tckn_validate $0.001 per call

Offline validator for a Turkish TCKN (T.C. Kimlik No, 11-digit national identity number). Checks length, leading digit non-zero, and the official checksum: digit10 = ((sum of digits 1,3,5,7,9 * 7) - sum of digits 2,4,6,8) mod 10, digit11 = (sum of first 10 digits) mod 10.

For AI agents: call tckn_validate
POST https://toll402.dev/v1/t/tckn_validate
{
 "tckn": "10000000146"
}
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": {
  "tckn": {
   "type": "string",
   "description": "11-digit Turkish national ID number, digits only"
  }
 },
 "required": [
  "tckn"
 ],
 "additionalProperties": false
}

MCP

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

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