VesselFinder is a solid global tracker. If your operations live in Alaska, Hawaii, or the Pacific Northwest, here's where a region-built API pulls ahead.
| Feature | AIS Intelligence | VesselFinder |
|---|---|---|
| North Pacific / Alaska coverage focus | Purpose-built | Global, sparse above 50°N |
| 400-day historical archive via API | Included (Pro) | Limited / paid add-on |
| Port congestion scoring | Yes | No |
| Dark-ship & gap analysis | Yes | No |
| Clean REST + Python SDK + Postman | Yes | Partial |
| SSE / WebSocket live stream | Yes (Pro) | No |
| Vessel entry/exit alerts (email + SMS) | Yes | Web alerts only |
| Transparent flat pricing | From $199/mo | Quote-based |