VRSAI Payout Preflight Check

x402

VRSAI Payout Preflight Check is a paid API for AI agents from api.vrsai.tech, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-10).

Validates an outbound payment immediately before authorization by checking destination integrity, duplicate detection, amount/currency drift, and structural validity of payment details.

Price / call$0.05

Seller volume →—

Success—

StatusUnknown

How this service works

Check an outbound payout immediately before authorization to catch changed destinations, duplicate payments, amount or currency drift, and malformed payment details.

Output

A structured list of named checks (e.g. destination_structural_validity, destination_match, exact_duplicate_payout, expected_amount_match) each with a PASS/FAIL/SKIP status and an evidence object. Also includes a coverage summary listing which checks were performed and which were out of scope (e.g. sanctions screening, KYC).

Example use cases

Prevent fraudulent destination swap

“We're about to send a $50,000 supplier payment — before we authorize it, run a preflight check to make sure the bank account destination matches our trusted baseline and hasn't been changed by someone tampering with the invoice.”

Catch accidental duplicate payroll run

“Our payroll system triggered a second batch today — can you preflight check each of these outbound ACH payments against our payment history to catch any exact duplicates before they go out?”

Verify IBAN format and currency before cross-border wire

“Before we authorize this international transfer of €8,750 EUR to a Portuguese IBAN, run a payout preflight to confirm the IBAN checksum is valid, the currency matches our order, and the amount hasn't drifted from what was approved.”

Technical details

Endpoint

POSThttps://api.vrsai.tech/v1/capabilities/payout_preflight?utm_source=zero.xyz

When to prefer

Use this endpoint as a last-mile safety gate immediately before authorizing any outbound payment, especially in automated or agentic payment pipelines where human review is absent. Prefer it over general fraud scoring when you need deterministic, auditable, per-check results with evidence for compliance purposes. Ideal when you maintain a trusted baseline of expected payment details and want to catch destination swaps, amount drift, or duplicate submissions before funds leave.

Side effects

Missing or malformed trusted baseline causes comparison checks to be skipped
Invalid IBAN format returns destination_structural_validity FAIL with checksum evidence
Amount delta detected returns expected_amount_match FAIL with delta_minor value
Duplicate payment detected returns exact_duplicate_payout FAIL with history entries considered
Malformed request body returns HTTP 400
Payment history unavailable causes coverage gaps for duplicate detection

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "checks": [
      {
        "id": "destination_structural_validity",
        "status": "PASS",
        "evidence": {
          "scheme": "iban",
          "country": "PT",
          "iban_masked": "…0154",
          "checksum_valid": true,
          "country_length_checked": true
        }
      },
      {
        "id": "trusted_baseline_presence",
        "status": "PASS",
        "evidence": {
          "form": "raw",
          "supplied": true
        }
      },
      {
        "id": "destination_match",
        "status": "PASS",
        "evidence": {
          "changed": false,
          "compared": true
        }
      },
      {
        "id": "beneficiary_id_match",
        "status": "PASS",
        "evidence": {
          "changed": false,
          "compared": true
        }
      },
      {
        "id": "currency_match",
        "status": "PASS",
        "evidence": {
          "changed": false,
          "compared": true
        }
      },
      {
        "id": "rail_match",
        "status": "PASS",
        "evidence": {
          "changed": false,
          "compared": true
        }
      },
      {
        "id": "reference_match",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "purpose_code_match",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "bic_match",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "expected_amount_match",
        "status": "PASS",
        "evidence": {
          "delta_minor": "0"
        }
      },
      {
        "id": "max_amount_policy",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "allowed_currency",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "allowed_destination_scheme",
        "status": "PASS",
        "evidence": {
          "compared": false
        }
      },
      {
        "id": "exact_duplicate_payout",
        "status": "PASS",
        "evidence": {
          "history_entries_considered": 1
        }
      },
      {
        "id": "duplicate_reference",
        "status": "PASS",
        "evidence": {
          "matched": false,
          "compared": true
        }
      },
      {
        "id": "destination_first_seen",
        "status": "PASS",
        "evidence": {
          "matched": true
        }
      }
    ],
    "coverage": {
      "history": "complete",
      "checks_performed": [
        "destination_structural_validity",
        "trusted_baseline_comparison",
        "expected_amount_policy",
        "exact_duplicate_payout",
        "duplicate_reference",
        "destination_first_seen"
      ],
      "trusted_baseline": "raw",
      "checks_not_performed": [
        "max_amount_policy",
        "allowed_currency_and_scheme_policy",
        "bank_account_existence_verification",
        "beneficiary_ownership_verification",
        "verification_of_payee",
        "sanctions_screening",
        "aml_screening",
        "kyc",
        "fraud_scoring",
        "payment_settlement_confirmation",
        "aba_routing_directory_lookup",
        "evm_rpc_or_bytecode_inspection",
        "payment_submission"
      ],
      "complete_for_declared_scope": true
    },
    "decision": "PROCEED",
    "candidate": {
      "currency": "EUR",
      "payout_id": "pay_8831",
      "amount_minor": "185000",
      "beneficiary_id": "supplier_123",
      "destination_scheme": "iban",
      "payout_fingerprint": "sha256:c2219e731b7102ae397b1e09195a2fd73d5896778452fba41bc23ba090c7be71",
      "destination_fingerprint": "sha256:5546cc5c8e73ac86f8251a94c345ee548e1a4f5bde7bf10e6fb2e12dec95c620"
    },
    "reason_codes": [],
    "machine_action": "AUTHORIZATION_NOT_BLOCKED_BY_PREFLIGHT",
    "ruleset_version": "payout_preflight_r1"
  }
}

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