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Stormap Trading Halts
x402
Stormap Trading Halts is a paid API for AI agents from stormap.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-28).
Returns current and today's US stock trading halts (Nasdaq, NYSE, NYSE American) with plain-English reasons, halt times, resume times, and status, refreshed every minute.
Price / call$0.01
Success—
StatusUnknown
How this service works
Use when the question is whether a US stock is halted now or was halted today (Nasdaq, NYSE, NYSE American): reason in plain English (news pending, volatility pause…), halt time, quote and trade resume times, and status (halted, resuming_soon, resumed). From Nasdaq's halt feed, refreshed every minute. Filter with symbols=AAPL,MSFT or leave empty for all halts. Errors: 400 bad_input, 502 feed unreachable. Failed calls are not charged.
Output
Returns a list of trading halt records for today, each including the ticker symbol, exchange (Nasdaq/NYSE/NYSE American), plain-English reason for the halt, halt start time, resume time (if available), and current status (active or resumed). Can be filtered to specific tickers or returned in full for all halted securities.
Example use cases
Real-time halt alert for a watchlist
“Check for any active trading halts right now on AAPL, TSLA, and NVDA — I want to know the reason and whether trading has resumed.”
Broad market halt sweep before open
“Pull all US stock trading halts from this morning so far — I want to see every ticker that's been halted, why, and what time the halt started.”
Halt reason lookup for a single stock
“Why is GME halted right now? Give me the reason in plain English, the halt time, and whether there's an expected resume time.”
Technical details
Endpoint
GEThttps://stormap.ai/x402/v1/trading_halts?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time or intraday US stock trading halt data with human-readable explanations rather than raw exchange codes. Ideal for trading agents, market monitoring bots, or financial assistants that need to explain to users why a stock has stopped trading. Prefer this over generic market data APIs when you specifically need halt reason context in plain English and per-halt timing details across all three major US exchanges.
Side effects
- No halts found for requested tickers — returned as empty list, not an error
- Invalid ticker symbol format may return empty results without explicit error
- Service unavailable during exchange off-hours may return empty or stale data
- Payment failure (402) if USDC balance is insufficient for the $0.01 per-call fee
- Rate limiting or network timeout returning 5xx errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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