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Rafid Invoice Anomaly Check
x402
Rafid Invoice Anomaly Check is a paid API for AI agents from api.rafidsystem.com, paid per call via x402, $0.25/call, status unknown (last checked 2026-10-10).
Analyzes an invoice for fraud indicators, duplicates, mismatches, and financial inconsistencies, returning a structured risk score and recommended action.
Price / call$0.25
Success—
StatusUnknown
How this service works
Rafid Agent API provides structured intelligence and paid APIs for AI agents across property, company and risk, supplier, finance, document, website, automotive, logistics, recruitment, trading, voice, video and business-planning workflows.
Output
Returns a structured JSON object containing: an overall risk score (0–100) and risk level (low/medium/high/critical), a decision recommendation (e.g. 'hold' or 'approve'), a list of detected anomalies with codes (e.g. POSSIBLE_DUPLICATE, BANK_ACCOUNT_CHANGED, PO_MISMATCH), severity levels and confidence scores per anomaly, financial validation results (tax, totals, line items), context used in the assessment, and a recommended action narrative. Also includes an invoice summary and a data completeness report.
Example use cases
Duplicate invoice detection before payment
“Before we approve this payment, can you check if invoice INV-2026-1043-A from supplier SUP-291 for $9,660 is a duplicate of anything we've already paid? It came in today with a slightly modified invoice number.”
Flagging changed bank account on supplier invoice
“Our supplier ABC Trading LLC just sent us an invoice with a different bank account than usual — invoice INV-2026-887 for $14,200. Can you run a fraud check on it to see if the bank account change is flagged as suspicious?”
PO mismatch check for procurement audit
“We received invoice INV-2026-2201 from supplier SUP-104 for $32,500 referencing PO-8801, but the amounts don't seem to line up. Can you run an anomaly check and tell me if there's a PO mismatch or any other red flags before we send it to accounts payable?”
Technical details
Endpoint
POSThttps://api.rafidsystem.com/api/v1/x402/finance/invoice-anomaly-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need structured, scored fraud and anomaly analysis on individual invoices before approving payment — especially when duplicate detection, bank account change alerts, PO contract mismatches, or financial math validation are required. Prefer this over generic rule-based checks when you want a context-aware risk score that incorporates supplier history, payment history, and escalation bonuses for multi-family risk signals.
Side effects
- Missing required invoice fields cause validation errors
- Insufficient historical invoice data reduces anomaly detection accuracy
- Unrecognized supplier ID may limit context-aware scoring
- Ambiguous or incomplete PO reference prevents PO mismatch checks
- Network or service timeouts on large invoice payloads
- Payment authorization failure if x402 USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"mode": "context_aware",
"scoring": {
"model": "iac-1.0.0",
"rawScore": 147.3,
"components": [
{
"code": "POSSIBLE_DUPLICATE",
"points": 36,
"severity": "high",
"basePoints": 40,
"confidence": 0.9
}
],
"levelBands": {
"low": "0-14",
"high": "40-64",
"medium": "15-39",
"critical": "65-100"
},
"escalationBonus": 26,
"cappedBySeverity": true,
"escalationReasons": [
"3 independent risk families with ≥ medium anomalies (duplicate, payment_details, po_contract)..."
],
"lowSeverityPoints": 4.3,
"highSeverityPoints": 117,
"mediumSeverityPoints": 0
},
"summary": "4 anomalies detected (POSSIBLE_DUPLICATE, BANK_ACCOUNT_CHANGED, PO_MISMATCH, INVOICE_NUMBER_A...",
"asOfDate": "2026-09-23",
"decision": "hold",
"anomalies": [
{
"code": "POSSIBLE_DUPLICATE",
"field": "invoiceNumber",
"evidence": {},
"severity": "high",
"confidence": 0.9,
"explanation": "A same-supplier invoice with the same amount and a slightly altered invoice number (e.g. suff..."
}
],
"checkedAt": "2026-09-23T00:00:00.000Z",
"riskLevel": "critical",
"riskScore": 100,
"contextUsed": {
"contract": false,
"purchaseOrder": true,
"paymentHistory": 0,
"approvalContext": false,
"supplierProfile": false,
"historicalInvoices": 4,
"supplierHistoryMatched": 4
},
"limitations": [
"The capability identifies invoice anomalies and risk indicators. It does not independently es..."
],
"anomalyCount": 4,
"invoiceSummary": {
"total": 9660,
"dueDate": "2026-10-20",
"currency": "USD",
"supplierId": "SUP-291",
"invoiceDate": "2026-09-20",
"supplierName": "ABC Trading LLC",
"invoiceNumber": "INV-2026-1043-A",
"lineItemCount": 1,
"bankAccountMasked": "****6789"
},
"financialChecks": {
"computed": {
"tolerance": 0.01,
"expectedTax": 460,
"lineItemsSum": 9200,
"expectedTotal": 9660
},
"taxValid": true,
"totalValid": true,
"subtotalValid": true,
"lineTotalsValid": true
},
"dataCompleteness": {
"missingRequiredFields": [],
"missingRecommendedFields": []
},
"recommendedAction": "Compare this invoice with the matched invoice and supporting documents to rule out a duplicat..."
}
}Tags
x402
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