# DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner

> DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner is a paid API for AI agents from prompt-guard.agentdiet.dev, paid per call via MPP, $0.015/call, status unknown (last checked 2026-10-21).

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

## Facts

- Endpoint: GET https://prompt-guard.agentdiet.dev/v1/lp-apy-scanner?utm_source=zero.xyz
- Price: $0.015/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: prompt-guard.agentdiet.dev
- Website: https://prompt-guard.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/prompt-guard-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-376d7759
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HG400cum5VzYORplJng_S

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 prompt-guard-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-376d7759
```

Example prompt: What are the top risk-adjusted DeFi yield pools for USDC right now across Base, Arbitrum, Solana, and Ethereum — show me the best APYs and TVL depth?

## When to prefer this

Choose this endpoint when you need a live, multi-chain DeFi yield scan for a specific asset backed by DeFiLlama data, especially when risk-adjusted comparison across Base, Arbitrum, Solana, and Ethereum is needed in a single call. Prefer this over manually querying DeFiLlama or individual protocol APIs when you want ranked, risk-scored pool results without aggregation overhead.

## Known failure modes

- Missing or invalid asset symbol returns a validation error
- Unknown/unsupported asset symbol may return empty results or an error
- DeFiLlama upstream unavailability may cause stale or failed data retrieval
- Network timeout if the scan across multiple chains takes too long
- 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://prompt-guard.agentdiet.dev/v1/lp-apy-scanner)

## Output

Returns a structured list of liquidity pools for the queried asset, including live APY rates sourced from DeFiLlama, TVL depth figures, and risk-adjusted yield spread scores across Base, Arbitrum, Solana, and Ethereum. Pools are ranked to surface the best risk-adjusted 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"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/prompt-guard-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-376d7759/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prompt-guard.agentdiet.dev](https://www.zero.xyz/host/prompt-guard.agentdiet.dev/llms.txt)