CompareSide-by-Side Comparison
Apollo.io
The ultimate sales intelligence and engagement platform for AI-native teams.
VS
ContactOut
Phone numbers and emails from LinkedIn profiles.
Apollo.io
ContactOut
API Type
REST
REST
MCP Ready
YES
NO
Free Tier
YES
YES
SDKs
None
Python, Node.js
Webhooks
YES
YES
Capabilities
Lead Enrichment, AI Search, Intent Signals, Automated Outreach, B2B Data Enrichment, Intent Intelligence, Cold Email Outreach
Phone Number Lookup, Email Discovery, LinkedIn Profile Search, AI Voice & Dialers, LinkedIn Automation
Apollo.io
ContactOut
API Type
REST
REST
MCP Ready
YES
NO
Free Tier
YES
YES
SDKs
None
Python, Node.js
Webhooks
YES
YES
Capabilities
Lead Enrichment, AI Search, Intent Signals, Automated Outreach, B2B Data Enrichment, Intent Intelligence, Cold Email Outreach
Phone Number Lookup, Email Discovery, LinkedIn Profile Search, AI Voice & Dialers, LinkedIn Automation
API & MCP Analysis
For AI-native operators choosing between Apollo.io and ContactOut, 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. ContactOut requires a REST API integration, which means your agent needs the API docs to build the connection.
Apollo.io Starter Prompt
"Claude, use Apollo API to find 50 CEOs of SaaS companies in New York with recent funding and enrich their emails."
ContactOut Starter Prompt
"Claude, use ContactOut API to find phone numbers for these 10 LinkedIn profiles."
Support & Guidance
Apollo.io vs ContactOut FAQ
01
Which has a better API for AI agents — Apollo.io or ContactOut?
Apollo.io offers an MCP server for direct AI agent integration. ContactOut 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 ContactOut to Claude or Cursor?
Apollo.io has an official MCP server for direct connection. For ContactOut, you can use the REST API docs with your AI agent.
03
Apollo.io vs ContactOut — 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 ContactOut is "Phone numbers and emails from LinkedIn profiles.". Compare their API capabilities, MCP support, and pricing above to find the right fit for your workflow.