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What are the limitations when using cards?

In this article, you’ll learn what limitations apply when using cards and your account, and what to pay attention to in order to avoid blocks and payment issues.

Updated today

Combo Cards are great for paying for various online services, work-related tasks, and scaling projects.

To ensure everything runs smoothly and without limitations, it’s important to follow a few rules when using cards.


What the card can be used for

  • Any marketing services

  • Software, licenses, and service subscriptions

  • Cloud services, hosting, and VPNs

  • Analytics tools

  • Freelancer services

  • Business travel expenses: hotels and flights

What the card can not be used for

  • Any physical goods: clothing, groceries, or marketplace items

  • Purchasing games, in-game items, or gaming subscriptions

  • Dating websites, adult services, or 18+ content

  • Payments to payment systems, currency exchange services, crypto services, iGaming, or gambling platforms

  • Using the card in Russia, CIS countries, as well as China and India

  • Multi-accounting, farming, and first-billing

⚠️ Important: such transactions are usually declined immediately and, in some cases, may lead to account suspension.


Card issuance restrictions

When creating new cards, the system automatically checks your company’s activity.

If you have:

  • more than 20 cards (in any status: Active / Blocked / Frozen / Locked)

  • and an average transaction amount below $5 over the last 14 days

→ new card issuance will be temporarily restricted

How to restore the ability to issue cards?

To regain access to issuing cards:

  1. Use your existing active cards

  2. Increase the volume of real transactions

  3. Raise your average transaction amount

Once your activity normalizes, the restriction will be lifted automatically.


Why a card may be locked

Sometimes a card may switch to Locked status - this is a temporary restriction.

This happens if:

  • your total account balance is $0 or negative → all cards are locked

  • a specific card has a negative balance → only that card is locked

What to do if your card is locked?

  1. Top up your account or card balance

  2. Cover any negative balance

After that, the card will automatically return to active status.


Why it’s important to monitor your decline rate

Decline rate is the percentage of declined transactions on a card over the last 14 days (including pending payments).

How it works:

  • If it exceeds 30% - you’ll receive a warning (the card will still work)

  • If the situation doesn’t improve - the card may be automatically blocked

A card will be blocked if:

  • decline rate exceeds 50%

  • most recent transactions are declined

  • more than 5 days have passed since the warning


How to avoid restrictions and blocks

  1. Avoid a high number of declined payments

  2. Don’t test cards with multiple consecutive attempts

  3. Monitor balances and limits

  4. Use cards only for permitted services.

👉 Here you can also learn more: How to choose the right BIN for payments?


If you’re unsure about a payment, it’s better to contact support in advance. We’ll advise, check everything, and help you avoid unnecessary risks 🙌

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