Show HN: Free AI Website Change Tracker and Smart Alerts

2 weeks ago 2

How it works

1. Tell Canary what to watch 👀

Paste any link - a product page, job board, dashboard, etc. - and describe what you want tracked.

Notify me when the price drops below $300. amazon.com/product...

Alert me when new jobs are added. indeed.com/q...

2. Get smart notifications 🔔

Canary continuously monitors and notifies you the moment something changes - via Slack, chat, or email.*

The price for Sony WH-1000XM5 Headphones just fell below your target of $300. Current price: $285

5 new remote design jobs just posted! View all jobs →

Use Cases

🛍️ Track Price Drops

Track

amazon.com/Beats-Stud... and notify me when the price drops below $120.

The price of Beats Studio Buds - True Wireless Noise Cancelling Earbuds just dropped to $118.99 on Amazon.

Check out this case in the chat →

🎫 Track Ticket Releases

Watch

ticketmaster.com/taylor-swift-tickets

and alert me when new tickets are available.

🎶 New Taylor Swift Eras Tour tickets are now live on Ticketmaster - hurry before they’re gone!

Check out this case in the chat →

💼 Track Open Positions

Monitor

lifeatspotify.com/jobs

and notify me when a Remote Product Designer position appears.

New job posted - Product Designer (Remote, Europe) at Spotify.

Check out this case in the chat →

🏠 Track New Rentals

Track

zillow.com/san-francisco-ca/rentals/

and notify me when new 1-bedroom apartments under $2500 appear.

🏡 New listing found - 1BR apartment in Mission District, $2,450/mo, available now on Zillow

Check out this case in the chat →

Why Canary

🧭 AI-Powered Web Monitoring

Canary understands HTML like a human - no messy XPath rules or complex setup. Just describe what you want.

📩 Flexible Notifications

(Choose how you get updates - Slack, Telegram, Discord, email, or webhook.)*
*Coming soon
Currently, only chat notifications in Canary are available.

⚡ Usage-Based Billing

Pay only for what you monitor. Transparent, fair pricing - from small side projects to enterprise-scale tracking.

🔁 Smart Version Comparison

Each check compares content, structure, and data changes - powered by AI diffing, not fragile scrapers.

FAQ

What is Canary?

Canary is an AI web monitoring tool that tracks any website for changes - prices, reviews, jobs, or data - and sends smart notifications instantly.

How does the pricing work?

Canary is currently free to use during the beta period under a fair usage policy. This means you can freely create and monitor checks, but excessive or abusive usage may be limited to ensure stable performance for all users.

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