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