postal_code_pt_validate $0.001 per call
Offline structural validator/normalizer for Portuguese postal codes (Código Postal) in the NNNN-NNN format. Accepts input with or without the dash, normalizes to NNNN-NNN, and checks the 4-digit + 3-digit pattern; no check digit exists for Portuguese postal codes.
For AI agents: call postal_code_pt_validate
POST https://toll402.dev/v1/t/postal_code_pt_validate
{
"postalCode": "1000-001"
}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": {
"postalCode": {
"type": "string",
"description": "Portuguese postal code, e.g. 1000-001 or 1000001"
}
},
"required": [
"postalCode"
],
"additionalProperties": false
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}