E-Commerce Price Tracking
Monitor prices across any e-commerce website. Get instant alerts when prices change, detect flash sales before they end, and track competitor pricing strategies -- all on autopilot.
The Problem with Manual Price Tracking
Time-consuming manual checks
Visiting dozens of product pages daily to compare prices wastes hours that could be spent on strategic decisions.
Missed price drops
Flash sales and temporary discounts often last only hours. By the time you notice, the opportunity is gone.
Competitor blind spots
Without systematic monitoring, competitor pricing changes slip by unnoticed, leaving you reactive instead of proactive.
No historical data
Without tracking history, you cannot identify pricing patterns, seasonal trends, or long-term strategies.
How OnChange Solves Price Tracking
OnChange lets you monitor the exact price element on any product page using CSS selectors. When the price changes -- even by a single cent -- you get an instant notification through your preferred channel.
CSS Selector Targeting
Point OnChange at the exact HTML element that contains the price. No noise from other page changes -- just clean price data.
Sub-Minute Check Intervals
Check prices as frequently as every 10 seconds. Catch flash sales and lightning deals the moment they go live.
Multi-Channel Alerts
Get notified via email, Slack, Discord, or custom webhooks. Route different product alerts to different channels.
Change History & Diffs
Every price change is logged with timestamps. Review historical data to understand pricing patterns over time.
Smart Filtering
Set threshold-based alerts so you only get notified when prices drop by a meaningful amount, reducing noise.
API Access
Integrate price data into your own tools and dashboards using the OnChange REST API. Build custom analytics pipelines.
Example Workflow: Tracking a Product Price
Add the product URL
Paste the product page URL into OnChange. The platform loads the page and renders it in a real browser so JavaScript-heavy sites work perfectly.
Select the price element
Use the visual element picker or manually enter a CSS selector like .price-current or [data-price] to target the exact price element.
Set your check frequency
Choose how often OnChange should check for changes -- from every 10 seconds for time-sensitive deals to hourly for routine tracking.
Configure alerts
Choose where to receive notifications: email, Slack, Discord, or a custom webhook. Set up multiple channels for redundancy.
Get notified instantly
When the price changes, you receive a notification with the old price, new price, and a link to the product page. Act immediately on opportunities.
Benefits for E-Commerce Teams
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Start Tracking Prices Today
Set up your first price monitor in under two minutes. No credit card required to get started.
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