down

An uptime site went down or came back up.

Fields

67

The table lists every field of the body. You can validate a delivery against this event’s JSON Schema.

Field	Type	Description
event required	"down"
message required	string	A one-line summary of the event, as notifications show it.
actor	object	The person who caused the event. Absent when Honeybadger, or an API token with no user, did.
actor.id required	integer
actor.email required	string
actor.name required	string | null
project required	object	The project the event belongs to.
project.id required	integer
project.name required	string | null
project.created_at required	date-time
project.disable_public_links required	boolean | null
project.pivotal_project_id required	string | null
project.asana_workspace_id required	string | null
project.token required	string	The project's ingestion key, the one its notifiers report with.
project.github_project required	string | null	The repository of the project's newest GitHub integration.
project.environments required	array<object>
project.environments[].id required	integer
project.environments[].project_id required	integer
project.environments[].name required	string
project.environments[].notifications required	boolean	Whether errors in this environment send notifications.
project.environments[].created_at required	date-time
project.environments[].updated_at required	date-time
project.owner required	object	The account that owns the project.
project.owner.id required	integer
project.owner.email required	string
project.owner.name required	string | null
project.last_notice_at required	date-time | null
project.earliest_notice_at required	date-time	The oldest notice the plan's retention keeps.
project.unresolved_fault_count required	integer
project.fault_count required	integer
project.active required	boolean	Whether the account is active.
project.users required	array<object>
project.users[].id required	integer
project.users[].email required	string
project.users[].name required	string | null
project.sites required	array<object>
project.sites[].id required	uuid
project.sites[].active required	boolean
project.sites[].last_checked_at required	date-time | null
project.sites[].name required	string
project.sites[].state required	string
project.sites[].url required	string	The checked URL, as entered.
project.team_id required	integer | null
project.url	uri	The project's errors page. Sent on volume_spike only.
site required	object	The uptime site the event is about.
site.id required	uuid
site.name required	string
site.url required	string	The checked URL, as entered.
site.frequency required	integer	Minutes between checks.
site.match_type required	string
site.match required	string | null
site.state required	string	Allowed values: pending, up, down.
site.active required	boolean
site.last_checked_at required	date-time | null
site.retries required	integer | null
site.proxy required	integer
site.cert_will_expire_at required	date-time | null
site.timeout required	integer | null
site.response_headers required	object | null	Headers the site is set to expect in each check's response.
site.details_url required	uri
outage required	object	The site's latest outage. Every field but details_url is null when the site has none on record.
outage.down_at required	date-time | null
outage.up_at required	date-time | null	Null while the site is still down.
outage.status required	integer | null	The HTTP status the failing check got.
outage.reason required	string | null
outage.headers required	object | null	Headers from the failing check's response.
outage.details_url required	uri

Example

{
  "event": "down",
  "message": "[Billing API] Checkout is down.",
  "project": {
    "id": 85736,
    "name": "Billing API",
    "created_at": "2026-10-21T12:36:26.076894Z",
    "disable_public_links": false,
    "pivotal_project_id": null,
    "asana_workspace_id": null,
    "token": "hbp_EXAMPLE00000000000000000000000",
    "github_project": null,
    "environments": [
      {
        "id": 2819,
        "project_id": 85736,
        "name": "production",
        "notifications": true,
        "created_at": "2026-10-21T12:36:26.470494Z",
        "updated_at": "2026-10-21T12:36:26.470494Z"
      }
    ],
    "owner": {
      "id": 92354,
      "email": "user-1@example.com",
      "name": "Acme"
    },
    "last_notice_at": null,
    "earliest_notice_at": "2026-04-24T12:36:27.614653Z",
    "unresolved_fault_count": 0,
    "fault_count": 0,
    "active": true,
    "users": [
      {
        "id": 132624,
        "email": "jane@example.com",
        "name": "Jane Doe"
      }
    ],
    "sites": [
      {
        "id": "8121ab91-87fd-4e92-ae23-a7b5bf915a2f",
        "active": true,
        "last_checked_at": "2026-10-21T12:35:26.482113Z",
        "name": "Checkout",
        "state": "down",
        "url": "https://billing.example.com/health"
      }
    ],
    "team_id": null
  },
  "site": {
    "id": "8121ab91-87fd-4e92-ae23-a7b5bf915a2f",
    "name": "Checkout",
    "url": "https://billing.example.com/health",
    "frequency": 5,
    "match_type": "success",
    "match": null,
    "state": "down",
    "active": true,
    "last_checked_at": "2026-10-21T12:35:26.482113Z",
    "retries": 2,
    "proxy": 0,
    "cert_will_expire_at": null,
    "timeout": null,
    "response_headers": null,
    "details_url": "https://app.honeybadger.io/projects/85736/sites/8121ab91-87fd-4e92-ae23-a7b5bf915a2f"
  },
  "outage": {
    "down_at": "2026-10-21T12:29:26.482113Z",
    "up_at": null,
    "status": 503,
    "reason": "Service Unavailable",
    "headers": {
      "retry-after": "120",
      "content-type": "text/html"
    },
    "details_url": "https://app.honeybadger.io/projects/85736/sites/8121ab91-87fd-4e92-ae23-a7b5bf915a2f"
  }
}