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SigmaGrid Registry - Liquidity Signal
x402
SigmaGrid Registry - Liquidity Signal is a paid API for AI agents from api.sigmagrid.app, paid per call via x402, $0.03/call, status down (last checked 2026-10-12).
Returns real-time quantitative liquidity signals for a given ticker symbol, accessible via x402 micropayment.
Price / call$0.03
Success—
StatusDown
How this service works
Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.
Output
Returns real-time quantitative liquidity signal data for the requested ticker, including liquidity metrics and trading signal values relevant to algorithmic strategies.
Example use cases
Optimize execution timing for large block trades
“Check the current liquidity signal for TSLA on SigmaGrid — I want to know if now's a good time to execute this large order without moving the market too much.”
Monitor signal divergence across portfolio holdings
“Grab the latest quantitative signals from SigmaGrid for MSFT, GOOGL, and NVDA — I need to see which ones have the healthiest liquidity profiles right now for my rebalancing algo.”
Detect market microstructure opportunities intraday
“Pull the real-time liquidity metrics from SigmaGrid for SPY — my strategy needs to identify fleeting microstructure signals to capitalize on spread compression moments.”
Technical details
Endpoint
POSThttps://api.sigmagrid.app/v1/liquidity/%7Bticker%7D?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time, quantitative liquidity signals for a specific ticker to feed into an algorithmic or quantitative trading strategy and are willing to pay per-call via x402 micropayment. Prefer this over free data sources when signal freshness and quality matter for execution decisions.
Side effects
- Invalid or unrecognized ticker symbol returns a 404 or error response
- Payment not authorized or x402 payment fails resulting in 402 Payment Required
- Ticker market is closed or data unavailable resulting in empty or stale signal
- Rate limiting or quota exceeded returning 429
- Network timeout if signal computation takes too long
Tags
x402
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