# Saylor Innovations Airport TAF Forecast

> Saylor Innovations Airport TAF Forecast is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns decoded Terminal Aerodrome Forecast (TAF) periods for an ICAO airport, including wind, visibility, ceiling, flight category, and worst expected flight category.

## Facts

- Endpoint: GET https://saylorinnovations.com/api/aviation/taf?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-airport-taf-forecast-9edac9dd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7vH_JGRxc2kP5xb5GT7qb

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability saylor-innovations-airport-taf-forecast-9edac9dd
```

Example prompt: What does the TAF look like for KJFK right now — give me the decoded forecast periods with wind, visibility, ceiling, and the worst flight category expected.

## When to prefer this

Choose this endpoint when you need decoded, structured TAF data for a specific ICAO airport — particularly when you need per-period breakdowns of flight category, ceiling, visibility, and wind rather than raw METAR observations. Ideal for flight planning, dispatch, and pre-flight briefing automation where structured JSON output is required.

## Known failure modes

- Invalid or unsupported ICAO code returns an error or empty result
- Airport has no current TAF issued (some smaller aerodromes)
- Upstream aviation weather data source unavailable causing timeout or partial data
- Malformed ICAO code (e.g. IATA code used instead of ICAO) causes lookup failure

## How this service works

Airport TAF forecast - decoded terminal forecast periods with wind, visibility, ceiling, flight category and the worst expected category for an ICAO airport

## Output

A JSON object containing the ICAO station identifier, raw TAF string, issued and validity timestamps, worst overall flight category, and an array of decoded forecast periods each with wind direction/speed, visibility, ceiling, and flight category (VFR/MVFR/IFR/LIFR).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "id"
     ],
     "properties": {
      "id": {
       "type": "string",
       "description": "ICAO airport code, e.g. KJFK"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "station",
      "periods"
     ],
     "properties": {
      "raw": {
       "type": "string",
       "description": "Unscaled integer value as returned by the chain"
      },
      "name": {
       "type": [
        "string",
        "null"
       ],
       "description": "Name"
      },
      "source": {
       "type": [
        "string",
        "null"
       ],
       "description": "Data source the values come from"
      },
      "periods": {
       "type": "array",
       "items": {
        "type": "object"
       }
      },
      "station": {
       "type": "string",
       "description": "Observation station"
      },
      "valid_to": {
       "type": "string",
       "description": "End of the validity period (UTC)"
      },
      "issued_at": {
       "type": [
        "string",
        "null"
       ],
       "description": "Issued at (UTC unless a time zone is given)"
      },
      "checked_at": {
       "type": [
        "string",
        "null"
       ],
       "description": "Time the check was run (UTC)"
      },
      "valid_from": {
       "type": "string",
       "description": "Start of the validity period (UTC)"
      },
      "worst_flight_category": {
       "type": "string",
       "description": "Worst flight category"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-airport-taf-forecast-9edac9dd/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)