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Commerce Price Monitor

Monitor public e-commerce pages for products, prices, availability, screenshots, and changes over time.

This Actor is built for stores, agencies, resellers, SEO teams, and price-monitoring workflows where the user is allowed to crawl the target pages.

What it does

• Crawls store, category, collection, and product URLs
• Renders pages with Playwright
• Detects product pages by URL patterns and structured data
• Extracts product title, price, currency, availability, brand, SKU, image, and page hash
• Reads JSON-LD Product data when available
• Falls back to common price and title selectors
• Captures optional screenshots
• Compares results against previous runs
• Marks price, availability, and content changes
• Saves structured records to the default Apify Dataset

Best use cases

• Price monitoring
• Product availability monitoring
• Competitor product tracking
• Store catalog discovery
• Client site audit snapshots
• Reseller listing watchlists

Input

The Actor uses INPUT_SCHEMA.json.

Important settings:

• start_urls: store, category, collection, or product URLs
• max_pages: total pages to visit
• max_products: total product records to save
• max_depth: link depth from the start URLs
• product_url_patterns: URL fragments that identify product pages
• price_selectors: optional CSS selectors for price fallback
• title_selectors: optional CSS selectors for title fallback
• capture_screenshots: save product screenshots
• detect_changes: compare against previous run state

Output

Each product record includes:

• url
• title
• price.raw
• price.amount
• price.currency
• availability
• brand
• sku
• image
• images
• content_hash
• previous_price
• price_changed
• availability_changed
• content_changed
• changed
• screenshot_key

The final Dataset item is a summary with crawl totals.

Monetization

Recommended Apify pricing:

• keep apify-actor-start
• keep apify-default-dataset-item
• price per product/result item

This Actor has a clear paid use case: users pay to monitor products and price changes without building their own crawler.

Responsible use

Use this Actor only on websites you own, manage, or are allowed to crawl. It does not bypass CAPTCHA, paywalls, logins, or access controls.