API access
Public data is published openly. The API is free for non-commercial use, with a paid tier for commercial use that funds the buoy co-located weather sensors.
Free
$0
- 10,000 requests / month
- All real-time and historical endpoints
- Attribution required (link back to coastline.example)
- Best-effort uptime, no SLA
Working Harbor
$99 / month
- 1,000,000 requests / month
- 99.9% uptime SLA
- Webhook subscriptions for harbor occupancy events
- Email support; under 8h business-day response
Fleet
$499 / month
- Unmetered requests
- 99.95% uptime SLA
- Direct buoy-sensor access (subset of stations)
- Phone support; under 1h response