Fathom Webhook

POST https://api.yourdomain.com/inbound/fathom/:workspaceId

POST https://api.yourdomain.com/inbound/fathom?workspace_id=<id>

FATHOM_WEBHOOK_SECRET=whsec_your-signing-secret

{
  "id": "rec_abc123",
  "title": "Discovery call — Acme Corp",
  "recording_start_time": "2026-05-14T14:00:00Z",
  "share_url": "https://fathom.video/call/abc123",
  "default_summary": {
    "markdown_formatted": "Key points: pricing discussion, Q3 timeline..."
  },
  "calendar_invitees": [
    { "name": "Jane Smith", "email": "jane@acme.com" },
    { "name": "You", "email": "you@company.com" }
  ]
}