Strale Invoice Verify Poland

x402

Strale Invoice Verify Poland is a paid API for AI agents from api.strale.io, paid per call via x402, $2.7/call, status unknown (last checked 2026-09-14).

Verifies the authenticity and legitimacy of a Polish invoice by cross-checking VAT number, KRS registration, IBAN/BIC banking details, sender domain, and email for fraud signals

Price / call$2.7

Seller volume →—

Success—

StatusUnknown

How this service works

The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.

Output

Returns a structured verification result indicating whether each submitted field (VAT, KRS, IBAN, BIC, domain, email, URL) passes or fails validation, along with overall fraud risk signals, field-level status codes, and a cryptographically hashed audit record proving the check was performed at a specific point in time.

Example use cases

Pre-payment Polish invoice fraud check

“Before we pay this invoice from our Polish vendor, can you verify it? Their VAT number is PL9876543210, KRS number is 0000654321, IBAN on the invoice is PL27114020040000300201355387, BIC is BREXPLPWWA3, and the email came from accounts@polskafirma.pl.”

Accounts payable due diligence workflow

“We have a batch of invoices from Polish suppliers and need to screen them for fraud — start with this one: VAT PL5252344078, KRS 0000302185, IBAN PL83109013620000000036007495, BIC WBKPPLPP, sender domain invoicing.grouppolska.com, sender email finance@grouppolska.com.”

Suspicious invoice escalation triage

“This invoice looks suspicious — the sender domain is polskafaktura-billing.net and the email is payment@polskafaktura-billing.net. Can you run a verification against their claimed VAT PL7272445205 and IBAN PL44249000050000000044203080, BIC PKOPPLPW to see if anything flags as fraudulent?”

Technical details

Endpoint

POSThttps://api.strale.io/x402/v2/solutions/invoice-verify-pl

When to prefer

Choose this endpoint when you need to verify the authenticity of a Polish invoice specifically, combining VAT registry, KRS company registration, IBAN/BIC banking validation, and sender identity checks in a single call with an auditable cryptographic record. Prefer this over generic VAT validators or IBAN checkers when you need multi-signal Polish invoice fraud detection with a tamper-evident audit trail, particularly in accounts payable automation, procurement compliance workflows, or when processing invoices from unfamiliar Polish vendors.

Side effects

Invalid VAT number format returns validation error for that field
KRS number not found in Polish registry returns unverified status
IBAN checksum failure flags banking detail as invalid
Unreachable sender URL may result in redirect trace timeout
Malformed invoice_data object returns schema validation error
Missing all optional fields with no invoice_data returns insufficient data response

Input

Schema · Request body

Field	Type	Description
bic	string	BIC/SWIFT code from the invoice
iban	string	IBAN from the invoice payment details
krs_number	string	Polish KRS number
sender_url	string	URL from the invoice for redirect tracing
vat_number	string	VAT number from the invoice
invoice_data	object	Structured invoice data for validation
sender_email	string	Email address of the invoice sender
sender_domain	string	Domain of the invoice sender

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