Solution

Price monitoring software for any website

One dashboard tracking prices across every retailer you care about. Plain-English rules, multi-channel alerts, five-minute check intervals.

Start free trial How it works

Price monitoring is the practice of tracking product pricing across the web for changes — drops, increases, promotional activations, restocks. WebMonitor.fyi handles the polling, change detection, and alerting so you don't have to refresh tabs. The price monitoring tool works with any publicly accessible product page: Amazon, Walmart, Target, Best Buy, eBay, Costco, hotel booking sites, electronics retailers, fashion sites, and direct-from-brand stores. Used by shoppers waiting on a deal, resellers tracking competitor pricing, procurement teams managing supplier catalogs, and travel planners watching hotel and flight rates.

What it does

Works on any retailer page

Not limited to a curated list — any publicly accessible product URL works. Pre-built templates for major retailers; free-form support for direct-from-brand stores and niche sites.

Plain-English criteria

Write the rule in normal language: "alert me when this drops below $X" or "tell me when a member-only price activates". No regex, no XPath, no scripting.

Adjustable check frequency

Five-minute checks for limited-time deals and restock hunting. Hourly for everyday tracking. Daily for slow-moving items. Pick per monitor.

Multi-channel delivery

Email, SMS, webhook into Slack/Discord/your-tool-of-choice. Match the channel to the urgency.

Visual history

See each detected change with the before/after page state. Useful when a listing modifies the photo, title, or seller without changing the price.

Bulk monitor management

Dozens to hundreds of monitors from one account. Tag them, group them, batch-edit them.

How to set it up

Add the product URL

From the dashboard, click Add New Monitor and paste any product page link.

Write the criterion

Anything from "alert me on any change" to "notify me when this drops by 15% or more and is in stock for Prime shipping". The AI parses the natural-language criterion into a watch rule.

Pick a frequency and a channel

Five-minute intervals for limited-time deals; hourly or daily for general tracking. Email, SMS, or webhook.

Get alerts when something changes

The alert includes the old value, the new value, and a link back to the listing.

Common use cases

Personal shoppers waiting for a wish-list item to drop into budget
Resellers tracking competitor pricing for repricing decisions
Procurement teams watching supplier catalog changes
Travel planners catching hotel and flight rate drops
Deal aggregator sites sourcing programmatic content
E-commerce brands monitoring third-party seller activity for MAP violations

Honest limits

Price monitoring is constrained by what a retailer renders publicly. Personalized prices that only show after login, A/B-tested pricing that varies by user cookie, and prices hidden behind a member portal are outside what a public-page monitor can see. For those, an authenticated integration is required, which the standard product doesn't cover.

Frequently asked questions

Is price monitoring software legal?

Reading publicly available web pages is legal under US law and most other jurisdictions. WebMonitor uses standard web requests at reasonable intervals, respects robots.txt as a baseline guideline, and does not bypass paywalls or login walls. Anti-scraping case law (HiQ v. LinkedIn, etc.) has generally found public-page scraping permissible. We do not, however, provide legal advice — for high-volume commercial monitoring, check with counsel.

Will retailers block the monitoring?

Aggressive sub-minute polling triggers anti-bot defenses on most major sites. WebMonitor uses sane intervals (five minutes is the floor on most plans), rotated request patterns, and reasonable rate limits. The result: monitors run reliably on major retailers without getting blocked.

What's the difference between price monitoring and price comparison?

Price comparison shows you the current price across multiple sites at one point in time (e.g., Google Shopping). Price monitoring tracks changes over time and alerts you when conditions are met. The two complement each other — compare once you have an alert.

How is this different from browser extensions like Honey or CamelCamelCamel?

Browser extensions are limited to specific retailers (CamelCamelCamel = Amazon only) and rely on you visiting the page. WebMonitor checks any retailer in the background at the interval you set — no browser tab required, no curation by the extension vendor.

Can I track historical pricing?

Yes — the dashboard shows the price history for every monitor. Used for spotting seasonal patterns ("this product hits its annual low in late November") and for deciding whether the current price is genuinely a deal vs. a manufactured discount.

Monitor

Try it on the page you want to monitor

Free trial. No credit card. Paste a URL, write a criterion, get alerts.

Start free trial