Pricing

from $0.65 / 1,000 url checks

Website Change Monitor & Diff API

Track website and API changes automatically. Detect meaningful text, HTML, regex, JSON, redirect, status, outage, and recovery changes with persistent baselines and structured diffs. Ideal for price monitoring, competitor tracking, compliance checks, and automation workflows.

Pricing

from $0.65 / 1,000 url checks

Rating

0.0

(0)

Developer

Daniel Craig

Actor stats

Bookmarked

Total users

Monthly active users

7 days ago

Last modified

Categories

Automation

Developer tools

URLs to monitor

monitors

Optional

Each item is an independent monitor. Give repeated URLs unique IDs if you want to watch them in different ways.

Type:object[]

Min. items:1

Max. items:500

Default:

[
  {
    "id": "example-homepage",
    "url": "https://example.com/",
    "mode": "text"
  }
]

State namespace

stateNamespace

Optional

Separates one monitoring workflow from another. Use a different value for separate Tasks that might monitor the same URL.

Type:string

Default:default

Global ignore regex patterns

globalIgnorePatterns

Optional

Dynamic patterns removed from every monitored value before comparison.

Type:string[]

Max. items:10

Default:

[]

Request timeout (seconds)

requestTimeoutSecs

Optional

Maximum time allowed for each request attempt.

Type:integer

Minimum:3

Maximum:120

Default:20

Retries

maxRetries

Optional

Retries for transient network errors, 408/425/429, and common 5xx responses.

Type:integer

Minimum:0

Maximum:3

Default:1

Maximum redirects

maxRedirects

Optional

Maximum validated redirect hops per check.

Type:integer

Minimum:0

Maximum:10

Default:5

Maximum response bytes

maxResponseBytes

Optional

Safety cap on downloaded response size for each page check.

Type:integer

Minimum:10000

Maximum:1500000

Default:1000000

Concurrency

maxConcurrency

Optional

Number of monitors checked in parallel. Lower this for sensitive websites or very large pages.

Type:integer

Minimum:1

Maximum:16

Default:8

Reset baselines

resetBaseline

Optional

Delete the matching stored baselines before this run. The current values become new baselines and changed=false.

Type:boolean

Default:false

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