ch-uid
Swiss UID / VAT (MWST/TVA/IVA) number validation against the official Swiss Federal Statistical Office UID register (UID-Register, uid-wse). Returns format check (mod-11), register status, legal name, legal form, address, commercial-register and VAT status. Sole-proprietor names are masked.
Endpoint
GET|POST https://x402-gateway.forge-x402.workers.dev/api/ch-uid
MCP tool:: ch_uid
Parameters
| Name | Required | Type | Description |
|---|---|---|---|
uid | Required | string | Swiss UID, e.g. CHE-105.829.940 or CHE105829940 MWST |
Example request (unpaid — expect 402)
curl -sS -D - "https://x402-gateway.forge-x402.workers.dev/api/ch-uid?uid=CHE-105.829.940"
Example 402 challenge
The same object is also sent as a base64 PAYMENT-REQUIRED header. Amounts are atomic USDC units (6 decimals).
{
"x402Version": 2,
"error": "Payment required",
"resource": {
"url": "https://x402-gateway.forge-x402.workers.dev/api/ch-uid",
"description": "Swiss UID / VAT (MWST/TVA/IVA) number validation against the official Swiss Federal Statistical Office UID register (UID-Register, uid-wse). Returns format check (mod-11), register status, legal name, legal form, address, commercial-register and VAT status. Sole-proprietor names are masked.",
"mimeType": "application/json"
},
"accepts": [
{
"scheme": "exact",
"network": "eip155:8453",
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x7B8bf45ac6AcbA6D4CFB626b57D3f5fF3C9C89F7",
"maxTimeoutSeconds": 120,
"extra": {
"name": "USD Coin",
"version": "2"
}
}
]
}Retry with payment
curl -sS "https://x402-gateway.forge-x402.workers.dev/api/ch-uid?uid=CHE-105.829.940" \ -H "PAYMENT-SIGNATURE: $PAYMENT"
Example response
{
"uid": "CHE-105.829.940",
"uidFormatValid": true,
"found": true,
"isActive": true,
"name": "Migros-Genossenschafts-Bund",
"legalForm": "Cooperative (Genossenschaft)",
"vat": {
"registered": true,
"active": true
}
}Related Apify Actors
Related endpoints
fr-company
French company lookup (SIREN/SIRET/name) from the official open-data Sirene base (recherche-entreprises.
ch-uid-batch
Batch Swiss UID / VAT number validation (up to 25 numbers per call) against the official Swiss UID register.
bodacc-health
French company legal-health check from the official BODACC notices (DILA open data) for a SIREN/SIRET: insolvency proceedings (sauvegarde, redressement, liquidation), deregistration, sales, accounts filings, last notice dates and a risk summary.