battles / Payments
Adyen vs Checkout.com
Adyen ($1,180/mo/mo, vibe code 3/10) vs Checkout.com ($500/mo/mo, vibe code 3/10). Checkout.com is the easier one to rebuild yourself — here is what you lose either way.
Payments
$1,180/mo/mo
- MVP
- 2-3 weeks (for a simple API wrapper around existing acquirers)
- Full replacement
- 10+ years (requires banking licenses and scheme acquirer memberships)
Payments
$500/mo/mo
- MVP
- 1 week (orchestration layer only)
- Full replacement
- Impossible to build a replacement acquiring backend
easier to rebuild
get the build prompt →price gap / year
$8,160/mo
running both / year
$20,160/mo
our call
Start with Checkout.com — highest vibe code, weakest moat.
Adyen
Adyen is an enterprise financial infrastructure provider holding full banking licenses and direct scheme acquirer status globally. You cannot replicate card network connectivity, regulatory compliance, local acquiring rails, and physical POS hardware integration with AI code.
you can rebuild
- Unified API schema for initializing web checkouts.
- Basic card tokenization and iframe UI components.
- Rules engine for payment routing based on country or currency.
- Webhook payload parsing and status aggregation dashboards.
- Basic payment method selection UI (iDEAL, Klarna, Apple Pay wrappers).
what you lose
- Direct Interchange++ pricing models that pass true card cost savings through to large merchants.
- Local acquiring licenses in 30+ markets that boost card authorization rates by 2-5%.
- Omnichannel transaction unification across e-commerce backends and physical terminal fleets.
- Zero-dependency financial rails (Adyen does not rely on third-party processor banks).
- Enterprise risk engines (3D Secure 2 authentication and dynamic exemption management).
real moats
- Full banking licenses in Europe, the US, Singapore, Australia, and Brazil.
- Direct acquiring connections to card networks, bypassing legacy intermediary processor markups.
- Local entity acquiring in 30+ countries, allowing high card approval rates without cross-border declines.
- In-house built unified code base spanning online checkout, in-person POS hardware, and unified reporting.
open source escape hatches
- Hyperswitch Apache-2.0
- Killbill Apache-2.0
- BTCPay Server MIT
Checkout.com
Checkout.com is a licensed electronic money institution and direct card acquirer. While you can use AI to build a custom checkout UI or smart payment router over existing gateways, replacing Checkout.com's underlying infrastructure requires direct card scheme access, HSM vaults, and global regulatory compliance.
you can rebuild
- Custom checkout UI components and form fields
- Transaction status dashboards and reporting views
- Basic webhook processing and event logging
- Rule-based payment gateway routing logic
- Simple rule-based fraud screening pre-checks
what you lose
- Direct Visa/Mastercard scheme acquiring and settlement
- PCI DSS Level 1 certified tokenization and HSM vaulting
- Access to 150+ regional payment methods (e.g. iDEAL, Pix, Sofort)
- Native 3D Secure 2 (3DS2) protocol and exemption engine
- Multi-jurisdiction electronic money and payment institution licenses
real moats
- Payment institution licenses and regulatory compliance across global jurisdictions
- Direct card scheme memberships and bank clearing house connections
- PCI DSS Level 1 security infrastructure and HSM key management
open source escape hatches
- Hyperswitch Apache-2.0
- Kill Bill Apache-2.0
- Active Merchant MIT
Questions people ask
Which is easier to rebuild with AI, Adyen or Checkout.com?
Checkout.com. It scores 3/10 on vibe code with a moat of 8/10, so an AI-assisted MVP takes about 1 week (orchestration layer only) and a full replacement about Impossible to build a replacement acquiring backend.
Which one costs less, Adyen or Checkout.com?
Checkout.com at $500/mo/mo for a typical mid-market store. The gap between the two is about $8,160/mo a year.
What do I lose if I replace Adyen?
Direct Interchange++ pricing models that pass true card cost savings through to large merchants. Local acquiring licenses in 30+ markets that boost card authorization rates by 2-5%. Omnichannel transaction unification across e-commerce backends and physical terminal fleets.
What do I lose if I replace Checkout.com?
Direct Visa/Mastercard scheme acquiring and settlement PCI DSS Level 1 certified tokenization and HSM vaulting Access to 150+ regional payment methods (e.g. iDEAL, Pix, Sofort)
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