Convek
For XC apps

XC soaring forecast API for apps.

Convek is the forecast data layer for XC tools. It gives your app structured soaring weather so you can build site summaries, route checks, alerts, and planning workflows without scraping forecast maps.

Create a Free API KeyQuickstartApp guide

Route checks

Sample a planned XC line and show weak lift, cloudbase limits, wind changes, or useful convergence.

Site shortlists

Rank favourite launches or clubs by thermal strength, usable height, wind, and day rating.

Daily alerts

Notify pilots when a site crosses their thresholds for lift, cloudbase, and wind.

Example API call

Route sample using a bearer API key.

Request

curl "https://api.convek.dev/v1/corridor" \
  -H "Authorization: Bearer cvk_live_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "region": "de",
    "resolution": "4km",
    "launch_lat": 48.08,
    "launch_lon": 9.19,
    "bearing_deg": 120,
    "max_distance_km": 80,
    "sample_spacing_km": 10,
    "time": "13:00"
  }'

Response

{
  "valid_date": "2026-05-25",
  "rasp_model": "de/4km",
  "route": {
    "launch_lat": 48.08,
    "launch_lon": 9.19,
    "bearing_deg": 120,
    "max_distance_km": 80,
    "sample_spacing_km": 10,
    "time_aware": false
  },
  "samples": [
    {
      "along_track_km": 0,
      "valid_time": "13:00",
      "wstar_ms": 2.1,
      "hglider_agl_m": 1780,
      "cloudbase_agl_ft": 5900
    }
  ]
}

Where it fits

Forecast layer

Convek

Use for thermal strength, cloudbase, usable height, convergence, soundings, grid slices, and route samples.

openAIP

Use for airspace, airports, navaids, obstacles, and flying-site records.

OGN

Use for live traffic, tracking, and replay where receiver coverage exists.

Open-Meteo

Use for generic rain, temperature, pressure, and fallback weather outside Convek regions.

Build against real soaring fields.

Use this page for the noisy search intent around XC apps, XC weather data, and cross-country soaring forecast APIs.

Create a Free API KeySoaring weather API