Adyen vs Sardine — In-Depth Comparison

TL;DR

Adyen wins with 4/5 stars — best for Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single. ⬇ Scroll for full 20-point audit

Best For

Adyen vs Sardine

Large enterprises and global brands (eBay, Spotify, McDonald... vs Fintechs, crypto exchanges, and financial institutions wanti...

Fee Structure

Adyen vs Sardine

Interchange++ pricing: processing fee from $0.13 + interchan... vs B2B enterprise pricing; varies based on transaction volume, ...

Rating

Adyen vs Sardine

4/5 ★ vs 3/5 ★

Adyen

Enterprise Unified Commerce Payment Platform

Best For Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries

Core Fee Interchange++ pricing: processing fee from $0.13 + interchange rate; no setup or monthly fees; minimum monthly invoice applies for enterprise clients

Settlement Real-time transaction processing; next-day settlements available in major markets; unified reporting across all payment channels

Visit Adyen ↗

Sardine

Fraud Prevention & Compliance Platform — Enterprise Service

Best For Fintechs, crypto exchanges, and financial institutions wanting real-time fraud detection, AML compliance, and risk management

Core Fee B2B enterprise pricing; varies based on transaction volume, integration scope, and services required

Settlement Real-time fraud scoring; behavioral analytics; instant risk assessment for transactions; supports multiple payment methods

Visit Sardine ↗

What This Audit Doesn't Cover: Real-time currency fluctuations, promotional offers, region-specific pricing, or temporary fee waivers. Always verify current rates, fees, and features directly with Adyen and Sardine before making any financial decision.

Full 20-Point Audit Matrix

Verified current data across all key decision criteria

20 Criteria Compared

Audit Criterion	Adyen	Sardine
WealthBlueprint RatingOverall score vs. all reviewed platforms (out of 5 stars)	★ ★ ★ ★ ★ 4/5 Adyen: rated on fees, features, safety & ease of use	★ ★ ★ ★ ★ 3/5 Sardine: rated on fees, features, safety & ease of use
Cost Structure & Fees
Transaction FeesPer-transfer costs, domestic & international	Interchange++ pricing: processing fee from $0.13 + interchange rate; no setup or monthly fees; minimum monthly invoice applies for enterprise clients	B2B enterprise pricing; varies based on transaction volume, integration scope, and services required
FX / Conversion SpreadMarkup above mid-market exchange rate	Adyen charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending. Always check the live rate in the app	Sardine charges a conversion fee based on the currency pair and transfer amount. Always verify the all-in rate before sending. Always check the live rate in the app
Account MaintenanceMonthly or annual account-keeping charges	Adyen applies account maintenance charges as described in its fee schedule. Pricing may vary by region. Fees subject to change — verify before signing up	Custom/tiered pricing — Sardine's fee structure depends on your account tier or usage volume. Fees subject to change — verify before signing up
Card Issuance FeesVirtual and physical card creation costs	Adyen does not primarily offer physical cards — access is digital-first. Check Adyen app for current card fees	Sardine does not primarily offer physical cards — access is digital-first. Check Sardine app for current card fees
Settlement Speed & Reliability
Domestic SettlementLocal bank transfer completion time	Adyen Real-time transaction processing; next-day settlements avail VS Sardine Real-time fraud scoring; behavioral analytics; instant risk ✓ Sardine is faster (instant vs Real-time transaction processi)
Cross-Border SpeedInternational corridor settlement time	Adyen supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds. Check the app for live estimates	Sardine supports cross-border transfers via its payment rails. Actual delivery depends on the receiving bank and any compliance holds. Check the app for live estimates
Uptime / ReliabilityReported annual platform availability rate	Adyen is a regulated platform — it maintains high availability standards as part of its regulatory obligations. Check Adyen status page for incident history	Sardine publishes service status updates on its official status page for transparency. Check Sardine status page for incident history
Security & Regulatory Standing
Regulatory LicensesGoverning bodies and jurisdictions	Licensed by De Nederlandsche Bank (DNB); PCI DSS Level 1; publicly listed on Euronext Amsterdam (ADYEN); operates own acquiring network in 40+ countries ✓ Licensed	Enterprise-grade security; SOC 2 compliant; advanced fraud detection algorithms; supports compliance with regulatory requirements ✓ Licensed
Deposit InsuranceGovernment-backed protection scheme	Adyen holds funds with regulated partner banks. Deposit insurance coverage may apply. Verify current coverage directly with Adyen	Sardine holds funds with regulated partner banks. Deposit insurance coverage may apply. Verify current coverage directly with Sardine
2FA & AuthenticationMulti-factor security implementation	Adyen supports 2FA via authenticator app or SMS. Check security settings for available methods. Enable 2FA immediately after opening your account	Sardine supports 2FA via authenticator app or SMS. Check security settings for available methods. Enable 2FA immediately after opening your account
Fraud DetectionAI/ML-powered transaction monitoring	Adyen employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds. ✓ Real-time monitoring	Sardine employs automated transaction monitoring. Suspicious activity triggers alerts and temporary holds. ✓ Real-time monitoring
Features, Limits & Access
Ideal Use CasePrimary audience and core value proposition	Adyen Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries Sardine Fintechs, crypto exchanges, and financial institutions wanting real-time fraud detection, AML compliance, and risk management
Platform ClassificationRegulatory and product category	Enterprise Unified Commerce Payment Platform	Fraud Prevention & Compliance Platform — Enterprise Service
Withdrawal LimitsDaily / weekly transfer and cash-out caps	Adyen withdrawal limits vary by account type and KYC level. Log in to see your current limits	Sardine withdrawal limits vary by account type and KYC level. Log in to see your current limits
Supported CurrenciesFiat and digital asset coverage	Adyen supports the currencies and assets listed in its official documentation. Check Adyen official site for full currency list	Sardine supports the currencies and assets listed in its official documentation. Check Sardine official site for full currency list
User Experience & Support
App Store RatingAggregate iOS + Android user satisfaction	Adyen app ratings reflect recent user sentiment — check the App Store/Google Play for current scores. Verify live ratings on the App Store	Sardine app ratings reflect recent user sentiment — check the App Store/Google Play for current scores. Verify live ratings on the App Store
Customer SupportAvailable resolution pathways and SLA	Adyen routes support through its official help channels. Priority queue access varies by plan. Check Adyen help centre for current support options	Sardine routes support through its official help channels. Priority queue access varies by plan. Check Sardine help centre for current support options
KYC Verification SpeedAccount activation timeline post-submission	Adyen KYC timelines depend on document quality and account type. Verify current wait times in the Adyen app	Sardine KYC timelines depend on document quality and account type. Verify current wait times in the Sardine app
Overall VerdictWealthBlueprint independent recommendation	Adyen WINS with 4/5 stars vs 3/5. Why: Adyen excels at Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries. ✓ Choose Adyen if Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries ➜ Sardine is still solid for Fintechs, crypto exchanges, and financial institutions wanting real-time fraud detection, AML compliance, and risk management
Official WebsiteVisit platform to sign up or verify current fees	Visit Adyen ↗	Visit Sardine ↗

Choose Adyen If:

You need Large enterprises and global brands (eBay, Spotify, McDonald
You prefer Interchange++ pricing: processing fee fr
You value Real-time transaction processing; next-d
You want a regulated platform (Licensed by De Nederlandsche Bank (DNB);)

Choose Sardine If:

You need Fintechs, crypto exchanges, and financial institutions wanti
You prefer B2B enterprise pricing; varies based on
You value Real-time fraud scoring; behavioral anal

WealthBlueprint Verdict Summary

Adyen — Best For

Large enterprises and global brands (eBay, Spotify, McDonald's) needing a single unified platform for online, in-app, and in-store payments across 100+ countries

✓ Strong in its core category

Sardine — Best For

Fintechs, crypto exchanges, and financial institutions wanting real-time fraud detection, AML compliance, and risk management

✓ Strong in its core category

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