
American Express charges for merchants can be a complex and confusing topic, but understanding the basics can help you navigate the process with ease.
The first charge merchants need to be aware of is the Interchange Fee, which is a percentage of the transaction amount, typically ranging from 1.13% to 3.5%.
This fee is usually passed on to the merchant, who then includes it in the price of the goods or services being sold.
For example, if a merchant sells an item for $100 and the Interchange Fee is 2.5%, the merchant would pay $2.50 to American Express.
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OptBlue Wholesale Discount & Network Assessment
American Express OptBlue Participant and Payment Facilitator Wholesale Discount Rates & Network Assessment Fees provide a simplified option to accept American Express Cards through an OptBlue Participant or a Payment Facilitator.
These programs are designed to offer a wholesale discount rate and network assessment fees for merchants who accept American Express Cards through an OptBlue Participant or Payment Facilitator.
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The total pricing, including the wholesale discount rate and network assessment fees, is set by the OptBlue Participant or Payment Facilitator.
You can find more information on wholesale pricing and eligibility criteria by contacting the OptBlue Participant or Payment Facilitator directly.
Here are some of the Payment Facilitators that offer OptBlue Wholesale Discount Rates & Network Assessment Fees:
- Ayden
- Chase Paymentech
- Elavon
- Fiserv
- Global Payments
- Moneris Solutions
- PayPal
- Stripe
- Square
- TD Merchant Services
- WorldPay
Transaction and Payment
As a merchant, it's essential to understand the transaction and payment fees associated with American Express. Merchants are charged a Non-Swipe Transaction Fee of up to 0.30% per transaction for online, phone, and card on file transactions.
This fee can add up quickly, especially for high-volume businesses. For example, if you process $10,000 in online transactions, the Non-Swipe Transaction Fee would be $30.
Merchants who choose to accept American Express directly with American Express receive services and settlements from the company. They pay a single Discount Rate, a percentage of the purchase price, for all American Express credit and charge cards.
Directly
Directly accepting American Express cards with American Express comes with its own set of fees and benefits. Merchants pay a single Discount Rate, a percentage of the purchase price, for all American Express credit and charge cards. This rate can vary based on the type of transaction, such as card-not-present transactions or purchases made by international cardholders.
Merchants that choose to accept American Express directly with American Express receive services and settlements from American Express. This can help simplify the payment process, but it's essential to consider the costs involved. OptBlue, a service offered by American Express, can help keep Amex costs down, but it may still be more expensive than processing Visa or Mastercard transactions.
The Discount Rate for American Express transactions is a percentage of the purchase price, but the exact rate will depend on the merchant's agreement with American Express. It's crucial to review the terms and conditions of the agreement to understand the fees involved.
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Voice Authorization
Voice authorization can be a costly process for merchants, with American Express charging $0.65 per authorization.
This fee is charged each time a merchant needs to call American Express to authorize a transaction, which can occur if your POS system is down or not compatible.
Merchants can request authorization via telephone, but be prepared for the $0.65 fee for each occurrence.
It's essential to ensure your POS system is functioning correctly and compatible with American Express to avoid these unnecessary fees.
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Pricing and Fees
American Express charges merchants in various ways, and understanding these pricing models is crucial for business owners. Amex currently has two pricing models: ESA and OptBlue, with OptBlue being the newest and most similar to Visa and Mastercard's models.
There are two main pricing models: ESA and OptBlue. OptBlue is designed for merchants who want to work directly with Amex, while ESA is a direct processing program.
To get the best Amex pricing, you can use a price comparison tool, such as CardFellow's handy tool, which shows the real costs of accepting Amex at your business. This tool is free and requires no obligation to become a member.
American Express OptBlue Participant and Payment Facilitator programs provide a simplified option to accept American Express Cards through an OptBlue Participant or a Payment Facilitator. These programs have Wholesale Discount Rates and Network Assessment Fees.
Here are some OptBlue Participants and Payment Facilitators that offer Wholesale Pricing: AydenChase PaymentechElavonFiservGlobal PaymentsMoneris SolutionsPayPalStripeSquareTD Merchant ServicesWorldPay
If you're accepting or want to accept American Express through an OptBlue Participant or Payment Facilitator, contact them for more information on merchant pricing and eligibility criteria.
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Merchant Account and Setup
To open an American Express merchant account, you don't necessarily need to contact American Express directly, unless you process over $1 million per year in Amex transactions alone.
Your credit card processor can open an American Express account on your behalf using the OptBlue model. This model allows for integration of your American Express merchant account into your existing credit card machine, gateway, or other processing solution.
All card brands can be processed through the same system, making it convenient for merchants who accept multiple payment types.
Compliance and Issues
If you're a merchant working with American Express, you need to be aware of the potential fees associated with non-compliance. Amex Authorization Integrity Fee is one such fee that's assessed if more than 10% of approved charges aren't properly processed for three consecutive months.
This fee is calculated at 0.10% of the approved authorization volume, plus $0.05 per approved charge. However, air charters or fraction aircraft businesses face a higher rate of 1% of the approved authorization volume.
To avoid this fee, merchants must ensure timely and accurate authorizations. A single data incident or non-validation can lead to costly penalties, making it crucial to stay on top of compliance requirements.
American Express Data Pass Violation Fee is another significant penalty, assessed at up to $100,000 per incident. This fee is imposed if a merchant facilitates a charge using transaction data that wasn't directly provided by an Amex card member.
A table outlining the non-validation fees for merchants who fail to demonstrate PCI compliance is as follows:
These fees can be imposed cumulatively, and American Express has the right to terminate the merchant agreement if validation documents aren't received within 90 days of the first deadline.
Check

Check fees can be a surprise for merchants, especially if they're not aware of the Amex Check Fee, which is charged whenever Amex needs to issue or create a check.
Merchants should be aware that check fees can add up, and it's essential to understand the underlying reasons for these fees to avoid any unexpected charges.
Authorization Integrity
Authorization Integrity is a crucial aspect of maintaining a smooth transaction process with American Express. This fee is applied to merchants who don't properly process approved charges.
If more than 10% of approved charges aren't properly processed for three consecutive months, Amex will begin applying the Authorization Integrity Fee. This fee is 0.10% of the approved authorization volume, plus $0.05 per approved charge.
For air charters or fraction aircraft businesses, the rate is even higher, at 1% of the approved authorization volume. This is a significant difference, and merchants in these industries need to be aware of this higher rate.
American Express will issue a warning before sending a final notice and fee for any violations. The fee is based on the merchant's gross Amex transaction volume in a rolling 12-month period, and it can be up to $100,000 per incident.
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Non Compliance
Non-compliance fees can be a significant headache for merchants. Amex Technical Specifications Non-Compliance Fee is a 0.75% fee on all transactions that don't meet Amex's technical requirements, regardless of whether you're on the OptBlue program or have a direct agreement.
This fee applies to all transactions, so it's essential to ensure your technical specifications are up to date. American Express Data Pass Violation Fee can reach up to $100,000 per incident for merchants who facilitate charges using non-compliant transaction data.
To avoid this fee, merchants must directly obtain transaction data from Amex card members. Amex Data Incident Non-Compliant Fee is a penalty for merchants responsible for compromising data and not taking proper steps to store and transmit cardholder data.
Merchants must notify Amex within 72 hours of discovering a data incident to avoid this fee. Amex Targeted Analysis Program (TAP) Fees are imposed when Amex suspects a breach or data leak linked to a particular business.
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These fees can be cumulative, and Amex may withhold payments or terminate the merchant agreement if the situation isn't resolved. Merchants can expect to receive a notice from Amex about potential cardholder data compromise, which must be assessed and remediated within a reasonable timeline.
Here's a summary of the non-compliance fees:
Merchants must be proactive in maintaining compliance to avoid these fees. Regularly reviewing and updating technical specifications, ensuring direct access to transaction data, and promptly notifying Amex of data incidents are essential steps in preventing non-compliance fees.
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Excessive Chargeback
American Express considers chargebacks to be excessive if a merchant has three consecutive months with a chargeback ratio exceeding 1% of gross Amex charges.
A merchant will be hit with a $25 fee per chargeback over the 1% ratio in each month after the excessive chargeback threshold has been met.
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How Closed Loop Network Differs
American Express operates on a closed loop network, which means they issue credit cards directly to cardholders and open merchant accounts directly for businesses that accept their cards.
Unlike other card brands like Visa and Mastercard, American Express doesn't have relationships with banks to issue credit cards. Instead, they handle everything in-house.
This closed loop network gives American Express more control over their pricing, allowing them to set their discount rates at a level that the market will bear.
Visa and Mastercard, on the other hand, have relationships with banks and credit card processors, which can lead to higher costs for businesses that accept their cards.
In the past, American Express set a high rate for processing their credit cards, which cost significantly more than Mastercard or Visa credit cards.
However, they've since introduced a new pricing model called OptBlue, which allows processors to handle merchant accounts and add a markup, potentially lowering acceptance costs for businesses.
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ESA
Direct accounts with American Express are mandatory for businesses processing $1 million or more per year in Amex transactions.
Businesses processing less than $1 million a year might still be able to go direct, but it's often not necessary.
The OptBlue program is a convenient option for consolidated reporting and determining Amex pricing with your processor.
There usually isn't a reason for businesses processing under $1 million to go direct with American Express.
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Industry and Market
American Express charges can be a significant consideration for merchants, and understanding the industry and market trends can help inform their decision. Restaurants and travel businesses are the most likely to see American Express cards, accounting for 35% of total charge volume in both industries.
In contrast, supermarkets are the least likely to experience negative repercussions by not accepting American Express, with a mere 3% of total charge volume.
Businesses in the entertainment industry also see a high volume of American Express transactions, with 25% of total charge volume. This is likely due to the nature of the industry, where consumers may be more likely to use premium credit cards for discretionary spending.
Merchants in retail and e-commerce may also see a significant volume of American Express transactions, with 15% of total charge volume in both industries.
Here's a breakdown of the industries where American Express is most and least likely to be used:
Credits and Settlement

American Express transactions take longer to settle than Visa and Mastercard transactions, typically taking three to seven business days to show up in your business checking account.
American Express transactions through OptBlue, however, settle roughly one to four days faster than traditional American Express merchant accounts.
This is because OptBlue allows processors to settle American Express volume along with Visa, Mastercard, and Discover volume in a single deposit, just like Visa and Mastercard transactions.
In addition to delayed settlements, American Express also charges higher fees for refunds, unless you agree to pay a higher rate for transactions.
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Credits
Credits can be a double-edged sword for businesses. American Express does not refund fees for refunds unless you agree to pay a higher rate for transactions.
Interchange credits are a little-known fee associated with issuing customer refunds. Visa, Mastercard, and Discover will reimburse businesses a portion of fees when a customer is given a refund.

American Express has a specific policy regarding credits. According to its Merchant Reference Guide, a credit may occur when a merchant processes a refund for purchases or payments made on the card.
To receive a refund on fees for returns, businesses have to pay more up front. You have to elect to increase your discount rate by 40 basis points, or 0.40%, to get a refund on the discount previously applied.
This can add up quickly for businesses that regularly issue refunds to customers. American Express is essentially a winner either way.
Settlement
Settlement is a crucial part of the credit card processing cycle. It's the process of transferring funds from the cardholder's bank to your business checking account.
Barring a processor-imposed risk hold, Visa and Mastercard transactions are generally settled within 24-48 hours. This means deposits will show in your business checking account 24-48 hours after approved authorizations are sent to the processor for settlement.
American Express transactions, on the other hand, typically take almost twice as long to settle as Visa and Mastercard transactions. Deposits will generally take three to seven business days to show up in your business checking account.
OptBlue, however, streamlines the settlement process for American Express transactions. By settling American Express volume along with Visa, Mastercard, and Discover volume, deposits can show up in your business checking account roughly one to four days faster.
With OptBlue, you'll also receive a single monthly statement for all card charges, rather than separate statements for American Express and other credit card transactions. This can simplify your accounting and make it easier to track your business's finances.
Monthly Gross Pay
Monthly Gross Pay is a convenient option for merchants enrolled in the Amex program, allowing fees to be accumulated throughout the month and deducted once at the end of each billing cycle.
This approach is different from the standard method, where fees are deducted upfront for each transaction. Merchants can benefit from this by having more predictable cash flow.
The Monthly Gross Pay Fee applies to merchants with a monthly gross pay between $2,500 and $5,000.
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Frequently Asked Questions
What is a good rate for merchant services?
A good rate for merchant services is typically between 1.5% to 2.6% of each transaction, depending on whether you're processing in-person or online, and whether you're using interchange+ pricing. Achieving a lower rate may require negotiation, but it's worth exploring to save on processing fees.
How much do merchants pay to accept credit cards?
Merchants typically pay a credit card processing fee ranging from 1.5% to 3.5% of their sales revenue. This fee can be negotiated, but it's not fixed and can vary depending on the merchant's agreement.
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