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SENTINEL

Stop payment fraud. Protect revenue. Scale with confidence.

Protect every stage of your payment lifecycle with Airwallex Sentinel. Stop attacks early, keep genuine payments moving, and recover more revenue from disputes.

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END-TO-END FRAUD PROTECTION

Up to 5x lower fraud rates, from checkout to chargeback

Most fraud tools stop at authorisation. Sentinel connects risk signals across the payment journey to help you stop more fraud, improve payment success, and recover more revenue.

01
BEFORE AUTHORISATIONDetect and decide

Behavioural intelligence

AI-powered risk scoring across device, identity, behavioural, and network signals in real time.

Multi-agent optimisation

Parallel AI analysis across card testing and storefront signals.

Risk analytics & insights

Decline analytics, fraud rate monitoring, and scheme compliance tracking.

Protect against
  • Card testing
  • Transaction fraud
  • Account takeover
  • Bot abuse
02
AFTER AUTHORISATIONReview and refine

Dynamic decision window

Delay capture to make more accurate fraud decisions with better data.

AI-assisted review

Beta

Deeper risk assessment with recommendations and supporting context.

Higher approval, lower fraud

Connect signals before and after authorisation.

Protect against
  • Delayed capture fraud
  • Friendly fraud
  • Refund abuse
03
DISPUTES AND RECOVERYResolve and recover

AI dispute automation

Case-specific evidence building, win probability estimation, and challenge decisions.

Dynamic rapid dispute resolution

Resolve eligible disputes before they become chargebacks.

Visa Compelling Evidence 3.0

Automatically challenge disputes with scheme-compliant evidence without penalty exposure.

Protect against
  • Chargebacks
  • Scheme penalties
  • Revenue loss

Prevent

Block fraud without blocking good customers

  • Real-time risk scoring

    Sentinel combines device, behavioural, network, and issuer signals with global acquiring data to detect fraud with precision.

  • AI-assisted rules

    Set custom rules by shopper behaviour, region, or risk appetite. Test them against historical traffic to understand their potential impact before launch.

  • Smart 3DS

    Trigger 3D Secure based on transaction risk, exemptions, and regional requirements, adding protection only when needed.

Respond

Detect and contain unexpected attacks

  • Fraud attack prevention agent

    Detect unusual activity and automatically contain card testing, BIN attacks, and enumeration with 96% precision. Monitor how each threat was handled.

  • Targeted rules

    Use backtested rules to address up to 90% of an attack surface. Turn them on in one click, and let them expire automatically when the threat passes.

  • Event-aware protection

    Keep genuine payments flowing during launches, flash sales, and traffic spikes. AI adjusts protection to help separate real demand from attacks.

Recover

Recover more revenue from disputes

  • AI dispute automation

    Achieve up to 30% higher win rates with tailored evidence packs. See your win probability before submission.

  • Visa CE 3.0 auto-challenge

    Automatically challenge disputes with scheme-compliant evidence. Exclude won cases from monitoring to reduce penalty exposure.

  • Dynamic rapid dispute resolution

    Resolve disputes before they become chargebacks. Adjust thresholds by risk and dispute patterns across markets.

Control

Your fraud strategy, your way

  • Risk analytics

    Track fraud, disputes, and approvals in one place. Benchmark performance and monitor Visa and Mastercard thresholds to manage scheme risk.

  • Detailed decision insights

    Understand why each transaction was approved, challenged, or blocked. No black-box decisions.

  • Set risk rules

    Allow, challenge, or block transactions using email, card fingerprint, IP address, or device ID. Manage rules centrally.

Industries

Fraud protection for the way you do business

Digital goods

Detect high-velocity card testing attacks and the use of stolen card credentials before fulfilling orders to help prevent chargebacks.

Travel & Hospitality

Prevent stolen-card fraud and chargebacks on high-value bookings without blocking genuine travellers.

AI & SaaS

Stop abusive accounts from exploiting free trials and usage-based billing before they drive up compute, token, or API costs.

INTEGRATION OPTIONS

Plug Sentinel into your existing setup

Included in Optimize 360

Airwallex Sentinel’s fraud prevention solution is built into Optimize 360 so your payments are fully optimised for authorisation and fraud.

Explore Optimize 360

Coming soon

Add Sentinel to your stack

Keep your current processor and add Sentinel for AI-driven attack detection and response.

Sentinel works best with Airwallex Payments

Give Sentinel the payment context it needs across every way you collect revenue, and manage protection from one connected platform.

Sentinel focuses on fraud. You focus on growth.

AI-powered fraud protection that helps you scale globally with confidence.