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What This Calculator Does
It takes up to 3 processor fee structures — percentage rate, per-transaction fee, and monthly platform fee — and compares them against your actual volume and transaction count to show exact monthly and annual costs side by side.
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How to Use It
Enter your monthly volume and transaction count at the top. Then fill in each gateway's rate card — you can rename each one. The default values use common gateway pricing and a competitive QuadraPay (Partner powered rate (For low risk merchants )as starting examples. Hit Compare to see results.
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What to Expect
On $50K/month volume, even a 0.5% rate difference equals $3,000/year. On $200K/month it's $12,000/year. Many merchants overpay by 0.5–1.5% simply because they never compared. This tool shows you exactly where you stand.
How to Compare Payment Gateway Costs — A Merchant's Guide
Most merchants choose a payment gateway based on brand familiarity or because it's easy to set up. But cost comparison reveals that seemingly small differences in rate structures can translate into tens of thousands of dollars in unnecessary fees every year.
This guide walks you through the key components of gateway pricing and how to compare them accurately for your specific business model.
The Three Cost Components to Always Compare
Total Monthly Cost = (Volume × Rate%) + (Transactions × Per-Tx Fee) + Monthly Platform Fee
Effective Rate = (Total Monthly Cost ÷ Volume) × 100
- Percentage rate (MDR) — The most visible fee. Scales directly with your volume. A 0.5% difference on $100K/month = $500/month or $6,000/year.
- Per-transaction fee — Often overlooked but critical for high-volume, low-ticket businesses. $0.10 difference × 2,000 transactions = $200/month hidden cost.
- Monthly platform fee — Fixed fees regardless of volume. Some processors charge $25–$200/month just for account access. Factor this into your effective rate.
Common Gateway Pricing — US Market Reference
| Processor | Standard Rate | Per-Tx Fee | Monthly Fee | Best For |
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| StrXiX | 2.9% | $0.30 | $0 | Developers, SaaS |
| PayXaX | 3.49% | $0.49 | $0 | Consumer marketplace |
| SquXrX | 2.6% | $0.10 | $0 | In-person retail |
| BtrXe | 2.59% | $0.49 | $0 | Marketplaces |
| Authorize.net | 2.9% | $0.30 | $25 | Traditional eCommerce |
| QuadraPay (via acquirer partners) | From 2.0% | From $0.20 | Varies | High-volume, high-risk |
When Quoted Rates Are Misleading
The rate on your agreement is rarely the only cost. Watch out for:
- Non-qualified surcharges — An extra 0.5–1.5% added when customers use rewards, corporate, or international cards.
- Chargeback fees — $15–$100 per dispute, not included in your standard rate.
- PCI compliance fees — Some processors charge $100–$300/year for PCI DSS certification support.
- Early termination fees — Can be $300–$500 if you switch before contract end.
- Statement fees — Monthly charges just for receiving your processing statement.
How Volume Affects Your Negotiating Power
- Under $10K/month — Take flat-rate pricing. No leverage to negotiate.
- $10K–$50K/month — Start asking for interchange-plus pricing. Some processors will negotiate.
- $50K–$200K/month — Significant leverage. Negotiate rate, per-tx fee, and monthly fees.
- $200K+/month — Work directly with an acquirer or use a consultant like QuadraPay to access wholesale rates and custom terms.
💡 QuadraPay Tip: The rates in this calculator are illustrative starting points. QuadraPay works with 45+ acquiring banks and can often secure rates 0.5–1.5% below what standard processors publicly quote — especially for merchants processing $30K+/month.
Get a real rate comparison →
Frequently Asked Questions
Should I always choose the lowest rate gateway?
Not always — cost is one factor but not the only one. Also consider integration quality, settlement speed, chargeback support, technical reliability, and industry acceptance. A gateway that's $200/month cheaper but settles in 7 days instead of 2 days could cost you more in cash flow terms. Use this tool to understand the cost difference, then weigh it against other factors.
Why does my effective rate differ from my quoted rate?
Because the effective rate includes all costs — percentage fees, per-transaction fees, and monthly platform fees — expressed as a single percentage of your total volume. Your quoted rate is only the percentage component. For high-transaction-count businesses with low average order values, per-transaction fees can push the effective rate significantly above the quoted rate.
Can I use multiple payment gateways simultaneously?
Yes, and many high-volume merchants do — this is called "payment routing" or "gateway redundancy." You might route standard transactions through one processor and high-risk or international transactions through another. This protects you from single-processor dependency and allows you to optimize costs by routing transaction types to the cheapest or most appropriate processor.
How often should I renegotiate my gateway rates?
At minimum annually, and any time your volume increases by 30% or more. Processors rarely proactively lower your rates — you must initiate the conversation. Bring a competitor quote or use this comparison tool to show exactly what alternatives cost. Having data makes negotiation significantly more effective.
What is the difference between a payment gateway and a merchant account?
A payment gateway is the technology that authorizes and processes card transactions. A merchant account is the bank account that holds your processed funds before they're transferred to your business bank. Some providers bundle both together in an aggregated model. Others (like most high-risk processors) provide them separately. Separate merchant accounts typically offer more control, better rates, and faster access to funds for established businesses.
Does this calculator include Interchange Plus pricing?
This calculator uses simplified flat-rate inputs for easy comparison. For Interchange Plus pricing, enter the combined rate (e.g., interchange average of 1.8% + your processor markup of 0.3% = 2.1% total) as your percentage rate. QuadraPay can provide detailed Interchange Plus analysis for merchants processing $30K+/month — contact us for a custom assessment.
