Api Endpoint

mcp.blocksize.info

Real-time precious metals market data from Blocksize Capital.

Open interactive test console

Offering

Provider
mcp.blocksize.info
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://mcp.blocksize.info/v1/metal/XAUUSD
MIME type
application/json
First seen
2026-10-16T01:50:03.832Z
Last seen
Tags
X402, Crypto, FX, metals, market-data, Prices, Finance

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "payTo": "9qCyPu7sLjnwgcbHYY76eqvtjsrdDxis9nn1sjD8CyJo"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x52C76F43aA871B407e242DCc396Ccc54a8C70aDe"
  }
]

Observed health

Status
Healthy
Latest latency
143 ms
Average latency
430 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "const": "GET"
    },
    "queryParams": {
      "type": "object",
      "properties": {},
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "const": "GET",
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {},
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "description": "Illustrative response; never live market data.",
          "properties": {
            "data": {
              "description": "Precious/base metal spot price data.",
              "properties": {
                "currency": {
                  "default": "USD",
                  "description": "Quote currency",
                  "title": "Currency",
                  "type": "string"
                },
                "name": {
                  "default": "",
                  "description": "Metal name (e.g., Gold)",
                  "title": "Name",
                  "type": "string"
                },
                "price": {
                  "description": "Spot price in USD",
                  "title": "Price",
                  "type": "number"
                },
                "source": {
                  "default": "blocksize",
                  "description": "Data provider",
                  "title": "Source",
                  "type": "string"
                },
                "ticker": {
                  "description": "Metal ticker (e.g., XAUUSD)",
                  "title": "Ticker",
                  "type": "string"
                },
                "timestamp": {
                  "description": "Data timestamp (UTC)",
                  "format": "date-time",
                  "title": "Timestamp",
                  "type": "string"
                }
              },
              "required": [
                "ticker",
                "price",
                "timestamp"
              ],
              "title": "MetalData",
              "type": "object"
            },
            "meta": {
              "type": "object"
            },
            "status": {
              "type": "string"
            }
          },
          "required": [
            "status",
            "data",
            "meta"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}