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Monitor a JSON API field for changes

Baseline one JSON field and report when its value changes without saving the full API response in the result dataset.

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Website Change Monitor & Diff API
Website Change Monitor & Diff APIcraigtechservicesllc/website-change-monitor-diff-api
Monitor ID
Requested URL
Comparison mode
Changed
+11 fields
Text
Number
Boolean
List
Object

Input

URLs to monitor
Monitor ID:apify-sdk-star-count
URL(required):https://api.github.com/repos/apify/apify-sdk-js
Comparison mode:json
JSON Pointer:/stargazers_count
Normalize whitespace:true
Case-sensitive comparison:true
Preview length:200
State namespace:public-example-json-field-monitor
Request timeout (seconds):20
Retries:1
Maximum response bytes:1000000

Output fields

Monitor ID
Requested URL
Comparison mode
Changed
Change types
Baseline created
Request succeeded
HTTP status
Previous HTTP status
Response time
Checked at
Current preview
Previous preview
Content diff
Error

How it works

Sign up on Apify or log in

The Website Change Monitor & Diff API Actor is ready to run with the inputs already set for "Monitor a JSON API field for changes". Sign up or log in and you'll land in Apify Console with a copy of this exact task.

Start the "Monitor a JSON API field for changes" task

The Website Change Monitor & Diff API Actor will start running based on the input automatically. You can also change all the input fields, like URLs to monitor, state namespace, and more, to match your specific use case.

Receive the "Monitor a JSON API field for changes" output

Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as monitor id, requested url, comparison mode, and more.

Integrate into your workflow

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Monitor a JSON API field for changes" task via API.

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Integrate "Monitor a JSON API field for changes" into your workflow

Connect "Monitor a JSON API field for changes" with 100+ integrations, or run it via API or MCP.

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