Your Guide to Pre Authorization

What You Get:

Free Guide

Free, helpful information about Card Guides and related Pre Authorization topics.

Helpful Information

Get clear and easy-to-understand details about Pre Authorization topics and resources.

Personalized Offers

Answer a few optional questions to receive offers or information related to Card Guides. The survey is optional and not required to access your free guide.

What Is Pre-Authorization on a Credit Card and How Does It Work?

When you use a credit card, the transaction doesn't always settle immediately. Pre-authorization is an important step that happens in between—and understanding it can help you manage your account more effectively and avoid confusion about your available credit.

The Basics: What Pre-Authorization Actually Is

Pre-authorization is a temporary hold that a merchant places on your credit card account when you make a purchase. It's not a charge yet—it's a reservation of funds to verify that your card is valid and that you have enough available credit to complete the transaction.

Here's the sequence: You swipe or insert your card. The merchant's payment system contacts your card issuer and asks, "Does this cardholder have enough available credit to cover this purchase?" Your issuer responds yes or no. If yes, that amount is temporarily "held" on your account, reducing your available credit balance. Days later, the merchant sends the final transaction amount to settle, and the pre-authorization hold is released and replaced with an actual charge.

Why Pre-Authorizations Exist

Pre-authorization serves two groups. Merchants use it to reduce fraud risk and ensure payment will go through—especially important for high-value or risky transactions. Card issuers use it to protect cardholders from overdrafts by blocking charges when insufficient credit exists.

Common scenarios where you'll see pre-authorizations:

  • Gas stations – Hold an amount (often $75–$100) until your actual purchase posts
  • Hotels and rental cars – Hold a deposit or estimated total, then adjust when you check out or return the vehicle
  • Restaurants – Hold the bill amount while awaiting a tip, then adjust upward
  • Online merchants – Verify the card before shipping goods
  • Subscription services – Confirm recurring payments are possible

How Pre-Authorization Affects Your Available Credit 🔍

This is where pre-authorization matters most to you. When a merchant places a hold, your available credit decreases immediately, even though you haven't been charged yet.

Example: You have a $5,000 credit limit and a $0 balance. You rent a car and the company places a $500 pre-authorization hold. Your available credit is now $4,500, even though no payment has posted. If you try to make another purchase for more than $4,500, it may be declined—not because you're over your limit, but because the hold is consuming part of your available credit.

Once the pre-authorization is released and the final charge posts (sometimes within hours, sometimes within days), your available credit is updated again based on the actual amount charged.

Variables That Affect Pre-Authorization Timing ⏱️

Pre-authorizations typically release within 24 to 72 hours, but this varies based on several factors:

FactorImpact
Merchant typeHotels and rental companies often hold longer than restaurants or retailers
Transaction typeHigh-risk or high-value purchases may hold longer
Card issuerDifferent banks and card networks have different policies
Final settlement timeWhen the merchant submits the final charge, the hold may release faster
Weekends/holidaysProcessing may slow on non-business days

A gas station pre-auth might release within hours. A hotel pre-auth could take several days, especially if you stayed multiple nights and the final bill differs from the original estimate.

Pre-Authorization vs. Actual Charges: The Key Difference

Pre-authorization is a hold; a charge is real money moving. Until the final charge posts, your issuer can reverse the hold and your credit becomes available again. This is why you might see two entries on your statement for the same transaction—a pending pre-authorization and a final posted charge—before one is absorbed into the other.

Important: A pre-authorization hold doesn't mean you're protected from overspending. If you treat available credit as actual credit while holds are pending, you risk exceeding your limit once those holds clear and final charges post.

What You Can Control

You have limited direct control over pre-authorizations—they're set by merchants and issuers. However, you can:

  • Monitor holds closely when renting vehicles or booking hotels, where amounts often adjust
  • Contact your issuer if a hold seems suspicious or won't clear after an unusual delay
  • Review your available credit before making large purchases if multiple pre-auths are pending
  • Settle transactions promptly when possible, so holds release faster

When Pre-Authorizations Become a Problem

Pre-authorizations are usually harmless, but delays or misalignment between the hold and final charge can create friction. If a hold doesn't release when expected, or if the final charge is significantly higher than the pre-authorization, contact your card issuer to investigate. Disputed charges and hold-related issues are typically resolvable, but they require your attention.

Understanding pre-authorization helps you use credit more intentionally and avoid surprises when your available balance doesn't match what you expected.