che_uid_validate $0.001 per call
Offline validator for a Swiss UID/IDE number (format CHE-nnn.nnn.nnC). Strips the 'CHE' prefix and separators, verifies 9 digits remain, then applies the modulo-11 weighted check-digit algorithm (weights 5,4,3,2,7,6,5,4 on the first 8 digits) to confirm the 9th digit matches.
For AI agents: call che_uid_validate
POST https://toll402.dev/v1/t/che_uid_validate
{
"value": "CHE-109.322.551"
}Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server:
npx -y toll402-mcp · remote https://toll402.dev/mcp.Input schema
{
"type": "object",
"properties": {
"value": {
"type": "string",
"description": "Swiss UID/IDE number, e.g. CHE-109.322.551"
}
},
"required": [
"value"
],
"additionalProperties": false
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}