Cross-protocol risk-adjusted DeFi yield screener: ranked pools with honest base-vs-reward

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "100000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "100000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "asset": "BTC",
          "category": "steel",
          "chain": "base",
          "limit": 10,
          "min_tvl": 10000000,
          "risk_max": 1,
          "sort": "base",
          "stablecoin": "example"
        },
        "type": "http"
      },
      "output": {
        "example": "{\"results\":[{\"protocol\":\"unitas\",\"symbol\":\"SUSDU\",\"chain\":\"BSC\",\"apy_base\":11.6,\"apy_reward\":0,\"risk_score\":0,\"risk\":\"LOW\",\"sustainable\":true}]}",
        "format": "json",
        "type": "object"
      }
    },
    "schema": {
      "category": "blockchain",
      "description": "Cross-protocol DeFi yield screener over the DeFiLlama pool universe: ranks pools by REAL base APY (separated from unsustainable reward/emission APY), flags yield traps, and adds a 0-10 risk overlay (emissions dependence, TVL depth, IL exposure, volatility). Filterable by asset, chain, stablecoin, min TVL, category, max risk. For allocation agents choosing where to deposit capital.",
      "name": "DeFiRisk — Top Yields Screener",
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "asset": {
                  "description": "Filter by token symbol substring, e.g. USDC",
                  "title": "Asset",
                  "type": "string"
                },
                "category": {
                  "description": "lending or lp",
                  "title": "Category",
                  "type": "string"
                },
                "chain": {
                  "description": "Filter by chain, e.g. Base, Ethereum, Arbitrum",
                  "title": "Chain",
                  "type": "string"
                },
                "limit": {
                  "default": 10,
                  "description": "Result count (max 50)",
                  "title": "Limit",
                  "type": "integer"
                },
                "min_tvl": {
                  "default": 10000000,
                  "description": "Minimum pool TVL in USD",
                  "title": "Min Tvl",
                  "type": "number"
                },
                "risk_max": {
                  "description": "Max risk score 0-10",
                  "title": "Risk Max",
                  "type": "integer"
                },
                "sort": {
                  "default": "base",
                  "description": "base | total | tvl",
                  "title": "Sort",
                  "type": "string"
                },
                "stablecoin": {
                  "description": "true = stablecoin pools only, false = exclude",
                  "title": "Stablecoin",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {},
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "tags": [
        "defi",
        "yield",
        "apy",
        "farming",
        "stablecoin",
        "risk",
        "defillama"
      ],
      "type": "object",
      "version": "1.0.0"
    }
  }
}

curl "https://defi.lonestaroracle.xyz/top-yields"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://defi.lonestaroracle.xyz/top-yields");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://defi.lonestaroracle.xyz/top-yields")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header