{
  "id": "api:x402-a70a016c4ba42d70",
  "kind": "api",
  "name": "toll402.dev/v1/t/mst_vn_validate",
  "description": "Offline structural validator for a Vietnamese Enterprise/Tax Code (Mã số thuế, MST). Strips spaces, checks the 10-digit head-office pattern or the 13-character branch pattern (10 digits + '-' + 3-digit sequence). Uses regex only since the official modulus-11 check-digit weight table is not consistently published.",
  "category": "x402",
  "url": "https://toll402.dev/v1/t/mst_vn_validate",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0x318d34fa0bd69eff17fac648d2df8cf7a88b3dbe",
    "method": "POST",
    "last_updated": "2026-10-25T23:39:40.956Z"
  },
  "trust": {
    "verified": true,
    "uptime_pct": 100,
    "latency_ms": 767,
    "checks": 1
  }
}