Apollo MCP server: setup, auth, tools

Prospecting & Lead Data · remote · verified 2026-10-15

Endpoint
https://mcp.apollo.io/mcp
Transport
Streamable HTTP
Auth
OAuth 2.0 (master API key / X-Api-Key for headless)
Docs
Official documentation

What you can do

Setup notes

Vendor docs fetched; unauth POST returned HTTP 403.

StackMCP does not proxy vendor MCP traffic. Add the endpoint in Claude, Cursor, ChatGPT, or another MCP client and complete the vendor’s auth flow.

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