How high-risk credit card processing actually works
What happens between a card tap and your bank account, why high-risk pricing is structured differently, and which pricing model actually costs you less.
- Typical discount rate
- 3.5% to 9% depending on category, with per-transaction fees of 20 to 50 cents
- Pricing models
- Interchange-plus, tiered, or blended - and they are not comparable at a glance
- Authorisation rate
- The number that matters more than the rate, and the one least often quoted
- What we do not do
- We do not process, price or settle anything - we introduce
Who this is for
- Merchants comparing quotes who cannot tell whether interchange-plus or a blended rate is genuinely cheaper for their card mix.
- Businesses seeing unexplained authorisation declines who suspect the problem is upstream of their gateway.
- Operators who want to understand what they are actually paying for before negotiating, rather than arguing about a headline percentage.
- Merchants moving from an aggregator to a direct relationship for the first time, where pricing is quoted in a structure they have never seen.
What you will be asked for
- Six months of processing statements, which is what makes a quote comparable rather than hypothetical
- Your current pricing schedule in full, including per-transaction, monthly and chargeback fees
- Company registration documents and proof of business address
- Government-issued photo ID for each beneficial owner holding 25 percent or more
- Six months of business bank statements
What actually happens to a transaction
Five steps, and knowing which one is failing saves a great deal of wasted time.
- Authorisation. Your gateway sends the transaction to the acquirer, which routes it to the issuer. The issuer approves or declines. This is your customer’s bank making a decision about the transaction, and it is where most avoidable revenue is lost.
- Capture. The approved amount is confirmed for settlement, usually at fulfilment.
- Clearing. The acquirer submits to the scheme, which calculates interchange.
- Settlement. Funds move to your acquirer, less interchange and scheme fees.
- Payout. Your acquirer pays you, less its own fees and anything held as reserve.
Merchants blame the processor for problems at step one, which is the issuer, and at step five, which is underwriting. Both are fixed by different people than the one they call.
Why high-risk pricing is structured differently
Nothing about the rails changes for a high-risk merchant. The pricing changes, for four reasons covered in detail in high-risk merchant account fees: scheme registration in certain categories, genuinely higher expected dispute losses, manual underwriting, and a small acquirer pool.
Only the last is margin. The first three are arithmetic, which is why negotiation gets much further on some lines than others.
The three pricing models, and the one to watch
Interchange-plus shows interchange as a pass-through with the acquirer’s margin stated separately. Most transparent, usually cheapest, and the only model where you can see what your acquirer actually earns.
Blended charges one rate for everything. Simple, predictable, and reasonable where your card mix is unpredictable. You cannot see the margin, but you can forecast the cost.
Tiered sorts transactions into qualified, mid-qualified and non-qualified buckets. The rate you were quoted is the qualified one. The criteria that determine which bucket a transaction lands in are set by the provider and are not usually within your control, and for card-not-present high-risk volume a substantial share commonly lands outside qualified.
We are not going to tell you tiered is always wrong, because at low volume the simplicity sometimes justifies it. We will say that a tiered quote and an interchange-plus quote cannot be compared by looking at the two headline numbers, and that comparing them that way is how merchants choose the more expensive one.
The number nobody negotiates
Your authorisation rate — the share of attempted transactions the issuer approves — moves revenue more than your discount rate does, and it is almost never discussed in a quote.
A two-point improvement in authorisations on a business doing 100,000 dollars a month is 2,000 dollars of recovered revenue. Two points off your discount rate on the same volume is a fraction of that.
Ask prospective providers for authorisation rates on your card mix and your geography, not for a processing rate. Providers who route intelligently, retry sensibly and keep card credentials updated will have better ones, and they rarely lead with it because merchants rarely ask.
Where we fit, and where we do not
We are an introducer. We do not process transactions, set rates, hold funds or make underwriting decisions.
What we do is work out which providers have genuine appetite for your category, introduce you to one of them, and help you read the quote you get back — including telling you when a quote is normal and when it is not.
Last reviewed
14 September 2026. Regulation in this area moves. Check the primary sources below before acting on anything here, and treat this page as orientation rather than legal advice.
- Visa - core rules and product and service rules Interchange as a scheme-set cost, authorisation handling and the registration obligations attaching to certain categories.
Questions merchants ask
What is the difference between a merchant account and credit card processing?
The merchant account is the underwritten relationship that lets you accept cards and receive settlement. Processing is the movement of the transaction through it. You need both, they are often sold together, and the distinction matters when something breaks, because a processing fault and an underwriting decision are fixed by completely different people.
Which pricing model is cheapest?
Interchange-plus is usually cheapest and always the most transparent, because you see the acquirer's actual margin separately from the scheme's fixed cost. Tiered pricing is the one to be careful with - it sorts transactions into qualified and non-qualified buckets on criteria you do not control, and the qualified rate you were quoted may apply to a minority of your volume. Blended is simple and predictable and can be fine. The honest test is whether you can reconcile the statement against your own records.
Why do my transactions get declined by the issuer?
Issuer declines are decisions by your customer's bank, not your processor, and they are driven by the risk profile of the transaction - category code, cross-border status, card type, whether the customer has transacted with you before. High-risk categories see more of them. If declines are concentrated in one card type or one region, that is a pattern worth investigating rather than a cost of doing business.
What is a good authorisation rate?
It depends heavily on your category and card mix, so any single benchmark figure is marketing. What matters is your own trend and how it compares between providers on the same traffic. A two-point improvement in authorisations is usually worth more than a half-point improvement in rate, and almost nobody negotiates on it.
Does 3-D Secure help or hurt?
Both, which is why it deserves a decision rather than a default. It shifts fraud liability to the issuer and reduces fraud-related disputes, which matters under a monitoring programme counting fraud reports. It also adds checkout friction that costs conversion. For a high-dispute category the trade is usually worth it; for a low-dispute one it often is not.
Can I negotiate my processing rate?
Yes, with evidence rather than argument. Twelve months of clean statements, a falling dispute ratio and predictable volume are what move pricing. Interchange and scheme registration are not negotiable by anyone, because neither is your acquirer's money to discount.
Related
Find out what is realistic for your business
Five questions, no documents, and an honest answer about whether we can place you — including when the answer is no.