AUTOMATION & INTEGRATIONS · WORTH A LOOK
changedetection.io
Open-source (Apache-2.0, about 35K GitHub stars, github.com/dgtlmoon/changedetection.io) website change monitor.
What changedetection.io does
Open-source (Apache-2.0, about 35K GitHub stars, github.com/dgtlmoon/changedetection.io) website change monitor. Watches pages or specific elements, handles JavaScript sites with a real Chrome browser and browser steps (log in, search, click), detects price and restock changes, and sends alerts to 85+ destinations (Slack, Discord, Telegram, email, webhooks). Self-host free or use the official hosted service.
Good for
- Wake a bot or automation only when a page actually changed: send a webhook to n8n, Make or Zapier instead of scraping on a timer
- Watch competitor pricing, plans and product pages and get a Slack or email alert on changes
- Track supplier stock and restocks, tender/grant pages, regulations or job boards
- Monitor your own site for unexpected edits or broken pages
Try this in 10 minutes
- Wake a bot or automation only when a page actually changed: send a webhook to n8n, Make or Zapier instead of scraping on a timer. Use the free plan: pick one real example from your own business and try just that.
- Watch competitor pricing, plans and product pages and get a Slack or email alert on changes. Put the result next to how you do it today. Is it faster, cheaper or better?
- Track supplier stock and restocks, tender/grant pages, regulations or job boards. Note what you had to fix by hand before you'd show it to a customer.
Mini-tasks based on common small-business uses for this tool.
Honest take
No red flags in our notes so far
- Pair it with an AI step: changedetection.io triggers the webhook, then an AI agent summarises what changed.
- Cheaper than running a scraper plus LLM on every check.
- The hosted $8.99/mo plan avoids self-hosting.
Pricing
Open source: free to self-host (Docker/Python). Hosted (official): $8.99/mo; up to 5,000 URLs, checks from about every 5 minutes, one real Chrome browser included, EU/US/Tor proxies.
Prices as listed by the maker when we last checked (2026-10-20); usually in US dollars. Check the website for current prices.
Latest update
- : Added changedetection.io: open-source page-change monitor (self-host free, hosted $8.99/mo) that can fire a webhook so bots and automations only run when a page actually changed.
Is changedetection.io worth it? Quick answers
Is changedetection.io worth it?
changedetection.io is worth a look if it matches a job you already do (Automation & integrations). Pair it with an AI step: changedetection.io triggers the webhook, then an AI agent summarises what changed. There is a free tier, so you can test it before paying.
How much does changedetection.io cost?
Open source: free to self-host (Docker/Python). Hosted (official): $8.99/mo; up to 5,000 URLs, checks from about every 5 minutes, one real Chrome browser included, EU/US/Tor proxies.
What is changedetection.io used for?
Open-source (Apache-2.0, about 35K GitHub stars, github.com/dgtlmoon/changedetection.io) website change monitor. Typical uses: wake a bot or automation only when a page actually changed: send a webhook to n8n, Make or Zapier instead of scraping on a timer; watch competitor pricing, plans and product pages and get a Slack or email alert on changes; track supplier stock and restocks, tender/grant pages, regulations or job boards.