{
  "name": "Fiscal402",
  "description": "Turn machine payments into verifiable fiscal events. Fiscal402 provides post-settlement fiscal infrastructure for x402 transactions.",
  "positioning": "Fiscal infrastructure for autonomous commerce.",
  "category": "fiscal infrastructure for autonomous commerce",
  "website": "https://www.fiscal402.com",
  "api": "https://api.fiscal402.com",
  "github": "https://github.com/Fiscal402/Fiscal402",
  "current_protocol": "x402 v2 exact",
  "current_jurisdiction": "EU VAT",
  "tax_ruleset_version": "eu-vat-oss-2026.09",
  "protocol_version": "0.3.0",
  "receipt_spec": "fiscal402.receipt",
  "receipt_version": "1.0.0",
  "receipt_v2": "experimental",
  "canonicalization": "fiscal402.sorted-json/1",
  "signature_algorithm": "Ed25519",
  "signing_kid": "receipt-ed25519-v1",
  "artifact_format": "UBL 2.1",
  "artifact_hash": "sha256-utf8-bytes",
  "custody_model": "non-custodial",
  "settlement_model": "post-settlement",
  "fx": "USDC → EUR historical at settled_at",
  "pricing_beta": {
    "active": true,
    "fee_bps": 0,
    "label": "FREE DURING BETA"
  },
  "pricing_standard": {
    "fee_bps": 50,
    "display_rate": "0.5%",
    "of": "fiscalized volume"
  },
  "pricing_high_volume": "custom",
  "current_supported_networks": [
    "eip155:8453",
    "eip155:1"
  ],
  "current_supported_assets": [
    {
      "symbol": "USDC",
      "network": "eip155:8453"
    },
    {
      "symbol": "USDC",
      "network": "eip155:1"
    }
  ],
  "open_source": {
    "protocol_specification": true,
    "verifier_source": true,
    "npm_published": false,
    "proprietary_execution_engine": true
  },
  "independent_verification": true,
  "mcp": false,
  "important_limitations": [
    "Not tax advice.",
    "Not tax-authority approval.",
    "Not a guarantee of legal compliance.",
    "Does not file VAT returns.",
    "Does not custody or move customer funds.",
    "Does not settle, route, or split payments.",
    "Does not act as an x402 facilitator.",
    "x402 v2 exact is the only live HTTP payment ingest.",
    "EU VAT is the only production jurisdiction engine.",
    "Current FX is USDC → EUR at settlement time only.",
    "MPP is not implemented.",
    "AP2 is not implemented.",
    "US tax is not implemented.",
    "UK VAT determination is experimental; not a statutory invoice; GBP valuation is not implemented.",
    "Canada tax engine is not implemented.",
    "Receipt v2 is experimental. Production EU issuance remains receipt v1."
  ],
  "not_implemented": [
    "MPP",
    "AP2",
    "US tax",
    "UK statutory VAT invoice",
    "Canada tax",
    "GBP FX",
    "generic FX",
    "MCP protocol server",
    "npm-published verifier"
  ],
  "last_updated": "2026-09-11"
}