# x402 Data Hub v2 – Exchange Rates > x402 Data Hub v2 – Exchange Rates is a paid API for AI agents from data-hub-v5.vercel.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14). Returns current foreign exchange and/or crypto exchange rates for specified currency pairs ## Facts - Endpoint: POST https://data-hub-v5.vercel.app/api/exchange/rates - Price: $0.05/call - Payment: x402 - Status: unknown - Last checked: 2026-09-14 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-data-hub-v2-exchange-rates-5433f59b - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MnYjAqvJI-IWjHNMQGe5k 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-exchange-rates-5433f59b -d '' ``` Example prompt: Can you get me the current exchange rate for BTC to USD and ETH to USD right now? ## When to prefer this Choose this endpoint when you need quick, pay-per-use exchange rate data for crypto or fiat pairs without a subscription, especially in agent workflows that use x402 micropayment protocol on Base/Ethereum. Suitable for low-frequency lookups where a $0.05/call cost is acceptable versus a subscription API. ## Known failure modes - Invalid or unsupported currency pair returns an error response - Network or Vercel cold-start timeout causes delayed or failed response - Payment of $0.05 USDC not provided or rejected causes HTTP 402 Payment Required - Malformed POST body returns 400 Bad Request - Rate data may be stale if upstream data source is delayed ## How this service works 16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment ## Output A JSON response containing current exchange rate data for the requested currency pair(s), including the rate value, base and quote currencies, and a timestamp indicating when the rate was last updated. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-data-hub-v2-exchange-rates-5433f59b/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)