Coinmarketcal Com Webhooks

generated: '2026-11-04'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://coinmarketcal.com/developer/docs/webhooks
sources:
- https://coinmarketcal.com/developer/docs/webhooks
- https://coinmarketcal.com/
- https://coinmarketcal.com/coin/ethereum
description: Push event updates to your servers in real time.
events:
- event: events.created
  description: Triggers when an event is published for the first time.
- event: events.updated
  description: Triggers when a published event is edited, temporarily unpublished, or republished with the same id.
- event: events.cancelled
  description: Triggers when an event is permanently removed from the catalog, whether cancelled by a project or deleted by the editorial team.
- event: events.high-impact
  description: Triggers when an event reaches impact >= 7.5 for the first time; fires once per event lifecycle.
delivery:
  signature: Each POST carries a CMC‑Signature header containing sha256= followed by the HMAC‑SHA256 hex digest of the raw request body, signed
    with your endpoint's signing secret.
  retries: Failed deliveries are retried with exponential backoff for up to 24 hours using the schedule 1 m → 5 m → 30 m → 2 h → 6 h. The endpoint
    must respond with a 2xx status within 10 s; otherwise the delivery is considered failed. After 3+ consecutive failures in a 24 h window the
    endpoint enters a degraded state and is auto‑paused after 24 h of continuous failure.
docs: https://coinmarketcal.com/developer/docs/webhooks