Sirenic
European supplier and invoice verification for e-invoicing compliance in Belgium (mandate since 1 Jan 2026) and Poland (KSeF): registry identity, VIES VAT check, Peppol reachability (BE), IBAN form + key, bank and, in Poland, the official W
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 90 ms
- Price
- $0.030 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 5
- Category
- Sanctions and compliance screening
- Address
- https://api.sirenic.eu/v1/eu/facturation/dossier
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/50e59116ce72.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).