CompareSide-by-Side Comparison
Cleanlist
B2B data enrichment API using waterfall technology across 10+ providers.
VS
ContactOut
Phone numbers and emails from LinkedIn profiles.
Cleanlist
ContactOut
API Type
REST
REST
MCP Ready
NO
NO
Free Tier
YES
YES
SDKs
None
Python, Node.js
Webhooks
NO
YES
Capabilities
Email Enrichment, Phone Number Lookup, AI People Search, Smart Agents, Bulk Enrichment, CRM Sync, Waterfall Enrichment
Phone Number Lookup, Email Discovery, LinkedIn Profile Search, AI Voice & Dialers, LinkedIn Automation
Cleanlist
ContactOut
API Type
REST
REST
MCP Ready
NO
NO
Free Tier
YES
YES
SDKs
None
Python, Node.js
Webhooks
NO
YES
Capabilities
Email Enrichment, Phone Number Lookup, AI People Search, Smart Agents, Bulk Enrichment, CRM Sync, Waterfall Enrichment
Phone Number Lookup, Email Discovery, LinkedIn Profile Search, AI Voice & Dialers, LinkedIn Automation
API & MCP Analysis
For AI-native operators choosing between Cleanlist and ContactOut, the decision comes down to API accessibility and how easily your agent can interface with each tool.
Neither tool currently offers an official MCP server, so you'll need to use their REST APIs directly. Provide the API documentation to your AI agent and let it build the integration for you.
Cleanlist Starter Prompt
"Claude, use Cleanlist API to enrich 100 leads with verified email addresses and phone numbers using waterfall enrichment."
ContactOut Starter Prompt
"Claude, use ContactOut API to find phone numbers for these 10 LinkedIn profiles."
Support & Guidance
Cleanlist vs ContactOut FAQ
01
Which has a better API for AI agents — Cleanlist or ContactOut?
Cleanlist provides a REST API. ContactOut provides a REST API. Check the comparison table above for a full breakdown of SDKs, webhooks, and capabilities.
02
Can I connect Cleanlist or ContactOut to Claude or Cursor?
Neither has an official MCP server yet, but both have REST APIs. Paste the API docs into your agent and ask it to build the integration.
03
Cleanlist vs ContactOut — which is better for sales automation?
It depends on your stack. Cleanlist is "B2B data enrichment API using waterfall technology across 10+ providers." 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.