RocketReach
People search API with 700M+ professional profiles and 60M+ companies.
ZoomInfo
The comprehensive B2B database and sales intelligence platform.
API & MCP Analysis
For AI-native operators choosing between RocketReach and ZoomInfo, the decision comes down to API accessibility and how easily your agent can interface with each tool.
ZoomInfo has the edge here with an official MCP server, letting you connect it directly to Claude or Cursor. RocketReach requires a REST API integration, which means your agent needs the API docs to build the connection.
"Claude, use RocketReach to find contact info for engineers at Stripe."
"Claude, use the ZoomInfo MCP server to search for 50 VPs of Sales at Series B SaaS companies in California and return their verified emails."
Support & Guidance