Open Banking vs Credit Card Processing: The Future of Payments
Compare open banking payments (account-to-account) against traditional credit card processing. Analyze cost, authorization, security, and the impact of PSD2 and open banking regulations.
Open Banking vs Credit Card Processing
Open banking enables account-to-account (A2A) payments — funds transfer directly from the customer's bank account to the merchant's bank account in real time, without card networks or intermediaries. Credit card processing uses the traditional four-party model (cardholder, issuing bank, merchant, acquiring bank). Open banking is transforming European and UK payments under PSD2 and is expanding globally.
| Feature | Open Banking (A2A) | Credit Card Processing |
|---|---|---|
| Transaction Cost | 0.2–0.8% (often flat fee) | 1.5–3.5% + $0.10–$0.30 |
| Settlement Speed | Real-time (instant payments) | T+1 to T+3 business days |
| Authorization Rate | 95%+ (authenticated bank login) | 85–97% (depends on card type) |
| Chargeback Risk | None (irreversible settlement) | 180-day chargeback window |
| Consumer Authentication | Bank-level (SCA compliant) | 3DS, 2FA, or CVV |
| Geographic Reach | Regional (EU, UK, AU expanding) | Global (200+ countries) |
| Recurring Payments | Variable recurring (requires re-auth) | Tokenized recurring; card network support |
| Best For | High-ticket, B2B, European markets | Consumer retail, global e-commerce |
Open Banking — Pros & Cons
- Significantly lower transaction costs (0.2–0.8%)
- Real-time settlement improves cash flow
- No chargeback risk — settlement is final
- Strong customer authentication (SCA compliant by design)
- Limited geographic availability (EU/UK focused)
- Recurring payments require re-authentication
- Consumer awareness and adoption still growing
Credit Card Processing — Pros & Cons
- Universal consumer adoption and trust
- Global acceptance across 200+ countries
- Mature recurring billing infrastructure
- Rewards programs incentivize usage
- High processing fees (1.5–3.5%)
- Delayed settlement (1–3 business days)
- Chargeback risk creates financial uncertainty
Key Takeaway
Open banking payments represent the most significant evolution in payment infrastructure since the credit card. For merchants in Europe and the UK, open banking offers dramatically lower costs, real-time settlement, and zero chargeback risk. For high-ticket items and B2B transactions, the savings are transformative. However, open banking is not yet a global solution — credit cards remain essential for international consumer e-commerce and markets outside of regulated open banking regions.
The PSD2 Advantage
PSD2 (Revised Payment Services Directive) requires European banks to provide third-party access to payment accounts via APIs. This regulatory mandate created the open banking ecosystem. Payments initiated through open banking are fully SCA-compliant without the friction of 3DS — customers authenticate through their banking app using biometrics or a PIN they already use.
Cost Comparison at Scale
A merchant processing €500,000 monthly in the EU with an average ticket of €200 pays approximately €12,500/month in card processing fees (2.5%). With open banking at 0.5%, the same volume costs €2,500/month — an annual saving of €120,000. For B2B marketplaces and high-ticket merchants, the savings are even more pronounced.
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