Reply.Io API Documentation & MCP Config | Salestools Club
Back to Directory
Reply.io logo
Sales Engagement

Reply.io

AI sales outreach & cold email platform with multichannel sequences.

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 provides Multichannel Sequences, Email Deliverability, AI SDR through its REST.

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
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.

Is Reply.io API free?

Yes, Reply.io offers a free tier for its API, making it accessible for testing and small-scale projects.

What are the best alternatives to Reply.io?

Based on features and use cases, the top alternatives to Reply.io are Mailshake, Apollo.io, OpenOutreach and Salesloft.