Rental Listing Risk & Fraud Engine

Machine-to-Machine Conformance API · rental-listing-risk

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Explainable tenancy fraud risk score evaluated across irreversible payment demands, off-platform pressure, stolen photos, and advance wire signals. Deterministic rule engine.

Honest Scope Guarantee

Deterministic rule engine over the signals you pass in: it flags documented fraud patterns with an explainable score. It is not an appraisal, a registry lookup, or a guarantee.

Run in Playground (Free) Buy Card Credits Agent Quickstart

Quickstart & Execution

cURL (20 Free Calls/Day • Zero Authentication Required)

curl -X POST https://api.code402.dev/v1/tools/rental-listing-risk/call \
  -H "content-type: application/json" \
  -d '{"payment_irreversible":true,"no_in_person_viewing":true,"price_below_market_pct":45}'

No API key needed for the free daily tier. When daily quota exhausts, the endpoint replies with HTTP 402 Payment Required specifying the exact USDC amount. Machines sign an EIP-3009 transfer on Base L2; human engineers buy card credits. Every paid execution returns a cryptographically signed XDR-1 receipt for zero-knowledge audit trails.

Input Parameters

Field	Type	Meaning & Constraints
`payment_irreversible`	`boolean`	Paid via crypto/gift-card/wire-only.
`contact_moves_offplatform`	`boolean`	Pushed off the listing platform.
`landlord_abroad_cannot_meet`	`boolean`	Landlord 'abroad', can't meet in person.
`no_in_person_viewing`	`boolean`	No viewing before payment.
`urgency_pressure`	`boolean`	Pressure to secure today.
`photos_reverse_image_hit`	`boolean`	Listing photos found elsewhere (stolen).
`identity_docs_requested_upfront`	`boolean`	Full ID/bank docs demanded upfront.
`price_below_market_pct`	`number`	How far below local market the rent is asked, in percent.

Response Format

Deterministic JSON payload fields: tool, risk_score, band, flags, flags_fired, recommendation, scope. Paid responses also carry an offline-verifiable receipt object (XDR-1, secp256k1 signature recoverable to the authorized signer).

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