CompareSide-by-Side Comparison
Clearbit (Breeze)
Real-time company and person enrichment API by HubSpot.
VS
FullContact
Identity resolution and data enrichment platform for customer intelligence.
Clearbit (Breeze)
FullContact
API Type
REST
REST
MCP Ready
NO
NO
Free Tier
NO
NO
SDKs
Node.js, Python, Ruby
Node.js, Python, Java
Webhooks
YES
YES
Capabilities
B2B Enrichment, Lead Scoring, IP Reveal, CRM Sync, B2B Data Enrichment, Lead Management & Scoring, CRM Automation
AI Identity Resolution, Real-time Data Enrichment, Cross-channel Person Mapping, B2B Data Enrichment
Clearbit (Breeze)
FullContact
API Type
REST
REST
MCP Ready
NO
NO
Free Tier
NO
NO
SDKs
Node.js, Python, Ruby
Node.js, Python, Java
Webhooks
YES
YES
Capabilities
B2B Enrichment, Lead Scoring, IP Reveal, CRM Sync, B2B Data Enrichment, Lead Management & Scoring, CRM Automation
AI Identity Resolution, Real-time Data Enrichment, Cross-channel Person Mapping, B2B Data Enrichment
API & MCP Analysis
For AI-native operators choosing between Clearbit (Breeze) and FullContact, 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.
Clearbit (Breeze) Starter Prompt
"Claude, use Clearbit API to enrich this list of domains with their employee count and industry."
FullContact Starter Prompt
"Claude, use the FullContact API to enrich this list of 100 email addresses with LinkedIn URLs, job titles, and current company details."
Support & Guidance
Clearbit (Breeze) vs FullContact FAQ
01
Which has a better API for AI agents — Clearbit (Breeze) or FullContact?
Clearbit (Breeze) provides a REST API. FullContact provides a REST API. Check the comparison table above for a full breakdown of SDKs, webhooks, and capabilities.
02
Can I connect Clearbit (Breeze) or FullContact 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
Clearbit (Breeze) vs FullContact — which is better for sales automation?
It depends on your stack. Clearbit (Breeze) is "Real-time company and person enrichment API by HubSpot." while FullContact is "Identity resolution and data enrichment platform for customer intelligence.". Compare their API capabilities, MCP support, and pricing above to find the right fit for your workflow.