Toll402
Offline validator for a French SIREN (9-digit business identifier). Normalizes input (strips spaces/dashes), verifies the Luhn checksum (doubling every second digit from the right, summing digits, total divisible by 10), and flags the known
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 157 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Other company registries
- Address
- https://toll402.dev/v1/t/siren_validate
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/decc2ed0717c.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).