battles / Payments
Airwallex vs Gr4vy
Airwallex ($250/mo/mo, vibe code 3/10) vs Gr4vy ($2,500/mo/mo, vibe code 3/10). Gr4vy is the easier one to rebuild yourself — here is what you lose either way.
Payments
$250/mo/mo
- MVP
- Impossible
- Full replacement
- 9-18 months, with the reason
Payments
$2,500/mo/mo
- MVP
- 1 month
- Full replacement
- 12-24 months, due to PCI-DSS Level 1 certification, token vault security, and dozens of payment gateway integrations
easier to rebuild
get the build prompt →price gap / year
$27,000/mo
running both / year
$33,000/mo
our call
Start with Gr4vy — highest vibe code, weakest moat.
Airwallex
Airwallex is a regulated financial institution providing direct access to SWIFT, local clearing networks, multi-currency IBAN provisioning, and Visa/Mastercard card issuing. While an AI agent can build a frontend dashboard or an internal double-entry ledger in a weekend, it cannot replace money transmitter licenses, wholesale FX liquidity lines, or central bank clearing integrations.
you can rebuild
- Internal multi-currency balance dashboard
- Basic double-entry ledger for internal record keeping
- Transaction tagging and expense categorization UI
- Custom invoice generation with multi-currency payment instructions
- Internal approval workflows for payout requests
what you lose
- Native multi-currency virtual IBAN generation (USD, EUR, GBP, AUD, JPY)
- Direct SWIFT and local clearing network settlement (ACH, SEPA, FPS)
- Visa and Mastercard virtual card issuance and spending limits
- Wholesale FX spot rate execution and hedging capabilities
- Global regulatory compliance, KYC/AML screening, and Money Transmitter Licenses
real moats
- Global regulatory licensing (EMI / MTL licenses across North America, EU, UK, HK, SG, AU)
- Direct integrations into global banking partners and clearing houses for low-cost transfers
- Wholesale treasury operations and institutional FX liquidity access
open source escape hatches
- Formance Ledger Apache-2.0
- Kill Bill Apache-2.0
- Moov.io Apache-2.0
Gr4vy
Building a basic routing engine is straightforward, but replicating a secure, PCI-DSS Level 1 compliant token vault and dozens of gateway integrations requires continuous compliance audits and security overhead. Replacing Gr4vy with custom code introduces massive regulatory liability and integration maintenance burden.
you can rebuild
- Basic conditional payment routing rules engine
- Merchant admin dashboard for transaction monitoring
- Simple failover retry logic between two primary gateways
- Normalized unified checkout API schema
- Transaction metadata logging and analytics
what you lose
- PCI-DSS Level 1 compliant card data tokenization vault
- Out-of-the-box integrations with 50+ payment gateways and APMs
- Automatic 3D Secure 2 (3DS) / SCA step-up authentication handling
- Infrastructure isolation per merchant account
- Continuous API maintenance and compliance updates from payment providers
real moats
- PCI-DSS Level 1 certification and security liability absorption
- Broad pre-built integration catalog with PSPs, buy-now-pay-later (BNPL) providers, and fraud engines
- Universal token vaulting capable of cross-PSP token migration
open source escape hatches
- Hyperswitch Apache-2.0
- Kill Bill Apache-2.0
- Medusa Payment Plugins MIT
Questions people ask
Which is easier to rebuild with AI, Airwallex or Gr4vy?
Gr4vy. It scores 3/10 on vibe code with a moat of 6/10, so an AI-assisted MVP takes about 1 month and a full replacement about 12-24 months, due to PCI-DSS Level 1 certification, token vault security, and dozens of payment gateway integrations.
Which one costs less, Airwallex or Gr4vy?
Airwallex at $250/mo/mo for a typical mid-market store. The gap between the two is about $27,000/mo a year.
What do I lose if I replace Airwallex?
Native multi-currency virtual IBAN generation (USD, EUR, GBP, AUD, JPY) Direct SWIFT and local clearing network settlement (ACH, SEPA, FPS) Visa and Mastercard virtual card issuance and spending limits
What do I lose if I replace Gr4vy?
PCI-DSS Level 1 compliant card data tokenization vault Out-of-the-box integrations with 50+ payment gateways and APMs Automatic 3D Secure 2 (3DS) / SCA step-up authentication handling
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