Million Phones Vs ZoomInfo: Compare APIs & MCP Support (2026) | Salestools Club

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Side-by-Side Comparison

Million Phones logo

Million Phones

Verified B2B mobile phone numbers via API and MCP. One endpoint, real-time results.

VS
ZoomInfo logo

ZoomInfo

The all-in-one AI GTM platform with GTM.AI headless context layer for AI agents.

Million Phones
ZoomInfo
API Type
REST
REST
MCP Ready
YES
YES
Free Tier
YES
NO
SDKs
TypeScript, Python
Python, Java, Node.js, C#
Webhooks
NO
YES
Capabilities
Phone Number Lookup, Phone Number Verification, Bulk Phone Enrichment
Natural Language Prospecting, Real-time Lead Enrichment, Intent Data Orchestration, GTM.AI Context Layer, Headless MCP, Agentforce Integration, Buying Committee Mapping

API & MCP Analysis

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

Both Million Phones and ZoomInfo support MCP (Model Context Protocol), meaning you can connect either directly to Claude, Cursor, or other AI agents without writing custom integration code.

Million Phones Starter Prompt

"Claude, find verified mobile numbers for these 50 LinkedIn sales director profiles using Million Phones."

ZoomInfo Starter Prompt

"Claude, use the ZoomInfo GTM.AI MCP to search for 50 VPs of Sales at Series B SaaS companies in California, build a target account list, and map their buying committees."

Support & Guidance

Million Phones vs ZoomInfo FAQ

01

Which has a better API for AI agents — Million Phones or ZoomInfo?

Million Phones offers an MCP server for direct AI agent integration. ZoomInfo also offers an MCP server. Check the comparison table above for a full breakdown of SDKs, webhooks, and capabilities.
02

Can I connect Million Phones or ZoomInfo to Claude or Cursor?

Yes, both tools have MCP servers that work with Claude, Cursor, and other AI coding agents.
03

Million Phones vs ZoomInfo — which is better for sales automation?

It depends on your stack. Million Phones is "Verified B2B mobile phone numbers via API and MCP. One endpoint, real-time results." while ZoomInfo is "The all-in-one AI GTM platform with GTM.AI headless context layer for AI agents.". 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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