# Services from sentimentalpha.ai on Zero

> sentimentalpha.ai serves 5 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/sentimentalpha.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/sentimentalpha.ai/health.json

## Services

- [SentimentAlpha Social Arbitrage Alert API](https://www.zero.xyz/c/sentimentalpha-social-arbitrage-alert-api-b8091561/llms.txt): $0.01/call via x402. Analyzes real-time X/Twitter sentiment for specified tickers and returns trading signals, narrative velocity, and contrarian alerts when configurable thresholds are crossed
- [SentimentAlpha Manipulation Alpha API](https://www.zero.xyz/c/sentimentalpha-manipulation-alpha-api-23c4ec46/llms.txt): $0.01/call via x402. Analyzes real-time X/Twitter sentiment for a given query and time window to surface manipulation signals, narrative velocity, and contrarian trading opportunities
- [SentimentAlpha.ai Convergence Alpha — Real-Time X/Twitter Sentiment for Trading](https://www.zero.xyz/c/sentimentalpha-ai-convergence-alpha-real-time-x-twitter-sentiment-for-4d6496e5/llms.txt): $0.01/call via x402. Analyzes real-time X/Twitter sentiment for a given query and time window to surface social arbitrage signals, narrative velocity, and contrarian trading indicators.
- [SentimentAlpha Narrative Alpha — Real-Time X/Twitter Sentiment for Trading](https://www.zero.xyz/c/sentimentalpha-narrative-alpha-real-time-x-twitter-sentiment-for-db8b76f4/llms.txt): $0.01/call via x402. Analyzes real-time X/Twitter sentiment via Grok API to surface narrative velocity, trend shifts, and contrarian signals for a given ticker or market event
- [SentimentAlpha Reputation Alpha — X/Twitter Sentiment for Trading](https://www.zero.xyz/c/sentimentalpha-reputation-alpha-x-twitter-sentiment-for-trading-48022393/llms.txt): $0.01/call via x402. Returns real-time X/Twitter sentiment analysis for a queried entity (stock, person, brand, token) using Grok API to surface trading-relevant social signals

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)