Apollo.Io Vs Reply.Io: Compare APIs & MCP Support (2026) | Salestools Club

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Side-by-Side Comparison

Apollo.io logo

Apollo.io

The ultimate sales intelligence and engagement platform for AI-native teams.

VS
Reply.io logo

Reply.io

AI sales outreach & cold email platform with multichannel sequences.

Apollo.io
Reply.io
API Type
REST
REST
MCP Ready
YES
NO
Free Tier
YES
YES
SDKs
None
Node.js, Python
Webhooks
YES
YES
Capabilities
Lead Enrichment, AI Search, Intent Signals, Automated Outreach, MCP Prospecting, Sequence Enrollment, Contact Enrichment
Multichannel Sequences, Email Deliverability, AI SDR, Contact Enrichment, Email Verification, AI SDR & Agents, B2B Data Enrichment

API & MCP Analysis

For AI-native operators choosing between Apollo.io and Reply.io, the decision comes down to API accessibility and how easily your agent can interface with each tool.

Apollo.io has the edge here with an official MCP server, letting you connect it directly to Claude or Cursor. Reply.io requires a REST API integration, which means your agent needs the API docs to build the connection.

Apollo.io Starter Prompt

"Claude, use the Apollo MCP to search for 50 VP Sales at Series B SaaS companies in New York, enrich their contacts, and add them to my 'Q3 Outreach' sequence."

Reply.io Starter Prompt

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

Support & Guidance

Apollo.io vs Reply.io FAQ

01

Which has a better API for AI agents — Apollo.io or Reply.io?

Apollo.io offers an MCP server for direct AI agent integration. Reply.io provides a REST API. Check the comparison table above for a full breakdown of SDKs, webhooks, and capabilities.
02

Can I connect Apollo.io or Reply.io to Claude or Cursor?

Apollo.io has an official MCP server for direct connection. For Reply.io, you can use the REST API docs with your AI agent.
03

Apollo.io vs Reply.io — which is better for sales automation?

It depends on your stack. Apollo.io is "The ultimate sales intelligence and engagement platform for AI-native teams." while Reply.io is "AI sales outreach & cold email platform with multichannel sequences.". Compare their API capabilities, MCP support, and pricing above to find the right fit for your workflow.

Ready to pick your tool?

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