Back-in-stock alerts

Stop refreshing an unavailable product.Get an availability signal.

Monitor a supported product, ticket, registration, or reservation page for a change to available or in stock.

Create a stock watch See how it works

Free plan · No credit card · Checks every 12 hours

Limited inventory can return without a predictable schedule. Nythra checks the page on your selected cadence and alerts when the monitored availability state changes.

Start with a page tied to a real decision

Products and restocks

Watch visible sold-out or in-stock language on a supported product page.

Tickets and events

Monitor public ticket-status or on-sale wording on a selected event page.

Reservations

Watch a public availability page when its content changes predictably.

Enrollment and registration

Track public open, closed, full, or registration-available wording.

What Nythra does for you

Availability condition

Choose becomes available so the watch is aligned with the outcome you want.

Practical check frequency

Use 12-hour checks for free or Pro 6-hour checks when the opportunity is more time-sensitive.

Verify at the source

Open the product URL from the watch and confirm current availability before acting.

Start with 3 free watches checked every 12 hours. Pro adds 30 watches, 6-hour checks, targeting controls, and browser fallbacks.

From URL to useful alert in three steps

STEP 01

Paste the exact URL

Choose the public page that contains the information you need to follow.

STEP 02

Choose what should trigger

Select the watch goal, condition, check frequency, and notification destination.

STEP 03

Review the source

Open a detected change, inspect the evidence, and verify the current page before acting.

Clear expectations

Nythra cannot reserve inventory, add an item to a cart, complete a purchase, or guarantee access to every storefront.

Before you create the watch

How does a back-in-stock watch work?

Nythra compares the monitored page state with the previous successful check and can alert when it changes to available or in stock.

Will Nythra buy or reserve the item?

No. Open the source page, confirm availability, and complete the transaction yourself.

What availability wording can I focus on?

Common examples include out of stock, sold out, unavailable, in stock, available, preorder, registration open, and add to cart.

Does it work on every product page?

No. Some pages block automation or expose availability in ways Nythra cannot reliably monitor.

Simple, transparent pricing

Start free. Upgrade for more watches, automation, and advanced browser access.

Free
$0 forever

For three ordinary product or availability pages checked every 12 hours.

  • 3 active watches
  • Checks every 12 hours
  • 250 monitored page checks/month
  • 50 content-change email alerts/month
  • 20 retained changes per watch
Start Free
Create a stock watch

No credit card required · Upgrade for more watches and automation

Add the availability page you are tired of refreshing.


Create a stock watch