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Aviation Ground-Stop Chain (NAS Region)
x402
Aviation Ground-Stop Chain (NAS Region) is a paid API for AI agents from api.truthbear.co, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-13).
Returns a 3-leg sequential chain of aviation weather conditions, FAA NAS ground stops, and realized gate delays for a given US airport, with confidence scored by how many legs are active.
Price / call$0.25
Success—
StatusUnknown
How this service works
[3-LEG] Aviation ground-stop chain, one airport (?entity=ewr): leading aviation weather - METAR ceiling, visibility, convection and gusts -> current FAA NAS ground stops and delay programs -> realized delay (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: FAA NAS Status, NWS METAR. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.25 per call.
Output
A JSON object representing a 3-leg sequential chain: Leg 1 contains METAR-derived aviation weather data (ceiling, visibility, convection, gusts) for the specified airport; Leg 2 contains current FAA NAS ground stop and delay program status; Leg 3 contains realized gate delay confirmation. A confidence score (0–3) reflects how many legs returned live data. Returns HTTP 422 with no_charge if no data is available, meaning the call is not billed.
Example use cases
Pre-departure delay check for Newark
“Before I head to Newark airport, can you check if there's a ground stop or any FAA delay programs active at EWR right now, and tell me what the ceiling and visibility look like?”
Operations monitoring for O'Hare
“Pull the full aviation ground-stop chain for ORD — I need to know the current METAR weather conditions, any active FAA NAS programs, and whether gate delays are being realized, plus the confidence score.”
Real-time delay confirmation at SFO
“Is there a ground stop at SFO right now? Give me the 3-leg chain: weather leading indicators, FAA NAS status, and whether any delays are actually showing up at the gates.”
Technical details
Endpoint
GEThttps://api.truthbear.co/gauge/nas-regionWhen to prefer
Choose this endpoint when you need a single call that aggregates aviation weather leading indicators, FAA NAS operational status, and realized gate delays for a specific US airport into a confidence-scored sequential chain. Prefer this over raw FAA or NWS feeds when you want pre-correlated, multi-source aviation situational awareness without building your own aggregation logic. Especially useful when you need to understand not just if a delay program exists but whether weather conditions support and gate delays confirm it.
Side effects
- 422 no_charge returned when no live data is available for any leg — call is not billed
- Invalid or unsupported airport entity code returns an error
- Partial chain: one or more legs may be unlit if FAA or NWS sources are unavailable, lowering confidence score
- Network timeout or upstream source outage from FAA NAS or NWS METAR feeds
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"legs": {
"ground_ops": {
"band": "normal",
"source_ref": "https://nasstatus.faa.gov/",
"record_hash": "sha256:081b471e6ccdf63d45e4daf90698bba7215ed9571073e931c9b2e62b1fe84c5e"
},
"aviation_wx": {
"band": "vfr_clear",
"source_ref": "https://aviationweather.gov/",
"record_hash": "sha256:035a23f3ca29509783992474ebb3290ac55e423a4e1ff68b621526c533170833"
},
"impact_cascade": {
"band": "none",
"source_ref": "https://nasstatus.faa.gov/",
"record_hash": "sha256:bb7dcab20272e4d1a8b01dfbabbcbb5318ffe14ef484ec9e1eead2d5c07e7395"
}
},
"name": "Newark Liberty Intl",
"grade": "screening-level, not decision-grade",
"scope": {
"full": "https://api.truthbear.co/scope/v1",
"verifiability": "unknown",
"monitoring_not_forecast": true,
"intelligence_not_command": true
},
"entity": "ewr",
"nature": "This API supplies data organisation and trend description only. It is not a recommendation to act; the decision is yours. Purely descriptive - no judgement, no prediction. Official source plus record_hash; verify with the free /gauge/verify.",
"provenance": {
"freshness": "fresh",
"age_hours_now": 0,
"freshness_basis": "cadence=default; fresh<=24h; recent<=192h; dead_source>1440h; age_basis=request-time(now minus observed_at)"
}
}
}Tags
x402
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