Maintenance Windows - OnlineOrNot API Documentation

GET/v1/maintenance-windows

List all maintenance windows

Retrieve a paginated list of all maintenance windows

Requires MAINTENANCE_WINDOWS:READ.

Header parameters

X-OnlineOrNot-Organisation:stringoptional

Public organization ID to select from an OAuth grant. Required for grants authorizing multiple organizations. Omit for single-organization grants and API tokens.

Query parameters

page:integeroptional

Page number of paginated results, starting at 1.

Default: 1

per_page:integeroptional

Number of items per page. Defaults to 20. Continue requesting subsequent pages until the accumulated item count reaches result_info.total_count or a page is empty.

Default: 20

search:stringoptional

Search term to filter maintenance windows by name

Responses

Status	Meaning	Description
200	OK	Returns a list of maintenance windows. May also return a canonical failure envelope with success: false at HTTP200.
400	Bad Request	Invalid request
401	Unauthorized	Unauthorized - Invalid or missing API token
403	Forbidden	Insufficient permissions
500	Internal Server Error	Internal Server Error

Response Schema

success:boolean

false

result:null

errors:object[]

messages:[any]

Request

GET

/v1/maintenance-windows

curl --request GET \
  --url https://api.onlineornot.com/v1/maintenance-windows \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}'

Response

{
  "result": [
    {
      "id": "abc123def456",
      "name": "Weekly Maintenance",
      "start_date": "2026-09-13T09:00:00.000Z",
      "duration_minutes": 60,
      "timezone": "America/New_York",
      "days_of_week": [
        "MONDAY",
        "WEDNESDAY",
        "FRIDAY"
      ],
      "status": "ENABLED"
    }
  ],
  "result_info": {
    "page": 1,
    "per_page": 20,
    "count": 1,
    "total_count": 1
  },
  "success": true,
  "errors": [],
  "messages": []
}

POST/v1/maintenance-windows

Create a new maintenance window

Create a new maintenance window with associated checks and heartbeats

Requires MAINTENANCE_WINDOWS:EDIT.

Header parameters

X-OnlineOrNot-Organisation:stringoptional

Public organization ID to select from an OAuth grant. Required for grants authorizing multiple organizations. Omit for single-organization grants and API tokens.

Body parameters

name:string

start_date:string

Start date and time of the maintenance window, as a timestamp

duration_minutes:integer

Duration of the maintenance window in minutes

timezone:string

Timezone for the maintenance window

days_of_week:enum[]

Days of the week when the maintenance window is active

checks:string[]optional

Uptime check IDs to associate with this maintenance window

Default: []

heartbeats:string[]optional

Heartbeat IDs to associate with this maintenance window

Default: []

Responses

Status	Meaning	Description
201	Created	Returns the created maintenance window
400	Bad Request	Bad Request - Invalid input (e.g., invalid check/heartbeat IDs, empty name)
401	Unauthorized	Unauthorized - Invalid or missing API token
403	Forbidden	Insufficient permissions
500	Internal Server Error	Internal Server Error

Response Schema

result:any

*anonymous*:objectoptional

success:boolean

Whether the API call was successful

errors:object[]

messages:object[]

Request

POST

/v1/maintenance-windows

curl --request POST \
  --url https://api.onlineornot.com/v1/maintenance-windows \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}' \
  --header 'Content-Type: application/json' \
  --data '{"name":"Weekly Server Maintenance","start_date":"2026-09-13T03:00:00.000Z","duration_minutes":60,"timezone":"America/New_York","days_of_week":["SUNDAY"]}'

Response

{
  "result": {
    "id": "abc123def456",
    "name": "Weekly Maintenance",
    "start_date": "2026-09-13T09:00:00.000Z",
    "duration_minutes": 60,
    "timezone": "America/New_York",
    "days_of_week": [
      "MONDAY",
      "WEDNESDAY",
      "FRIDAY"
    ],
    "status": "ENABLED",
    "checks": [
      "abc123",
      "def456"
    ],
    "heartbeats": [
      "ghi789"
    ]
  },
  "success": true,
  "errors": [],
  "messages": []
}

GET/v1/maintenance-windows/{maintenance_window_id}

Get a maintenance window by ID

Retrieve a maintenance window with associated checks and heartbeats

Requires MAINTENANCE_WINDOWS:READ.

Header parameters

X-OnlineOrNot-Organisation:stringoptional

Public organization ID to select from an OAuth grant. Required for grants authorizing multiple organizations. Omit for single-organization grants and API tokens.

Path parameters

maintenance_window_id:string

Maintenance Window ID

Responses

Status	Meaning	Description
200	OK	Returns a maintenance window with associated check and heartbeat IDs
400	Bad Request	Invalid request
401	Unauthorized	Unauthorized - Invalid or missing API token
403	Forbidden	Insufficient permissions
404	Not Found	Not Found - Maintenance window does not exist or belongs to different organization
500	Internal Server Error	Internal Server Error

Response Schema

result:any

*anonymous*:objectoptional

success:boolean

Whether the API call was successful

errors:object[]

messages:object[]

Request

GET

/v1/maintenance-windows/{maintenance_window_id}

curl --request GET \
  --url https://api.onlineornot.com/v1/maintenance-windows/abc123def456 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}'

Response

{
  "result": {
    "id": "abc123def456",
    "name": "Weekly Maintenance",
    "start_date": "2026-09-13T09:00:00.000Z",
    "duration_minutes": 60,
    "timezone": "America/New_York",
    "days_of_week": [
      "MONDAY",
      "WEDNESDAY",
      "FRIDAY"
    ],
    "status": "ENABLED",
    "checks": [
      "abc123",
      "def456"
    ],
    "heartbeats": [
      "ghi789"
    ]
  },
  "success": true,
  "errors": [],
  "messages": []
}

PATCH/v1/maintenance-windows/{maintenance_window_id}

Update a maintenance window

Update a maintenance window. All fields are optional - only provided fields will be updated. Updating checks or heartbeats replaces existing associations.

Requires MAINTENANCE_WINDOWS:EDIT.

Header parameters

X-OnlineOrNot-Organisation:stringoptional

Public organization ID to select from an OAuth grant. Required for grants authorizing multiple organizations. Omit for single-organization grants and API tokens.

Path parameters

maintenance_window_id:string

Maintenance Window ID

Body parameters

name:stringoptional

start_date:stringoptional

Start date and time of the maintenance window, as a timestamp

duration_minutes:integeroptional

Duration of the maintenance window in minutes

timezone:stringoptional

Timezone for the maintenance window

days_of_week:enum[]optional

Days of the week when the maintenance window is active

status:stringoptional

Accepted values: "ENABLED" | "DISABLED"

checks:string[]optional

Uptime check IDs. Replaces existing associations.

heartbeats:string[]optional

Heartbeat IDs. Replaces existing associations.

Responses

Status	Meaning	Description
200	OK	Returns the updated maintenance window
400	Bad Request	Bad Request - Invalid input (e.g., invalid check/heartbeat IDs, no fields to update)
401	Unauthorized	Unauthorized - Invalid or missing API token
403	Forbidden	Insufficient permissions
404	Not Found	Not Found - Maintenance window does not exist or belongs to different organization
500	Internal Server Error	Internal Server Error

Response Schema

result:any

*anonymous*:objectoptional

success:boolean

Whether the API call was successful

errors:object[]

messages:object[]

Request

PATCH

/v1/maintenance-windows/{maintenance_window_id}

curl --request PATCH \
  --url https://api.onlineornot.com/v1/maintenance-windows/abc123def456 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}' \
  --header 'Content-Type: application/json' \
  --data '{"name":"Updated Maintenance Window"}'

Response

{
  "result": {
    "id": "abc123def456",
    "name": "Weekly Maintenance",
    "start_date": "2026-09-13T09:00:00.000Z",
    "duration_minutes": 60,
    "timezone": "America/New_York",
    "days_of_week": [
      "MONDAY",
      "WEDNESDAY",
      "FRIDAY"
    ],
    "status": "ENABLED",
    "checks": [
      "abc123",
      "def456"
    ],
    "heartbeats": [
      "ghi789"
    ]
  },
  "success": true,
  "errors": [],
  "messages": []
}

DELETE/v1/maintenance-windows/{maintenance_window_id}

Delete a maintenance window

Delete a maintenance window and all its associations with checks and heartbeats

Requires MAINTENANCE_WINDOWS:EDIT.

Header parameters

X-OnlineOrNot-Organisation:stringoptional

Public organization ID to select from an OAuth grant. Required for grants authorizing multiple organizations. Omit for single-organization grants and API tokens.

Path parameters

maintenance_window_id:string

Maintenance Window ID

Responses

Status	Meaning	Description
200	OK	Returns the deleted maintenance window ID
400	Bad Request	Invalid request
401	Unauthorized	Unauthorized - Invalid or missing API token
403	Forbidden	Insufficient permissions
404	Not Found	Not Found - Maintenance window does not exist or belongs to different organization
500	Internal Server Error	Internal Server Error

Response Schema

result:object

success:boolean

Whether the API call was successful

errors:object[]

messages:object[]

Request

DELETE

/v1/maintenance-windows/{maintenance_window_id}

curl --request DELETE \
  --url https://api.onlineornot.com/v1/maintenance-windows/abc123def456 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}'

Response

{
  "result": {
    "id": "abc123def456"
  },
  "success": true,
  "errors": [],
  "messages": []
}