# DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner

> DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner is a paid API for AI agents from serp-extract.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

Scans live DeFiLlama APYs, TVL depth, and risk-adjusted yield spreads across Base, Arbitrum, Solana, and Ethereum pools for a given asset symbol.

## Facts

- Endpoint: GET https://serp-extract.agentdiet.dev/v1/apy-radar?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: serp-extract.agentdiet.dev
- Website: https://serp-extract.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/serp-extract-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-99b13e07
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-jQmPHeFzZRq6YqkCCjyj

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 serp-extract-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-99b13e07
```

Example prompt: Scan DeFiLlama for the best risk-adjusted yield pools for USDC right now across Base, Arbitrum, Solana, and Ethereum — I want to see APYs, TVL depth, and which pools have the highest spreads.

## When to prefer this

Choose this endpoint when you need live, cross-chain DeFi yield data for a specific asset and want risk-adjusted comparisons — not just raw APY — across major EVM and Solana ecosystems. Prefer this over generic DeFi dashboards when an AI agent needs structured, token-efficient yield data it can act on programmatically, especially for USDC, ETH, SOL, or WBTC across Base, Arbitrum, Ethereum, and Solana.

## Known failure modes

- Missing or empty 'asset' parameter returns a validation error
- Unknown or unsupported asset symbols may return empty results or an error
- DeFiLlama upstream latency or downtime may cause stale or failed responses
- Pools with very low TVL may be excluded from risk-adjusted rankings
- Rate limiting or payment failure (HTTP 402) if USDC micropayment is not completed

## How this service works

Scans live DeFiLlama APYs, TVL depth, and risk-adjusted yield spreads across Base, Arbitrum, Solana, and Ethereum pools. (Live x402 v2, IETF MPP & MCP endpoint at https://serp-extract.agentdiet.dev/v1/apy-radar)

## Output

Returns a structured object containing top DeFi liquidity pools for the requested asset, including live APY rates sourced from DeFiLlama, TVL depth per pool, chain identifiers (Base, Arbitrum, Solana, Ethereum), and risk-adjusted yield spread comparisons to help identify optimal yield opportunities.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "asset"
 ],
 "properties": {
  "asset": {
   "type": "string",
   "minLength": 1,
   "description": "Target asset symbol (e.g. USDC, ETH, SOL, WBTC) to scan for top risk-adjusted DeFi yield pools"
  },
  "limit": {
   "type": "integer",
   "default": 20,
   "maximum": 100,
   "minimum": 1,
   "description": "Maximum number of items to return per page (1-100)"
  },
  "cursor": {
   "type": "string",
   "description": "Opaque pagination cursor for fetching the next page"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/serp-extract-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-99b13e07/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from serp-extract.agentdiet.dev](https://www.zero.xyz/host/serp-extract.agentdiet.dev/llms.txt)