# Crypto Fear & Greed Index Endpoint > Crypto Fear & Greed Index Endpoint is a paid API for AI agents from data-hub-v5.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14). Returns the current crypto market Fear & Greed sentiment index score and classification via a paid API call ## Facts - Endpoint: POST https://data-hub-v5.vercel.app/api/sentiment/fear-greed - Price: $0.08/call - Payment: x402 - Status: unknown - Last checked: 2026-09-14 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/crypto-fear-greed-index-endpoint-466d41e0 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_D8J4bivSGejuqwFkmB8V6 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 crypto-fear-greed-index-endpoint-466d41e0 -d '' ``` Example prompt: What's the current crypto Fear & Greed Index score right now — is the market in fear or greed territory? ## When to prefer this Choose this endpoint when you need a real-time, quantified crypto market sentiment reading in a single fast call, especially if you are building trading bots, market dashboards, or automated DCA strategies that require a fear/greed signal. Prefer this over scraping public sentiment pages when you need a reliable, programmatic, paid-tier data source with consistent structure. ## Known failure modes - Payment not authorized or insufficient USDC balance — 402 Payment Required - Upstream sentiment data source unavailable — 503 or 500 error - Malformed request body — 400 Bad Request - Rate limiting if payment verification is delayed ## How this service works 16 paid endpoints - Crypto, Exchange, Yield, Governance, Sentiment ## Output Returns a numeric Fear & Greed Index score (typically 0–100) along with a categorical sentiment label such as 'Extreme Fear', 'Fear', 'Neutral', 'Greed', or 'Extreme Greed', reflecting current aggregate crypto market sentiment. ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crypto-fear-greed-index-endpoint-466d41e0/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)