# x402 Data Hub – Crypto Fear & Greed Sentiment > x402 Data Hub – Crypto Fear & Greed Sentiment is a paid API for AI agents from data-hub-x402.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-13). Returns the current crypto Fear & Greed Index score and sentiment classification for the overall cryptocurrency market ## Facts - Endpoint: POST https://data-hub-x402.vercel.app/api/sentiment/fear-greed - Price: $0.08/call - Payment: x402 - Status: unknown - Last checked: 2026-09-13 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-data-hub-crypto-fear-greed-sentiment-7270bef6 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kKL1_ezCzZZG7ENq5LMqi 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-crypto-fear-greed-sentiment-7270bef6 -d '' ``` Example prompt: What's the current crypto Fear & Greed Index score right now — is the market in fear or greed? ## When to prefer this Choose this endpoint when you need a quick, paid, machine-readable crypto market sentiment indicator suitable for automated trading gates, portfolio dashboards, or market briefings. Prefer it over free alternatives when operating in an x402-enabled payment flow and you need reliable per-call access without API key management. ## Known failure modes - Payment not included or insufficient USDC — returns 402 Payment Required - Data source unavailable causing stale or missing index value - Invalid POST body format returning 400 Bad Request - Rate limiting or service downtime on the Vercel-hosted endpoint returning 503 ## How this service works 16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment ## Output Returns a numeric Fear & Greed Index score (typically 0–100), a categorical sentiment label such as 'Extreme Fear', 'Fear', 'Neutral', 'Greed', or 'Extreme Greed', and a timestamp indicating when the reading was captured. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-data-hub-crypto-fear-greed-sentiment-7270bef6/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from data-hub-x402.vercel.app](https://www.zero.xyz/host/data-hub-x402.vercel.app/llms.txt)