uBuyFirst web app · Newly released

The eBay item tracker for lists bigger than 500.

You already know the item numbers. Paste them in — the tracker follows every listing’s price, status, quantity and end time, and tells you on the channel you choose when one moves.

Start tracking free →

You need a uBuyFirst web app account. Free for now.

The Item Tracker grid in the uBuyFirst web app: tracked eBay listings with price, price change, status, quantity and start date, including a logged price drop from $35.00 to $30.00
Price drop logged — $35.00 → $30.00 · −14%
Why the watch list isn’t enough

eBay’s watch list wasn’t built for your list.

  • “eBay’s watch list holds 500. My list is bigger.”

    Paste 10,000+ item numbers into one grid and let the tracker hold the list.

  • “I found out about the restock the next morning.”

    Every tracked listing is checked every 5 to 10 minutes, and the alert goes out on your channel when the change is seen.

  • “The items I already purchased get relisted or change price, and I never hear about it.”

    Paste the item numbers from past buys. When one drops in price, sells out or comes back, you hear about it.

How it works

Paste the list once. The grid stays current.

  1. Step 1

    Paste your item numbers

    Open the Track tab in the web app, click Add items, and paste eBay item IDs one per line — from a spreadsheet, a sourcing list or the numbers in the listing URLs. Up to 10,000 in one paste.

    The Track new items dialog: paste eBay item IDs one per line, up to 10,000 at once
  2. Step 2

    The first status lands

    A new item reads Pending, then shows its first status within 10 to 60 minutes. After that, every tracked listing is checked every 5 to 10 minutes.

    Item Tracker before any items are added, with the alerts panel collapsed and paused
  3. Step 3

    Read the grid

    Tabs with live counts: All · Active · Ending soon · Price drops · Out of stock · Sold · Ended. Filter, sort, search and hide columns; every row shows when it was last checked.

    The tracked-items grid with status tabs and live counts, price change and last-checked columns
  4. Step 4

    Turn alerts on

    Pick the events that matter and the channels you want them on. Everything else waits in the grid for the next time you look.

    The tracked-item alerts panel with Price drop and Out of stock selected, sending to email
What the tracker records

Everything a listing can do, tracked.

  • Price

    Every change logged with a timestamp, so you can see the trend, not a single glance.

  • Status

    Active, out of stock, sold or ended — and whether it sold or the seller simply ended it.

  • Quantity

    Stock running down, hitting zero, coming back — the moment the watch list never mentions.

  • End time

    Auctions run down; Good ’Til Cancelled listings renew or get ended early. The grid keeps up.

Every item keeps its own from → to record — what changed, from what, to what, and when.

  • eBay Compatible Application

    Listed with eBay’s developer program

  • eBay’s official API

    Your eBay login is never involved

  • Every 5–10 minutes

    Each tracked listing, refreshed

  • 10,000+ item numbers

    One grid, one history per item

Who it’s for

Three lists buyers already have.

  • Items you already purchased

    The item numbers are on your orders. Paste them in and hear when one drops in price, sells out or comes back in stock.

  • The tracked-items grid with its status tabs: All, Active, Ending soon, Price drops, Out of stock, Sold, Ended

    Your watch list, without the 500 wall

    eBay’s watch list holds 500 and updates on eBay’s schedule. This one holds 10,000+ item numbers and checks every 5 to 10 minutes. A lot of buyers simply replace it.

  • A seller’s inventory, by item number

    Sourcing from sellers you know? Paste the item numbers you care about and hear when their stock or price moves.

Alerts

Told on the channel you keep open.

Alert me when an item is…

Price drop · Back in stock · Out of stock · Sold · Ended

Send to

The channels you’ve connected in Notify: email, Slack, Telegram, WhatsApp or Discord.

One short message per change. Nothing else gets through.

Tracked-item alerts turned on: triggers Price drop and Out of stock, sent to email
Built to be built on

API coming soon. API and MCP coming soon.

Add or remove item numbers through the API, feed your own list, pull the history into your own system.

eBay’s watch list vs. Item Tracker

Why buyers outgrow eBay’s watch list.

Item Tracker is somewhat like a robust eBay watch list — but the watch list is a bookmark. A tracker is a record. The difference, field by field.

FieldeBay’s watch listuBuyFirst Item Tracker
What it recordsCurrent price and whether it’s live✓Price, status, quantity and end time, with a timestamped history
Price historyNone✓Every change logged, from → to
QuantityNot tracked✓Counted on every check — out of stock and back in stock are events
Scale500 items✓10,000+ item numbers, 10,000 per paste
Being toldeBay’s emails, on eBay’s schedule✓Your channels, only the events you pick
Adding itemsOne click per listing✓Paste a list
RefreshWhen you open the page✓Every 5 to 10 minutes
Your eBay accountNeeds your login✓Not involved — reads listing data under uBuyFirst’s own credentials

Want to catch new listings the moment they appear? That’s eBay alerts. Item Tracker is for listings you’ve already found.

Setup details, the grid’s columns and the alert triggers are in the Item Tracker docs.

FAQ

Questions from watch-list refugees.

How many items can I track?+

Track 10,000+ item numbers. A single paste takes up to 10,000 at a time, one per line. Need more? Contact us.

How fast are updates?+

Every tracked listing is checked every 5 to 10 minutes. A new item reads Pending and shows its first status within 10 to 60 minutes.

Does it use my eBay account?+

No. uBuyFirst reads listing data through eBay’s official API under its own credentials. Your eBay login is never involved and nothing is added to your eBay watch list.

What does it cost?+

It’s free for now. You need a uBuyFirst web app account; the web app runs in the browser on Mac and PC.

Can I track a price drop on one item?+

Yes. Paste the item number, turn on the Price drop trigger, and pick a channel. The change is also logged in the item’s history.

What happens when a listing ends or the seller relists it?+

You’re told it ended. A relisted item usually gets a new item number, so paste the new number to keep following it.

Stop refreshing tabs. Let the tracker watch.

Newly released · 10,000+ item numbers · checked every 5–10 minutes

Start tracking free →

You need a uBuyFirst web app account. Free for now.

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