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Independent community statistics. Not affiliated with VATSIM.PrivacyData policyAPITimes shown in UTC · Movement data is inferred.

API reference

Versioned, read-only access to the VAT Ledger archive. Every request requires a Developer API key.

OpenAPI 3.1 JSON

Authentication

Send the complete key in the Authorization header. Keys are shown only once when created.

Authorization: Bearer vld_live_your_key
MethodEndpointPurposeCost
GET/api/v1/networkLatest complete network numbers1
GET/api/v1/airportsRank airports by detected movements1
GET/api/v1/airports/{icao}Airport statistics and movement evidence2
GET/api/v1/eventsEvents and attributed statistics1

Rate limits

Limits are measured in quota units. A default key can consume 30 units per minute; all keys on an account share 60 units per minute and 5,000 units per UTC day. Most endpoints cost one unit, while airport detail costs two.

Responses include RateLimit-Limit, RateLimit-Remaining and RateLimit-Reset for the active minute window. A 429 response also includes Retry-After. See the data and API policy for permitted use.

Example request

curl https://vatledger.flightstrips.dk/api/v1/network \
  -H "Authorization: Bearer $VATLEDGER_API_KEY"

Need a key?

Sign in with VATSIM and create up to three keys. A complete key is displayed only once.

Open Developer workspace Contact simon@bjerrebakholdt.dk