POST/v1/checks/browser

Create a browser check

Create a new browser check using Playwright

Security: Bearer Auth

Provide your bearer token in the Authorization header when making requests to protected resources.

Example: Authorization: Bearer 123

Body parameters

name:string
Name of the monitor
test_interval:integeroptional
Interval in seconds between checks
test_regions:string[]optional
Regions to run checks from. Valid regions: aws:us-east-1, aws:us-east-2, aws:us-west-1, aws:eu-central-1, aws:eu-west-2, aws:ap-south-1, aws:ap-southeast-2, aws:ap-northeast-1
user_alerts:string[]optional
slack_alerts:string[]optional
discord_alerts:string[]optional
incident_io_alerts:string[]optional
microsoft_teams_alerts:string[]optional
telegram_alerts:string[]optional
webhook_alerts:string[]optional
IDs of webhooks to associate with this check
oncall_alerts:string[]optional
IDs of on-call integrations (Grafana, PagerDuty, Opsgenie, Spike)
alert_priority:stringoptional
Alert Priority
Accepted values: "LOW" | "HIGH"
Default: "LOW"
confirmation_period_seconds:integeroptional
Confirmation period in seconds
Default: 60
recovery_period_seconds:integeroptional
Recovery period in seconds
Default: 180
reminder_alert_interval_minutes:integeroptional
Interval in minutes between reminders (-1 for never)
Default: 1440
timeout:integeroptional
Timeout in milliseconds
Default: 10000
url:string,null(uri)optional
URL to load for URL-based browser checks. Optional when script is provided.
text_to_search_for:stringoptional
Text to search for in the response
type:stringoptional
Type of check
Accepted values: "BROWSER_CHECK"
Default: "BROWSER_CHECK"
headers:objectoptional
Headers to send with the request
method:stringoptional
HTTP Method
Accepted values: "GET" | "HEAD" | "POST" | "PUT" | "PATCH" | "DELETE"
Default: "GET"
body:stringoptional
follow_redirects:booleanoptional
Whether to follow redirects
Default: true
assertions:object[]optional
Assertions to run on the response
verify_ssl:booleanoptional
Whether to fail a check if SSL verification fails
Default: false
auth_username:stringoptional
Username to use for URLs behind HTTP Basic Auth
auth_password:stringoptional
Password to use for URLs behind HTTP Basic Auth
version:stringoptional
Runtime version for browser checks.
Accepted values: "NODE24_PLAYWRIGHT"
script:stringoptional
Playwright Test script for scripted browser checks. Optional when url is provided.

Responses

StatusMeaningDescription
201CreatedCreate a new OnlineOrNot Browser Check
400Bad RequestValidation error
401UnauthorizedUnauthenticated
403ForbiddenForbidden
500Internal Server ErrorInternal Server Error

Response Schema

result:object
success:boolean
Whether the API call was successful
errors:object[]
messages:object[]

Request

POST
/v1/checks/browser
curl --request POST \
  --url https://api.onlineornot.com/v1/checks/browser \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}' \
  --header 'Content-Type: application/json' \
  --data '{"name":"Homepage browser check","url":"https://example.com","test_interval":60}'

Response

{
  "result": {
    "id": "a1b2c3d4",
    "name": "My landing page",
    "url": "https://example.com",
    "last_queued": "2021-01-01T00:00:00.000Z",
    "status": "UP",
    "headers": {
      "X-My-Header": "My Value"
    },
    "text_to_search_for": "string",
    "reminder_alert_interval_minutes": 1440,
    "confirmation_period_seconds": 60,
    "recovery_period_seconds": 180,
    "test_interval": 60,
    "timeout": 10000,
    "version": "NODE24_PLAYWRIGHT",
    "script": "string",
    "alert_priority": "HIGH",
    "verify_ssl": true,
    "method": "GET",
    "body": "string",
    "follow_redirects": true,
    "assertions": [
      {
        "type": "JSON_BODY",
        "property": "$.data.name",
        "comparison": "EQUALS",
        "expected": "John Doe"
      }
    ],
    "auth_username": "string",
    "auth_password": "string",
    "test_regions": [
      "aws:us-east-1",
      "aws:eu-central-1"
    ],
    "user_alerts": [
      "string"
    ],
    "slack_alerts": [
      "string"
    ],
    "discord_alerts": [
      "string"
    ],
    "incident_io_alerts": [
      "string"
    ],
    "microsoft_teams_alerts": [
      "string"
    ],
    "telegram_alerts": [
      "string"
    ],
    "oncall_alerts": [
      "string"
    ],
    "webhook_alerts": [
      "string"
    ],
    "check_type": "BROWSER"
  },
  "success": true,
  "errors": [],
  "messages": []
}
GET/v1/checks/browser/{check_id}

Retrieve a browser check

Look up detailed information about a specific browser check

Security: Bearer Auth

Provide your bearer token in the Authorization header when making requests to protected resources.

Example: Authorization: Bearer 123

Path parameters

check_id:string
Uptime Check ID

Responses

StatusMeaningDescription
200OKRetrieve the specified OnlineOrNot Browser Check
401UnauthorizedUnauthenticated
403ForbiddenForbidden
404Not FoundBrowser check not found
500Internal Server ErrorInternal Server Error

Response Schema

result:object
success:boolean
Whether the API call was successful
errors:object[]
messages:object[]

Request

GET
/v1/checks/browser/{check_id}
curl --request GET \
  --url https://api.onlineornot.com/v1/checks/browser/a1b2c3d4 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}'

Response

{
  "result": {
    "id": "a1b2c3d4",
    "name": "My landing page",
    "url": "https://example.com",
    "last_queued": "2021-01-01T00:00:00.000Z",
    "status": "UP",
    "headers": {
      "X-My-Header": "My Value"
    },
    "text_to_search_for": "string",
    "reminder_alert_interval_minutes": 1440,
    "confirmation_period_seconds": 60,
    "recovery_period_seconds": 180,
    "test_interval": 60,
    "timeout": 10000,
    "version": "NODE24_PLAYWRIGHT",
    "script": "string",
    "alert_priority": "HIGH",
    "verify_ssl": true,
    "method": "GET",
    "body": "string",
    "follow_redirects": true,
    "assertions": [
      {
        "type": "JSON_BODY",
        "property": "$.data.name",
        "comparison": "EQUALS",
        "expected": "John Doe"
      }
    ],
    "auth_username": "string",
    "auth_password": "string",
    "test_regions": [
      "aws:us-east-1",
      "aws:eu-central-1"
    ],
    "user_alerts": [
      "string"
    ],
    "slack_alerts": [
      "string"
    ],
    "discord_alerts": [
      "string"
    ],
    "incident_io_alerts": [
      "string"
    ],
    "microsoft_teams_alerts": [
      "string"
    ],
    "telegram_alerts": [
      "string"
    ],
    "oncall_alerts": [
      "string"
    ],
    "webhook_alerts": [
      "string"
    ],
    "check_type": "BROWSER"
  },
  "success": true,
  "errors": [],
  "messages": []
}
PATCH/v1/checks/browser/{check_id}

Modify a browser check

Modify the configuration of an existing browser check

Security: Bearer Auth

Provide your bearer token in the Authorization header when making requests to protected resources.

Example: Authorization: Bearer 123

Path parameters

check_id:string
Uptime Check ID

Body parameters

name:stringoptional
Name of the monitor
test_interval:integeroptional
Interval in seconds between checks
test_regions:string[]optional
Regions to run checks from. Valid regions: aws:us-east-1, aws:us-east-2, aws:us-west-1, aws:eu-central-1, aws:eu-west-2, aws:ap-south-1, aws:ap-southeast-2, aws:ap-northeast-1
user_alerts:string[]optional
slack_alerts:string[]optional
discord_alerts:string[]optional
incident_io_alerts:string[]optional
microsoft_teams_alerts:string[]optional
telegram_alerts:string[]optional
webhook_alerts:string[]optional
IDs of webhooks to associate with this check
oncall_alerts:string[]optional
IDs of on-call integrations (Grafana, PagerDuty, Opsgenie, Spike)
alert_priority:stringoptional
Alert Priority
Accepted values: "LOW" | "HIGH"
Default: "LOW"
confirmation_period_seconds:integeroptional
Confirmation period in seconds
recovery_period_seconds:integeroptional
Recovery period in seconds
reminder_alert_interval_minutes:integeroptional
Interval in minutes between reminders (-1 for never)
timeout:integeroptional
Timeout in milliseconds
paused:booleanoptional
Whether the monitor is paused (completely stops execution) or actively running
muted:booleanoptional
Whether the monitor is muted (continues running but suppresses alerts) or sending alerts normally
url:string,null(uri)optional
URL to check
text_to_search_for:stringoptional
Text to search for in the response
headers:objectoptional
Headers to send with the request
method:stringoptional
HTTP Method
Accepted values: "GET" | "HEAD" | "POST" | "PUT" | "PATCH" | "DELETE"
body:stringoptional
follow_redirects:booleanoptional
Whether to follow redirects
assertions:object[]optional
verify_ssl:booleanoptional
Whether to fail a check if SSL verification fails
auth_username:stringoptional
Username to use for URLs behind HTTP Basic Auth
auth_password:stringoptional
Password to use for URLs behind HTTP Basic Auth
version:stringoptional
Runtime version for browser checks. NODE20_PLAYWRIGHT is deprecated; existing checks can keep this version but new checks should use NODE24_PLAYWRIGHT.
Accepted values: "NODE20_PLAYWRIGHT" | "NODE24_PLAYWRIGHT"
script:stringoptional
Playwright Test script to run. Must import from @playwright/test and contain at least one test() block.

Responses

StatusMeaningDescription
200OKModify an OnlineOrNot Browser Check
400Bad RequestValidation error
401UnauthorizedUnauthenticated
403ForbiddenForbidden
404Not FoundBrowser check not found
500Internal Server ErrorInternal Server Error

Response Schema

result:object
success:boolean
Whether the API call was successful
errors:object[]
messages:object[]

Request

PATCH
/v1/checks/browser/{check_id}
curl --request PATCH \
  --url https://api.onlineornot.com/v1/checks/browser/a1b2c3d4 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}' \
  --header 'Content-Type: application/json' \
  --data '{"name":"My monitor","test_interval":60,"test_regions":["aws:us-east-1","aws:eu-central-1"],"user_alerts":["string"],"slack_alerts":["string"],"discord_alerts":["string"],"incident_io_alerts":["string"],"microsoft_teams_alerts":["string"],"telegram_alerts":["string"],"webhook_alerts":["string"],"oncall_alerts":["string"],"alert_priority":"LOW","confirmation_period_seconds":60,"recovery_period_seconds":180,"reminder_alert_interval_minutes":1440,"timeout":10000,"paused":false,"muted":false,"url":"https://example.com","text_to_search_for":"Example Domain","headers":{"X-My-Header":"My Value"},"method":"GET","body":"Hello World","follow_redirects":true,"assertions":[{"type":"JSON_BODY","property":"$.data.name","comparison":"EQUALS","expected":"John Doe"}],"verify_ssl":false,"auth_username":"username","auth_password":"password","version":"NODE24_PLAYWRIGHT","script":"import { test, expect } from '\''@playwright/test'\'';\ntest('\''check homepage'\'', async ({ page }) => {\n  await page.goto('\''https://example.com'\'');\n  await expect(page.locator('\''h1'\'')).toContainText('\''Example'\'');\n});"}'

Response

{
  "result": {
    "id": "a1b2c3d4",
    "name": "My landing page",
    "url": "https://example.com",
    "last_queued": "2021-01-01T00:00:00.000Z",
    "status": "UP",
    "headers": {
      "X-My-Header": "My Value"
    },
    "text_to_search_for": "string",
    "reminder_alert_interval_minutes": 1440,
    "confirmation_period_seconds": 60,
    "recovery_period_seconds": 180,
    "test_interval": 60,
    "timeout": 10000,
    "version": "NODE24_PLAYWRIGHT",
    "script": "string",
    "alert_priority": "HIGH",
    "verify_ssl": true,
    "method": "GET",
    "body": "string",
    "follow_redirects": true,
    "assertions": [
      {
        "type": "JSON_BODY",
        "property": "$.data.name",
        "comparison": "EQUALS",
        "expected": "John Doe"
      }
    ],
    "auth_username": "string",
    "auth_password": "string",
    "test_regions": [
      "aws:us-east-1",
      "aws:eu-central-1"
    ],
    "user_alerts": [
      "string"
    ],
    "slack_alerts": [
      "string"
    ],
    "discord_alerts": [
      "string"
    ],
    "incident_io_alerts": [
      "string"
    ],
    "microsoft_teams_alerts": [
      "string"
    ],
    "telegram_alerts": [
      "string"
    ],
    "oncall_alerts": [
      "string"
    ],
    "webhook_alerts": [
      "string"
    ],
    "check_type": "BROWSER"
  },
  "success": true,
  "errors": [],
  "messages": []
}
DELETE/v1/checks/browser/{check_id}

Delete a browser check

Permanently delete a browser check

Security: Bearer Auth

Provide your bearer token in the Authorization header when making requests to protected resources.

Example: Authorization: Bearer 123

Path parameters

check_id:string
Uptime Check ID

Responses

StatusMeaningDescription
200OKReturns the deleted OnlineOrNot Browser Check's ID
400Bad RequestValidation error
401UnauthorizedUnauthenticated
403ForbiddenForbidden
404Not FoundBrowser check not found
500Internal Server ErrorInternal Server Error

Response Schema

result:object
success:boolean
Whether the API call was successful
errors:object[]
messages:object[]

Request

DELETE
/v1/checks/browser/{check_id}
curl --request DELETE \
  --url https://api.onlineornot.com/v1/checks/browser/a1b2c3d4 \
  --header 'Accept: application/json' \
  --header 'Authorization: Bearer {access-token}'

Response

{
  "result": {
    "id": "a1b2c3d4"
  },
  "success": true,
  "errors": [],
  "messages": []
}

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