Competitor Tech Change Alerts – track stack changes
Watch a list of competitors or prospects. Schedule this task daily or weekly: the dataset contains only sites whose technologies were added, removed or changed version since the last run (confirmed on two consecutive runs to filter noise). Includes DNS (email provider, SaaS verifications) and browser rendering where needed.
Input
Output fields
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The Tech Stack Detector & Change Monitor - Wappalyzer Alternative Actor is ready to run with the inputs already set for "Competitor Tech Change Alerts – track stack changes". Sign up or log in and you'll land in Apify Console with a copy of this exact task.
Start the "Competitor Tech Change Alerts – track stack changes" task
The Tech Stack Detector & Change Monitor - Wappalyzer Alternative Actor will start running based on the input automatically. You can also change all the input fields, like websites, change monitor id (optional), and more, to match your specific use case.
Receive the "Competitor Tech Change Alerts – track stack 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 domain, HTTP, fetched via, 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 "Competitor Tech Change Alerts – track stack changes" task via API.

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