nit_gt_validate $0.001 per call

Offline validator for a Guatemalan NIT (Número de Identificación Tributaria). Strips hyphens/spaces, applies the documented mod-11 weighted check-digit algorithm (weights 2..n from right to left) to the base digits, and compares the result (0-9, or 'K' for 10) against the trailing check character.

For AI agents: call nit_gt_validate
POST https://toll402.dev/v1/t/nit_gt_validate
{
 "nit": "12345678-9"
}
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": {
  "nit": {
   "type": "string",
   "description": "NIT string, with or without hyphens/spaces, e.g. '12345678-9'"
  }
 },
 "required": [
  "nit"
 ]
}

MCP

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

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