform with multichannel outreach automation.

👥 140K+ users users💰 Series A

✓ Last verified: March 2026

Reply.io is an AI-powered sales engagement platform that automates multichannel outreach across email, LinkedIn, calls, and SMS. It uses AI to generate personalized messages, optimize send times, and manage prospect responses to help sales teams book more meetings.

Our Ratings

Ease of Use

Output Quality

Value

Support

Versatility

Key Features

✓AI-generated personalized email and LinkedIn messages
✓Multichannel sequences (email, LinkedIn, calls, SMS)
✓AI-powered response handling and meeting booking
✓Built-in B2B contact database
✓Advanced analytics and deliverability monitoring

Best For

👍 Sales teams running multichannel outbound campaigns
👍 Agencies managing outreach for multiple clients
👍 SDRs who want AI-assisted message personalization

Limitations

⚠️ Multichannel setup requires time to configure properly
⚠️ LinkedIn automation has daily limits to avoid account restrictions
⚠️ UI can feel overwhelming for new users with many features

Integrations

SalesforceHubSpotPipedriveZapierSlackLinkedIn

Video Reviews & Tutorials

How to Build an AI Sales Agent in 2026: The Vapi + n8n + GHL Stack

A practical guide to building an AI sales agent using Vapi, n8n, and GoHighLevel — covering architecture, costs, ROI analysis, and step-by-step setup for small businesses.

16 min readguide