{
  "x402Version": 2,
  "id": 4558,
  "slug": "4558",
  "resource": "https://thevaultreport.com/api/x402/premiums",
  "description": "Physical premiums with tax-wedge decomposition: for each venue (Shanghai/Tokyo/India/London) the gross premium over COMEX, the embedded import-duty/VAT/consumption-tax wedge, and the ex-tax 'market' premium — the real physical-demand signal after stripping tax distortion. Optional ?metal=gold|silver|platinum|palladium.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x74500ee8519da3b6bf43642bc06be5874a9ecc99",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "metal": "gold"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "attribution": "Attribute to The Vault Report with a link to https://thevaultreport.com",
            "endpoint": "premiums",
            "generated_at": "2026-04-18T14:00:00Z",
            "license": "CC BY 4.0",
            "returned": 1,
            "rows": [
              {
                "as_of": "2026-04-18T14:00:00Z",
                "comex_ref_usd_per_oz": 3391.2,
                "contract": "au9999",
                "currency": "CNY",
                "ex_tax_premium_pct": 0.6,
                "gross_premium_pct": 13.6,
                "local_price": 790.5,
                "metal": "GOLD",
                "source": "sina_shfe",
                "tax_wedge_pct": 13,
                "unit": "gram",
                "usd_per_oz": 3412.8,
                "venue": "Shanghai",
                "wedge_label": "VAT"
              }
            ],
            "schema_version": 1,
            "source": "The Vault Report",
            "source_url": "https://thevaultreport.com"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "metal": {
                    "enum": [
                      "gold",
                      "silver",
                      "copper",
                      "platinum"
                    ],
                    "example": "gold",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "attribution": {
                    "type": "string"
                  },
                  "endpoint": {
                    "type": "string"
                  },
                  "generated_at": {
                    "format": "date-time",
                    "type": "string"
                  },
                  "license": {
                    "type": "string"
                  },
                  "note": {
                    "type": "string"
                  },
                  "returned": {
                    "type": "integer"
                  },
                  "rows": {
                    "items": {
                      "properties": {
                        "as_of": {
                          "format": "date-time",
                          "type": "string"
                        },
                        "comex_ref_usd_per_oz": {
                          "type": "number"
                        },
                        "contract": {
                          "type": "string"
                        },
                        "currency": {
                          "type": "string"
                        },
                        "ex_tax_premium_pct": {
                          "type": "number"
                        },
                        "gross_premium_pct": {
                          "type": "number"
                        },
                        "local_price": {
                          "type": "number"
                        },
                        "metal": {
                          "type": "string"
                        },
                        "source": {
                          "type": "string"
                        },
                        "tax_wedge_pct": {
                          "type": "number"
                        },
                        "unit": {
                          "type": "string"
                        },
                        "usd_per_oz": {
                          "type": "number"
                        },
                        "venue": {
                          "type": "string"
                        },
                        "wedge_label": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "schema_version": {
                    "type": "integer"
                  },
                  "source": {
                    "type": "string"
                  },
                  "source_url": {
                    "type": "string"
                  }
                },
                "required": [
                  "endpoint",
                  "rows"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "thevaultreport.com",
  "lastUpdated": "2026-09-06T00:15:53.607Z",
  "quality": {
    "calls30d": 4,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-09-06T00:15:53.258Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "thevaultreport.com",
    "manifest_name": "thevaultreport.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}