rif_validate $0.001 per call

Offline validator for a Venezuelan RIF (Registro Único de Información Fiscal). Parses format [V|E|J|G|P|C]-########-#, maps the leading letter to its numeric code (V=1,E=2,J=3,P=4,G=5,C=6), applies the official weighted modulo-11 checksum (weights 4,3,2,7,6,5,4,3,2 over letter-code and 8 digits) and compares the result to the trailing check digit. No network access.

For AI agents: call rif_validate
POST https://toll402.dev/v1/t/rif_validate
{
 "rif": "V-12345678-1"
}
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": {
  "rif": {
   "type": "string",
   "description": "RIF string, e.g. V-12345678-1 (dashes optional)"
  }
 },
 "required": [
  "rif"
 ],
 "additionalProperties": false
}

MCP

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

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