License API v1

Bearer client token

Create a product client in Seller Center. Send the token only over HTTPS.

Authorization: Bearer vlc_your_client_token
Content-Type: application/json

/api/v1/activate

{
  "license_key": "VLK1-...",
  "device_id": "stable-device-fingerprint",
  "device_label": "Production server",
  "domain": "example.com",
  "app_version": "2.4.0"
}

/api/v1/verify

{
  "activation_token": "vlat_...",
  "device_id": "stable-device-fingerprint",
  "domain": "example.com"
}

/api/v1/heartbeat

Refresh the activation lease every 12–24 hours with exponential backoff.

/api/v1/transfer

Move a license to a new device after the policy cooldown.

/api/v1/offline

Return a signed, time-limited proof for offline verification. Fetch the asymmetric verification key from GET /api/v1/public-key.