Exit1.dev · AsyncAPI Specification

Exit1 Dev Webhooks

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AsyncAPI Specification

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generated: '2026-11-07'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://docs.exit1.dev/alerting/webhook-alerts
sources:
- https://docs.exit1.dev/alerting/webhook-alerts
- https://docs.exit1.dev/integrations/webhooks
- https://docs.exit1.dev/alerting/alert-events
description: Exit1.dev sends webhook alerts for check state changes.
events:
- event: website_down
  description: Website or API check is down.
- event: website_up
  description: Website or API check recovered.
- event: website_error
  description: Check encountered an unexpected error during execution.
- event: ssl_error
  description: SSL certificate is invalid, expired, or has chain issues.
- event: ssl_warning
  description: SSL certificate is approaching expiration.
- event: domain_expiring
  description: Domain is approaching expiration (within the configured threshold).
- event: domain_expired
  description: Domain has passed its expiration date.
- event: domain_renewed
  description: Domain expiration date has been extended.
- event: dns_record_changed
  description: A monitored DNS record changed.
- event: dns_record_missing
  description: A monitored DNS record disappeared.
- event: dns_resolution_failed
  description: DNS resolution failed (query errored or timed out).
delivery:
  signature: X-Exit1-Signature header containing sha256=<hmac> when a signing secret is set
  content_type: application/json; charset=utf-8 (via Content-Type header) and User-Agent Exit1-Website-Monitor/1.0
note: 'Custom headers such as Authorization: Bearer <token> can be added for authentication, but verification is recommended via the signing secret
  and X-Exit1-Signature header.'
docs: https://docs.exit1.dev/alerting/webhook-alerts

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