All articles
ExplainerJuly 14, 20265 min read

Are Coupon Sites Safe? What to Check Before You Use One

Browser extensions, fake codes, and affiliate hijacking — how coupon sites make money and how to tell a trustworthy one from a risky one.

Coupon sites are free because merchants pay them a commission when a shopper they referred completes a purchase. That model is legitimate and disclosed across the industry — but it also explains the behaviors worth avoiding.

The risk isn't the code, it's the extension

A browser extension that tests codes for you needs permission to read every page you visit, including checkout pages with your address and card fields on them. That's a large amount of access to hand over for a discount. A website you visit deliberately reads nothing about your other tabs.

Signs a coupon list isn't real

  • No expiration dates anywhere on the page.
  • Dozens of codes for a store that runs two promotions a year.
  • Success rates shown as a percentage with no date attached.
  • Codes that require you to click through five interstitials to reveal.

What good looks like

A trustworthy coupon source tells you where the offer came from, when it expires, and what its conditions are — and doesn't pretend an expired code is live. 9mallsAI publishes only merchant-supplied offers from affiliate feeds, each with its store, dates, and terms attached, and discloses that links may earn a commission at no cost to you.

Find a code for your store

Search any brand for live merchant-supplied codes, on-site sales, and deal news.

Search 9mallsAI