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mirrored listing x402 eip155:196eip155:8453eip155:1eip155:137eip155:42161

Barker's historical APY trend for stablecoins vs

Barker's historical APY trend for stablecoins vs. US Treasury benchmark over a lookback window (7–180 days). Use for 'DeFi vs treasury', 'is stablecoin APY going up', 'crypto yield trend', '稳定币利率走势'.

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1000 (raw units)
price
12
calls / 30d
1
unique payers
2026-09-18
updated

Provider

mcp.barker.money · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:196",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "aggr_deferred",
    "network": "eip155:196",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:1",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0x83f15f5bea445109e255ab82622fbdfecd1e4c9f",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "days": 30
        },
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "days": 30,
            "stablecoin_apy_series": [
              {
                "apy": 0.045,
                "date": "2026-04-21"
              }
            ],
            "treasury_benchmark_series": [
              {
                "apy": 0.0438,
                "date": "2026-04-21"
              }
            ]
          },
          "success": true
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "days": {
                  "description": "Lookback window in days (default 30)",
                  "maximum": 180,
                  "minimum": 7,
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://mcp.barker.money/barker_market_trend"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://mcp.barker.money/barker_market_trend");
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://mcp.barker.money/barker_market_trend")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/4019.json, and this resource appears in /discovery/resources and /discovery/search.