---
title: "mendi.io Promo Codes & Cashback"
description: "Promo Codes at mendi.io. Get 15 Verified - 20% Off. Save with verified codes and earn cashback on Refermate."
canonical_url: "https://refermate.com/store/mendi-io/promo-codes"
md_url: "https://refermate.com/store/mendi-io/promo-codes"
last_updated: "2026-08-03T04:04:18.556Z"
---
# mendi.io Promo Codes - 15 Verified - 20% Off + Up to 8.4% Cash Back

- URL: https://refermate.com/store/mendi-io/promo-codes
- Page: Promo Codes
- Store: mendi.io
- Best current offer: 15 Verified - 20% Off
- Offer counts: 15 coupons and 0 deals
- Store website: https://www.mendi.io
- Last refreshed: Monday, August 3, 2026

## Current Offers

### 1. 20% OFF
Type: Coupon code
Code: `BRAIN20`
Description: Get 20% Off Sitewide

### 2. 20% OFF
Type: Coupon code
Code: `JOSH20`
Description: Enter this Mendi coupon code to get 20% off on your storewide orders.

### 3. 15% OFF
Type: Coupon code
Code: `BRAIN15`
Description: Get 15% Off Any Order

### 4. 20% OFF
Type: Coupon code
Code: `FD23`
Description: Get 20% off on your storewide orders when you enter this Mendi coupon code.

### 5. 20% OFF
Type: Coupon code
Code: `ADHD20`
Description: Enter this Mendi coupon code to get 20% off across the entire site.

### 6. BRAIN20BRAIN20
Type: Coupon code
Code: `BRAIN20BRAIN20`

### 7. 20% off
Type: Coupon code
Code: `mendiwithdrcody`
Description: 20% Off Storewide at Mendi. io

### 8. 20% off
Type: Coupon code
Code: `COURTNEY20`
Description: 20% Off Storewide at Mendi. io

### 9. 15% off
Type: Coupon code
Code: `DRSTORAGE`
Description: 15% Off Storewide at Mendi. io

## About mendi.io

mendi.io sells a neurofeedback brain-training headset for customers in the United States, along with a companion app that guides mental fitness sessions to support focus, calm, and cognitive performance.

## Frequently Asked Questions

### 1. How many mendi.io promo codes are available right now?
mendi.io currently has 15 verified coupon codes available. These are regularly verified and updated to ensure they work at checkout.

### 2. What is the best mendi.io discount today?
The best mendi.io offer right now is "15 Verified - 20% Off". This deal has been verified and is currently active.

### 3. Does mendi.io offer cashback?
Yes, you can earn up to 8.4% cash back on mendi.io purchases through Refermate. This can be combined with promo codes for extra savings.

### 4. How do I use a mendi.io promo code?
Copy the code from this page, add your items to your mendi.io cart, and paste the code in the promo code or coupon field at checkout. The discount will be applied to your order total before payment.

### 5. How often are mendi.io promo codes updated?
We update mendi.io promo codes daily. Our team verifies each code to ensure it's working, and removes expired offers automatically.

## Explore More

- Site map: https://refermate.com/sitemap.md
- Store sitemap: https://refermate.com/stores/sitemap.md
- Store directory: https://refermate.com/stores