Pricesaurus
Price drop alert app. Love it. Save it. Wait for it to drop. Paste a product URL. Pricesaurus watches the price. You get a mail or a push when it drops. iOS, Android, and web. Spanish and English.
We are not a store catalog and not a checkout. You already picked the product. We wait for the right price. Vexilo LLC builds Pricesaurus. Write alfonso@pricesaurus.com or use the contact form.
How it works
Copy a product link from any store and save it. Your list is ready for price tracking. Set an alert and get on with your day. When we detect a price drop, we let you know. Open the product from the alert and decide whether it is time to buy.
See how the price has changed since you saved the product. Compare recorded prices and make your decision with more context than a sale sticker.
One product, several stores. When the same product sells in more than one store, paste each link into the same product. We watch them all and the alert tells you the best price and which store has it.
Stores
It works in the stores you already shop: Amazon, Walmart, Liverpool, Costco, Best Buy, Target, The Home Depot, El Palacio de Hierro, Etsy, Wayfair, and any store with a product link. Pricesaurus is not tied to one store. Brands belong to their owners; Pricesaurus is not affiliated with these stores.
Pricing
Essential 2.99 USD a month (5 products, 1 alert each, daily checks). Plus 5.99 (15 products, 3 alerts, checks every 12 hours, Watch API, Telegram). Max 9.99 (40 products, unlimited alerts, checks every 6 hours, Watch API). Fourteen-day trial. Full table: /pricing and /pricing.md.
Watch API and MCP
Developers on Plus and Max can watch URLs over HTTP. Human docs: /developers. Markdown: /docs/api.md. OpenAPI: /openapi.json. Auth walkthrough: /auth.md.
REST base /api/v1. Loop: POST /api/v1/extract with a product URL, POST /api/v1/products to watch it, POST /api/v1/products/{id}/alerts with condition drops. Webhook event price.alert with HMAC. Public docs MCP is POST /mcp. Product MCP tools are POST /.well-known/mcp (also POST /mcp/watch) with Authorization Bearer. Official SDK and CLI: npm install pricesaurus. Source: github.com/alfonsobries/pricesaurus-js.
About and legal
Read /about, /privacy, and /terms. We collect your email, the URLs you save, and notification preferences. We do not sell your data. Markdown twins: /about.md, /privacy.md, /contact.md, /terms.md.
FAQ
What is Pricesaurus? A price watcher. Paste a product URL, set an alert, get a mail or a push when the price drops.
Is there a developer API? Yes. The Watch API on Plus and Max. OpenAPI at /openapi.json. MCP at /mcp and /.well-known/mcp. Authentication is a Sanctum personal access token as a Bearer header.
Which stores? Any product page URL: Amazon, Walmart, Liverpool, Costco and more. You never pick a store. Host contracts stay internal.
Alerts go out by email and push. Plus and Max can also send Telegram and a signed webhook. Cancel in the App Store, Google Play, or Stripe, matching how you paid.
