# Services from quantx402.app on Zero

> quantx402.app serves 13 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/quantx402.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/quantx402.app/health.json

## Services

- [QuantX402 News Headlines with Tone Scores](https://www.zero.xyz/c/quantx402-news-headlines-with-tone-scores-f68b4511/llms.txt): $0.01/call via x402. Fetches recent news headlines for a crypto or stock/ETF symbol, each scored for tone, plus an average tone across all results
- [QuantX402 Multi-Asset Market Signal API](https://www.zero.xyz/c/quantx402-multi-asset-market-signal-api-480610c1/llms.txt): $0.02/call via x402. Returns a blended market forecast for a crypto symbol (BTC-USD, ETH-USD), including directional probability, expected move percent, 80% price band, and invalidation level.
- [QuantX402 Kronos 1h Crypto Forecast](https://www.zero.xyz/c/quantx402-kronos-1h-crypto-forecast-f271bf1a/llms.txt): $0.02/call via x402. Returns a Kronos candlestick-model directional signal with confidence bucket, volatility range, invalidation level, and per-step percentiles for a crypto pair on the 1-hour timeframe.
- [QuantX402 Stock Forecast](https://www.zero.xyz/c/quantx402-stock-forecast-ddec29ef/llms.txt): $0.02/call via x402. Returns multi-timeframe directional forecasts (15m, 1h, 4h, 1d) for major US stocks and ETFs using a seeded bootstrap baseline model, including direction, probability-of-up, 80% range, invalidation level, and per-step percentiles.
- [QuantX402 Multi-Asset Market Signal API](https://www.zero.xyz/c/quantx402-multi-asset-market-signal-api-8e0e8e5f/llms.txt): $0.01/call via x402. Returns blended market signals for crypto (and soon stocks/forex) including prediction-market odds, volatility ranges, Kronos forecasts, and sentiment in a single JSON fact list, paid per-call via x402.
- [QuantX402 Kronos Forecast – 15m Candlestick Signal](https://www.zero.xyz/c/quantx402-kronos-forecast-15m-candlestick-signal-106b2e93/llms.txt): $0.02/call via x402. Returns a 15-minute Kronos candlestick model forecast signal for a crypto pair, including direction, confidence bucket, volatility-based price range, invalidation level, and per-step percentiles.
- [QuantX402 On-Demand Kronos Forecast](https://www.zero.xyz/c/quantx402-on-demand-kronos-forecast-23418f97/llms.txt): $0.05/call via x402. Runs the Kronos candlestick model forecast on any crypto pair or US stock ticker not on the scheduled list, returning a signal or a job ID to poll
- [QuantX402 Multi-Asset Market Signal API](https://www.zero.xyz/c/quantx402-multi-asset-market-signal-api-ce0b03df/llms.txt): $0.03/call via x402. Returns a blended directional market signal (stance, odds, sentiment, invalidation level) for a crypto symbol by combining Kronos AI forecasts with market data, volatility, and prediction-market inputs.
- [QuantX402 Kronos Forecast – 4h Candlestick Signal](https://www.zero.xyz/c/quantx402-kronos-forecast-4h-candlestick-signal-c05fdfba/llms.txt): $0.02/call via x402. Returns a 4-hour Kronos candlestick model forecast for a crypto pair, including directional signal, confidence bucket, volatility-based price range, invalidation level, and per-step percentiles.
- [QuantX402 Sentiment](https://www.zero.xyz/c/quantx402-sentiment-077c4660/llms.txt): $0.01/call via x402. Returns a composite market-mood score for a single crypto or stock symbol, blending model lean, price momentum, and news tone into one sentiment read.
- [QuantX402 Kronos Forecast – 1d Candlestick Signal](https://www.zero.xyz/c/quantx402-kronos-forecast-1d-candlestick-signal-4a3e84d3/llms.txt): $0.02/call via x402. Returns the Kronos candlestick model's daily forecast signal for a crypto pair, including direction, confidence bucket, volatility-based price range, invalidation level, and per-step percentiles.
- [QuantX402 Basic Market Signal API](https://www.zero.xyz/c/quantx402-basic-market-signal-api-8aad21fb/llms.txt): $0.01/call via x402. Returns a blended directional market signal (direction, confidence, expected price range) for BTC-USD or ETH-USD, combining Kronos forecasts with market data, volatility, prediction-market odds, and sentiment.
- [QuantX402 Track Record API](https://www.zero.xyz/c/quantx402-track-record-api-0c939444/llms.txt): $0.01/call via x402. Returns historical forecast accuracy and track record data for Kronos market signal predictions across crypto, stocks, and forex symbols.

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

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