ng_tin_cac_validate $0.001 per call
Offline validator/classifier for Nigerian identifiers: detects whether a string is a FIRS Tax Identification Number (TIN, format NNNNNNNN-NNNN) or a CAC registration number (RC, BN or IT prefix followed by digits), checks its structural validity, and returns the id type plus inferred entity type (company, business_name, incorporated_trustee, or unknown for TIN).
For AI agents: call ng_tin_cac_validate
POST https://toll402.dev/v1/t/ng_tin_cac_validate
{
"value": "12345678-0001"
}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": "Identifier string to classify and validate"
}
},
"required": [
"value"
]
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}