curp_validate $0.001 per call
Offline validator for a Mexican CURP (Clave Única de Registro de Población): checks the 18-character structure (4 letters, YYMMDD birthdate, sex letter H/M, 2-letter state code, 3 consonants, homoclave), then verifies the DOF mod-10 weighted check digit. Returns parsed birthdate, sex, state code and whether the format and check digit are valid.
For AI agents: call curp_validate
POST https://toll402.dev/v1/t/curp_validate
{
"curp": "GODE561231HDFRRN00"
}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": {
"curp": {
"type": "string",
"description": "18-character CURP code"
}
},
"required": [
"curp"
],
"additionalProperties": false
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}