CTD API

Build relationship intelligence into your internal tools. CTD exposes everything — paths, warmth scores, reachable contacts, job changes, ghost emails — via a REST API.

API Overview & Authentication

Authentication, API keys, and which tier you need. Read more

User API — Freemium (free+)

Contacts, company lookups, relationship paths, job changes, and ghost emails — available on any CTD plan. Read more

User API — Team & Business

Warm path search, reachable people and companies, path stage management — available on Team and Business plans. Read more

Workspace API

Admin-only integration API. Global paths, target accounts import, and custom columns — for system integrations, not individual use. Read more

Building Your Relationship Intelligence Stack

If you're consolidating tools into an internal platform, CTD exposes everything. Here's how to think about the integration. Read more