Verid.dev
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changedetection.io
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Screen Scraper
Verid is an API-first change monitoring platform for developers and operators. Point it at any URL, define what to extract with CSS selectors, XPath, JSONPath, regex, or AI and Verid checks it on your schedule, down to every 5 minutes. Unlike visual-diff tools that alert on any pixel change, Verid tracks the fields you care about. Set predicates like "notify me when price drops more than 5%" or "when stock changes from out to in," and ignore everything else. When a change matches, Verid delivers it as structured JSON through signed webhooks with automatic retries, a dead-letter queue, and one-click replay — plus email, Slack, and Discord. Every paid plan includes the full REST API, all extraction methods, and all delivery channels; higher tiers add capacity, not held-back features. Use it to track competitor prices, job listings, product stock, regulatory pages, or any page that matters — via a simple URL-paste form or config-as-code. Start free with 5 monitors, no credit card required.
Verid.dev ScrapingBytesVerid.dev's answer
Verid was born from a gap that I had faced while working on another product of mine that is: existing change-monitoring tools are visual-diff first and built for non-technical users, while scraping APIs are stateless one-shot tools with no scheduling or diffing. Developers who wanted "tell me when this specific field changes, via a signed webhook" had to glue together cron jobs, scrapers, and notification code themselves. Verid packages that whole pipeline, scheduled checks, structured extraction, field-level diffing, and reliable delivery into one product.
Verid.dev's answer
Verid is extraction-first, not visual-diff first. Instead of alerting when a page looks different, it extracts the exact fields you care about — with CSS, XPath, JSONPath, regex, or AI and fires only when your condition is met, like "price dropped more than 5%" or "stock changed from out to in." Changes arrive as structured JSON through signed webhooks with automatic retries, a dead-letter queue, and replay. No other change-monitoring tool combines field-level alert conditions with developer-grade webhook delivery.
Verid.dev's answer
Three reasons. First, structured output: you get JSON like {"price": 49.99, "stock": "in_stock"}, not a screenshot or an AI summary you have to parse. Second, no feature gating: every paid plan includes the full REST API, signed webhooks, Slack/Discord delivery, and all extraction methods higher tiers add capacity, not previously-withheld features, so there's no pricing surprise when you need API access or a second delivery channel. Third, reliable delivery: webhooks are HMAC-signed, retried with exponential backoff, and replayable from the dashboard.
Verid.dev's answer
Developers and technical teams who want change monitoring as infrastructure, an API, webhooks, and config-as-code. Second, operators who don't code: indie hackers, e-commerce founders, marketers, and researchers tracking competitor prices, job listings, stock levels, or regulatory pages through a simple URL-paste form and a templates gallery.
Verid.dev's answer
TypeScript end to end. Next.js and React power the dashboard and REST API, a Node.js worker fleet handles scheduled checks with BullMQ job queues on Redis, Playwright drives real headless-browser rendering for JavaScript-heavy pages, and PostgreSQL stores monitors, run history, and diffs.
Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.
Octoparse - Octoparse provides easy web scraping for anyone. Our advanced web crawler, allows users to turn web pages into structured spreadsheets within clicks.
changedetection.io - Website Change Detection and Notification - Get Restock notifications, change notifications and more!
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Distill.io - Distill.io is one of the advanced page monitoring tools used by professionals to monitor dynamic pages, feeds, and iframes.
eScraper - eScraper is an eCommerce data scraping tool that collects data from multiple sites and prepares a relevant .csv or excel file with all product info for your stores, whether its, PrestaShop, Magento, WooCommerce, or Shopify store.
