Webhooks

Subscribe To Vendor Intelligence Events

Verify payloads with X-VendorMist-Signature. Replay discovery, change, and renewal context from any event timestamp.

  • vendor.discovered — Candidate vendor promoted from discovery inbox
  • vendor.owner_missing — Owner label empty · escalation threshold met
  • contract.notice_window_opened — Renewal notice period started
  • vendor.change_detected — Spend, usage, or scope delta vs baseline
  • renewal.review_started — Review room session created
  • dependency.high_impact_found — Simulated or live chain exceeds policy
  • portfolio.monthly_brief_ready — Export completed · download URL included
POST https://your.app/hooks/vendormist
X-VendorMist-Signature: sha256=…
{ "event": "vendor.change_detected",
  "vendor_id": "VM-2026-041",
  "vendor": "DataForge",
  "delta": "usage_surcharge" }

API documentation · Send test event