API & n8n
Automate around it with the API, webhooks and n8n
Everything you do in GTM Engine can be automated: create leads and lists, start runs and read replies through the API, react to events with signed webhooks, or route the AI pipeline's calls to AI and data providers through an n8n instance you control.
What you get
REST API
Leads, lists, campaigns, company profiles, ICPs, playbooks, runs and replies, documented with OpenAPI 3.1.
Scoped API keys
Full or pipeline-only scope, shown once, stored hashed, revocable at any time.
Signed webhooks
Events such as replies and finished runs, signed with a secret, retried with backoff, with a delivery log.
Your own n8n engine
Switch the pipeline engine to n8n: the app still runs every step and rule, while n8n calls the providers with your credentials. Dispatches are signed.
How it works
- Create an API key in Settings.
- Subscribe a webhook endpoint to the events you need.
- Optionally point the pipeline engine at your n8n router.
Good to know
- API keys act within one workspace.
- The n8n engine's shared secret can be rotated with a 24-hour grace period, so the workflow keeps working while you update it.
More features
Set up your first campaign this week
Start with a free trial — no card required. Every setup step can be skipped and finished later.