---
title: "Day One Promo Codes"
description: "Promo Codes at Day One. Check for offers and shopping options on Refermate."
canonical_url: "https://refermate.com/store/day-one/promo-codes"
md_url: "https://refermate.com/store/day-one/promo-codes"
last_updated: "2026-10-22T20:17:11.032Z"
---
# Day One Promo Codes - Up to 16.8% Cash Back

- URL: https://refermate.com/store/day-one/promo-codes
- Page: Promo Codes
- Store: Day One
- Current offers: 1 offer
- Store website: http://www.drinkdayone.com
- Last refreshed: Thursday, October 22, 2026

## Current Offers

### 1. WELCOME10
Type: Coupon code
Code: `WELCOME10`

## About Day One

Day One is a United States online store selling Day One non-alcoholic functional beverages designed to support mood and relaxation \(as an alcohol alternative\).

## Frequently Asked Questions

### 1. How many Day One promo codes are available right now?
Day One currently has 1 current offer listed. Availability and terms can change, so check the offer details before checkout.

### 2. Does Day One offer cash back?
Yes, you can earn up to 16.8% cash back on eligible Day One purchases through Refermate. The offer and cash back terms determine whether a promo code can be combined with it.

### 3. How do I use a promo code at Day One?
When a code is listed, copy it from this page, add your items to your Day One cart, and paste the code in the promo code field at checkout. Check the offer terms to confirm the discount applies.

### 4. When was this Day One promo codes page updated?
Refermate updates this page when its Day One offer or store data changes. Check the current offer details before shopping.

## Explore More

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