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How to Use a Single Merchant Card on Klutch

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Written by Support
Updated over 6 months ago

A Single Merchant Card gives you control by locking the card to a specific merchant after its first use. It's perfect for subscriptions or merchants you trust. Here's how to use it:

1. Install the Single Merchant Card Mini-App

  • If you haven’t already, go to the Mini-Apps tab in the Klutch app or web app.

  • Find the Single Merchant Card mini-app and click Install.

2. Generate a New Card

  • After installation, a Single Merchant Card panel will appear on your homepage.

  • Click the Generate New button.

  • On the card creation page, you’ll be able to:

    • Give your card a name.

    • Set an optional spending limit.

  • Click Create Card to finalize.

3. First Use and Merchant Locking

  • Once created, your new card will appear on your homepage labeled Unassigned.

  • After your first transaction, the card will automatically lock to that merchant.

  • From then on, only transactions with that same merchant will be approved.

4. What Happens if You Use a Different Merchant?

  • If a different merchant tries to charge the card, the transaction will be declined.

  • You’ll receive a text message asking if you’d like to approve the new merchant.

  • Just reply “YES” to the text, and the new merchant will be added to that card.


With a Single Merchant Card, you can confidently shop knowing your virtual card is locked to merchants you trust—making it harder for unauthorized charges to sneak through.

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