Carrd Referral Code ZR1F5J21: Notes to Keep Before a Payment Query
Carrd referral code ZR1F5J21 gives a 30% discount on the Pro tier you select, but only if the code is entered in the referral or promo code field at checkout before you confirm payment. This article covers the record worth keeping during the upgrade, so that you can explain any mismatch between the price you expected and the total you were charged, without guessing at the cause.
What the code is and where it goes
Carrd is a browser-based website builder focused exclusively on single-page sites. Code ZR1F5J21 is a referral code, which means an existing user shares it for a new user to apply when upgrading. It is entered on the checkout step of the upgrade flow, alongside payment details, and not in account settings. The discount is a percentage calculated on whichever Pro tier plan you choose.
Facts to note before you pay
Before submitting payment, write down the following:
- The email address you used to create your free account, and the date you created it. The knowledge says a free account needs only an email and password, with no card required.
- The site you were building and the Pro tier you chose on Carrd's pricing screen.
- The total shown at checkout before the code is entered, and the total after it is entered.
- Whether the discount is visible as a 30% reduction before you submit payment.
The most important entry is the pre-payment total. The code cannot be applied after payment, so if the figures do not match, that record is the only evidence you have of what the screen showed at the time.
If the total does not change
The knowledge available does not describe a specific error message for a rejected code, nor does it name a support route for this situation, so this article does not state one. Check that the code is typed as ZR1F5J21, that you are on the checkout step rather than account settings, and that the tier you selected is a Pro tier. If the total still shows the full price, the knowledge does not say what happens next. Decide before paying whether you accept the full price, because the code cannot be added once payment is confirmed.
Recording the receipt
After payment, the knowledge says to check the receipt or invoice for the discounted amount. Compare it with your pre-payment note. Keep a copy of the invoice, since it is the document that shows the amount you were actually charged.
The knowledge also notes that referral discounts on annual subscriptions are typically a first-term benefit, not a permanent reduction. It does not confirm what the renewal price will be. Carrd's checkout invoice is the stated reference for that, so note the renewal terms shown there, and record the date of your next renewal in your own calendar.
Limits to write down with the record
Your note should also capture the scope limits, because they affect whether Pro is the right tier at all. The knowledge says Carrd is not suitable for stores with catalogues, blogs, or documentation and multi-page sites. Custom domain setup requires editing DNS records at the registrar, not inside Carrd. Pro is billed annually rather than monthly.
The knowledge also says tier contents and pricing can change, since Carrd occasionally adjusts what sits in each tier, and that payment processing details vary by country and card. Record the tier name, the date, and the country or card type used, so that any later query is based on what you saw at the time.
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