Sales Engagement

Reply.io

AI sales outreach & cold email platform with multichannel sequences.

Important Links

Documentation ↗Website ↗Pricing ↗

Key Features

Multichannel Sequences

Email Deliverability

AI SDR

Contact Enrichment

Email Verification

AI SDR & Agents

B2B Data Enrichment

How to use this tool

"Claude, use Reply.io API to create a new sequence for our Q1 outbound campaign and add 100 leads to it."

Technical Feature Analysis

Reply.io is built for AI-first teams, specifically for workflows where you want an AI agent to handle your Sales Engagement tasks. Instead of manual data entry, Reply.io lets your AI "see" and "act" on your data directly through its REST.

Reply.io is an AI-powered sales outreach platform trusted by 3,000+ businesses. It provides a REST API for managing multichannel sequences, email deliverability, and AI SDR agents. The platform offers unlimited mailboxes and warm-ups, real-time data with 1B+ contacts, and powerful automation for sales teams.

The biggest win with Reply.io is the ability to move from **Chat-to-Action**. By connecting it to your AI agent, you can automate Multichannel Sequences, Email Deliverability, AI SDR without having to build a custom tech stack or hire a developer.

Direct Agent Workflow for Reply.io

• Connect: Give your Reply.io API Key or OAuth2 to Claude Code, Cowork, or your favorite AI agent.

• Automate: Your agent handles Multichannel Sequences and Email Deliverability directly.

• Execute: No extra software or middleware required for Sales Engagement automation.

Use Reply.io for

AI Tools for Cold Outreach AI Tools for Lead Enrichment AI Prospecting Tools

Technical Details

API Type

REST

Authentication

API Key / OAuth2

Pricing Tier

Free Tier Available

SDK Languages

Node.js, Python

Webhooks

Yes

Frequently Asked Questions

What does Reply.io do?

Reply.io is a sales engagement tool that provides AI sales outreach & cold email platform with multichannel sequences.

How do I use Reply.io with AI agents?

Connect Reply.io to agents like Claude Code or Cowork by using its REST and your API Key or OAuth2 keys. This allows your agent to perform Multichannel Sequences and Email Deliverability directly without needing extra software.