1 in 4 coupon codes fails at checkout. Across 78.8 million live checkout tests, 26.2% were rejected. That's one of the top findings from our new 2026 State of Coupon Codes report.
Code supply has 5x'd since 2022. The median discount hasn't moved off 15% in three years.
Taco Bell is the #2 most-copied coupon brand in America. It hasn't had a working code in 1.3 years. Five of the top 20 most-searched brands never have.
Full report: https://t.co/PhKMFamgF3
1 in 4 coupon codes fails at checkout. Across 78.8 million live checkout tests, 26.2% were rejected. That's one of the top findings from our new 2026 State of Coupon Codes report.
Code supply has 5x'd since 2022. The median discount hasn't moved off 15% in three years.
Shopping on an online marketplace? Your odds of finding a working promo code vary widely.
We tracked 686 real checkout attempts across marketplaces last week. Here's what the data says:
• Temu: 69% success rate
• Amazon: 4%
• TikTok Shop: 2%
• Mercari: 1%
• Etsy: 0%
The viral conversation around Honey exposes a hidden incentive: most extensions are built to track your checkout, not save you money.
They get paid just for being the last click—even if the coupon code doesn't work.
Here's how we’re fixing this "Failure Economy" at SimplyCodes: https://t.co/DlgufqvjLq
We are building the Determinism Layer for commerce.
In an age of AI and dynamic pricing, you need to know what is real.
Read the full investigation on how we are re-engineering the infrastructure of the affiliate industry: https://t.co/7PgxB7zxVM
You think broken promo codes are just bad luck. They aren't.
The internet is economically engineered to waste your time at checkout.
We investigated the "Failure Economy" to understand why the current system rewards broken codes over working ones—and how we’re fixing it.
Here is what we found. 🧵👇
To solve this, we had to rethink the economics of truth.
We built a system based on Byzantine Fault Tolerance that rewards accuracy, not just clicks:
Double-blind human verification
Reputation staking (Accuracy = $)
Real-time consensus
We don't just sell codes; we sell certainty. 🧠
🧵 How to build a capsule wardrobe that saves you $1,300+ a year.
If your closet is bursting but you still feel like you have nothing to wear—this thread is your blueprint.