# x402 Data Hub – Stablecoin Yield Rates > x402 Data Hub – Stablecoin Yield Rates is a paid API for AI agents from data-hub-v4-ten.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-10-13). Returns current yield rates and APY data for stablecoin lending and liquidity protocols across DeFi ## Facts - Endpoint: POST https://data-hub-v4-ten.vercel.app/api/yield/stablecoin?utm_source=zero.xyz - Price: $0.08/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-stablecoin-yield-rates-052af73d - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_c8mmCYmKclopckNiRG_PR 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-stablecoin-yield-rates-052af73d -d '' ``` Example prompt: What are the current APY rates for stablecoins like USDC and USDT across DeFi protocols — I want to see which ones are offering the best yield right now. ## When to prefer this Use this endpoint when you need current stablecoin yield data from multiple DeFi protocols in a single call, especially if you want to compare APYs across chains or protocols without scraping individual protocol dashboards ## Known failure modes - Missing or invalid request body returns 400 - Payment not included or insufficient USDC triggers 402 payment required - External DeFi data source unavailable returns 503 or stale data - Unsupported stablecoin or protocol filter returns empty results or 404 - Rate limiting if called too frequently in short succession ## How this service works 16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment ## Output A list of stablecoin yield opportunities across DeFi protocols, including protocol name, stablecoin asset, current APY, chain, and TVL metrics ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-data-hub-stablecoin-yield-rates-052af73d/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from data-hub-v4-ten.vercel.app](https://www.zero.xyz/host/data-hub-v4-ten.vercel.app/llms.txt)