Fraud Detection API for Africa

Stop fraud before it happens. Our AI models learn from shared intelligence across networks to evaluate risk in real time and protect every transaction.

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Why choose Simpo for fraud detection

Built for banks, MFIs, fintechs and platforms that need precise risk decisions, low false positives, and simple developer ergonomics.

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Shared intelligence

Leverage patterns learned across the network for stronger detection, even on first-time transactions.

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Real‑time decisions

Sub‑100 ms risk evaluation designed to run inline before authorizations and payouts.

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Simple integration

One endpoint with consistent responses. Send context you already have: user, device, IP, amount, channel.

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Reason codes & analytics

Understand every decision with reason codes and model insights to tune your flows over time.

Evaluate risk in one call

Call simpo.fraud.evaluate before charging. Block, allow, or flag for review based on a single, clear decision.

// Evaluate risk before you charge
const risk = await simpo.fraud.evaluate({
userId: "cust_123",
amount: 25000,
currency: "UGX",
deviceFingerprint: fp,
ip: req.ip,
metadata: { channel: "web", mcc: "6012" }
});
if (risk.decision === "block") throw new Error("High risk");
if (risk.decision === "review") queueManualReview(risk);

Fraud Detection FAQ

Common questions about integration and operations.

What’s returned by the API?

A decision (allow/review/block), confidence score, and reason codes. Optionally, rule hits.

Do you support webhooks?

Yes. Receive post‑transaction events for reconciliations and model feedback.

Can we send custom features?

Yes. Add domain‑specific signals in metadata to improve precision.