# x402-data-hub-v2 Crypto Fear & Greed Sentiment Index > x402-data-hub-v2 Crypto Fear & Greed Sentiment Index 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 2026-09-15). Returns the current Crypto Fear & Greed sentiment index score and classification for market mood analysis ## Facts - Endpoint: POST https://data-hub-v4-ten.vercel.app/api/sentiment/fear-greed - Price: $0.08/call - Payment: x402 - Status: unknown - Last checked: 2026-09-15 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/x402-data-hub-v2-crypto-fear-greed-sentiment-index-8543bfdf - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__7vkdsWanAZnI-q9rO3qK 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-crypto-fear-greed-sentiment-index-8543bfdf -d '' ``` Example prompt: What's the current crypto fear and greed index score right now — is the market in extreme fear, fear, neutral, greed, or extreme greed? ## When to prefer this Use this endpoint when an agent needs a quick quantitative market mood signal for crypto — particularly for trading bots, portfolio dashboards, or market briefing tools that need a single consolidated sentiment number. Prefer this over social media scraping or manual analysis when a standardized 0-100 fear/greed score with classification is needed. ## Known failure modes - Payment not received or underpaid — 402 Payment Required returned - Data source unavailable — upstream sentiment data provider down - Invalid request body — 400 Bad Request if POST body is malformed - Rate limiting or quota exceeded for the endpoint ## How this service works 16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment ## Output Returns the numeric fear & greed index score (typically 0-100), a sentiment classification label (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed), and a timestamp indicating when the reading was taken. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-data-hub-v2-crypto-fear-greed-sentiment-index-8543bfdf/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)