Physical premiums with tax-wedge decomposition: for each venue (Shanghai/Tokyo/India/Londo
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.
20000 (raw units)
price
4
calls / 30d
3
unique payers
2026-09-06
updated
Provider
thevaultreport.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x74500ee8519da3b6bf43642bc06be5874a9ecc99",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"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"
}
}
}Use it
curl
curl "https://thevaultreport.com/api/x402/premiums" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://thevaultreport.com/api/x402/premiums");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://thevaultreport.com/api/x402/premiums")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/4558.json, and this resource appears in /discovery/resources and /discovery/search.