MercariAlert — New Listing Notifier for Mercari

Instant notifications for new Mercari listings that match your saved searches.

Never miss a new Mercari listing again. MercariAlert is a Mercari alert / Mercari notifier that watches your saved Mercari searches in the background and sends a desktop notification the instant a matching item is listed -- before it shows up in anyone's feed, before a reseller flips it, before it sells. Set up a Mercari saved search alert in seconds: 1. Type a keyword -- "Nintendo Switch", "Coach bag," "Pokemon cards" -- or paste a mercari.com search URL 2. Optionally cap the max price 3. Get a desktop notification with the item's title, price, and photo the moment it's listed Why MercariAlert: - Real Mercari new listing alerts -- not a generic keyword scraper. MercariAlert checks Mercari's actual search results for your saved search, sorted newest-first, and only notifies you on items you haven't seen before. - Click a notification to jump straight to the listing on Mercari. - A built-in "Matches" tab keeps a running feed of everything you've caught, with thumbnails, so you can review what came in while you were away. - Free plan: 1 saved search, checked every 15 minutes. - Pro plan ($9.99/mo): unlimited saved searches, checked every 5 minutes -- the difference between catching a good flip and missing it. Built for Mercari resellers, collectors, and deal hunters who are tired of refreshing search results by hand. Whether you're sourcing sneakers, trading cards, vintage electronics, or anything else that moves fast on Mercari, MercariAlert is the Mercari search alert / Mercari saved search notifier that does the refreshing for you.