# x402 Data Hub v2 – Best Yield Pools

> x402 Data Hub v2 – Best Yield Pools is a paid API for AI agents from data-hub-v5.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-10-13).

Returns the highest-yielding DeFi liquidity pools, filterable by blockchain and stablecoin status

## Facts

- Endpoint: POST https://data-hub-v5.vercel.app/api/yield/best-pools?utm_source=zero.xyz
- Price: $0.12/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-data-hub-v2-best-yield-pools-965236d7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uYJLz2yG-y74BgbapFGvt

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 x402-data-hub-v2-best-yield-pools-965236d7 -d '<json body>'
```

Example prompt: What are the best yield pools available on Ethereum right now? Only show me stablecoin pools.

## When to prefer this

Choose this endpoint when you need a quick, ranked view of the best DeFi yield pools filtered by chain or stablecoin type, especially when working with Base or Ethereum ecosystems and want a low-cost ($0.12 USDC) pay-per-call lookup without a subscription.

## Known failure modes

- Invalid chain name returns empty results or an error
- No pools found for a very narrow filter combination
- Payment failure via x402 protocol returns 402 status without data
- Service downtime on Vercel returns 500 or timeout
- Stale data if underlying DeFi data sources are not refreshed

## How this service works

16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment

## Output

A ranked list of yield pools including pool names, APYs, chains, and whether they are stablecoin pools, filtered by the requested chain and stablecoin preference.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "type": "string",
   "description": "Filter by chain (e.g. Ethereum, Base)"
  },
  "stablecoin": {
   "type": "boolean",
   "description": "Filter stablecoin pools only"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-data-hub-v2-best-yield-pools-965236d7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from data-hub-v5.vercel.app](https://www.zero.xyz/host/data-hub-v5.vercel.app/llms.txt)