steuerid_de_validate $0.001 per call

Offline validator for the German Steuerliche Identifikationsnummer (Steuer-ID): checks it is 11 digits, that the digit-uniqueness rule (one digit repeats exactly 2 or 3 times per BZSt rules, others appear at most once) holds, and verifies the check digit using the ISO 7064 MOD 11,10 algorithm published by the Bundeszentralamt für Steuern.

For AI agents: call steuerid_de_validate
POST https://toll402.dev/v1/t/steuerid_de_validate
{
 "id": "86095742719"
}
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": {
  "id": {
   "type": "string",
   "description": "Steuer-ID, digits with optional spaces"
  }
 },
 "required": [
  "id"
 ],
 "additionalProperties": false
}

MCP

{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}

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