# Beggar Bot Yield Sharpe Ratio Lookup

> Beggar Bot Yield Sharpe Ratio Lookup is a paid API for AI agents from beggar-bot-demand.beggarbot.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-04).

Returns DeFi yield pools ranked or filtered by Sharpe ratio, with optional filters for chain, project, TVL, stablecoin, and history length

## Facts

- Endpoint: GET https://beggar-bot-demand.beggarbot.workers.dev/v1/yieldsharpe?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-11-04
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/beggar-bot-yield-sharpe-ratio-lookup-b015a01f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RmSnGxWscip2KOpLPqsyw

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability beggar-bot-yield-sharpe-ratio-lookup-b015a01f
```

Example prompt: Find me the top 10 stablecoin yield pools by Sharpe ratio on Base mainnet with at least $1M TVL and at least 30 days of price history.

## When to prefer this

Use this endpoint when you need risk-adjusted yield metrics (Sharpe ratio) for DeFi pools rather than raw APY — ideal for agents helping users find yield opportunities that balance return against volatility. Prefer this over generic yield APIs when the user cares about stability and history-backed performance, especially for stablecoin strategies.

## Known failure modes

- Payment not sent or insufficient USDC balance — returns HTTP 402 requiring $0.02 USDC via x402 on Base mainnet
- Invalid chain slug returns empty results or error
- min_tvl or min_days values that are too restrictive return an empty pool list
- Unsupported project slug returns no results
- Network congestion on Base mainnet may delay payment confirmation

## How this service works

Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.

## Output

Returns a JSON list of yield pools with Sharpe ratio scores, filtered and ranked according to query parameters. Each record typically includes pool name, project, chain, APY, TVL, and computed Sharpe ratio over the requested history window.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "chain": {
       "type": "string",
       "description": "chain"
      },
      "limit": {
       "type": "string",
       "description": "rows (25)"
      },
      "min_tvl": {
       "type": "string",
       "description": "min TVL USD (1M)"
      },
      "project": {
       "type": "string",
       "description": "project slug"
      },
      "min_days": {
       "type": "string",
       "description": "min history days (30)"
      },
      "stablecoin": {
       "type": "string",
       "description": "true|false"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/beggar-bot-yield-sharpe-ratio-lookup-b015a01f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from beggar-bot-demand.beggarbot.workers.dev](https://www.zero.xyz/host/beggar-bot-demand.beggarbot.workers.dev/llms.txt)