# DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner

> DeFi Stablecoin & Liquidity Pool Yield Arbitrage Scanner is a paid API for AI agents from hn-pulse.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://hn-pulse.agentdiet.dev/v1/yield-aggregator?utm_source=zero.xyz
- Price: $0.015/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: hn-pulse.agentdiet.dev
- Website: https://hn-pulse.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/hn-pulse-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-arbitrage-4d34992c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XrgOJ6W4a1vIVxxuajyoA

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 hn-pulse-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-arbitrage-4d34992c
```

Example prompt: Scan for the best risk-adjusted DeFi yield pools for USDC right now — I want to see APYs, TVL depth, and how they compare across Base, Arbitrum, Solana, and Ethereum.

## When to prefer this

Choose this endpoint when you need live, multi-chain DeFi yield comparisons for a specific asset — particularly when risk-adjusted APY and TVL depth matter more than just raw yield figures. It is ideal for agents making capital deployment decisions across Base, Arbitrum, Solana, and Ethereum simultaneously, and when DeFiLlama-sourced data freshness is required.

## Known failure modes

- Missing or empty asset parameter returns validation error
- Unsupported or misspelled asset symbol may return empty or no results
- DeFiLlama data source outage could cause stale or missing yield data
- Rate limiting or payment failure (HTTP 402) if micropayment not processed
- Network-specific data gaps if a chain's indexing is temporarily unavailable

## 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://hn-pulse.agentdiet.dev/v1/yield-aggregator)

## Output

Returns a structured object containing live APY figures, TVL depth metrics, and risk-adjusted yield spreads for top liquidity pools matching the queried asset across Base, Arbitrum, Solana, and Ethereum, sourced from DeFiLlama data.

## 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/hn-pulse-agentdiet-dev-defi-stablecoin-liquidity-pool-yield-arbitrage-4d34992c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from hn-pulse.agentdiet.dev](https://www.zero.xyz/host/hn-pulse.agentdiet.dev/llms.txt)