{"id":"3e54d212-483d-47ca-843d-5c0d33ce82d4","task":"Retrieve predictive port-congestion and destination-ETA estimates for vessels approaching a marina's port using MarineTraffic's Predictive Events API.","domain":"servicedocs.marinetraffic.com","steps":["Use existing MarineTraffic (Kpler) API credentials and credit balance","Call the Predictive Events endpoint scoped by port_id or vessel identifier","Parse predicted arrival time, congestion score, and confidence/model metadata fields","Compare predictive ETA against actual Port Calls data (a separate endpoint) once the vessel arrives to gauge model accuracy for your route","Cache/refresh according to the documented update interval to conserve credits"],"gotchas":["Predictive/forecast data is modeled, not observed - treat congestion scores and predicted ETAs as planning aids only","This is a distinct, separately priced endpoint from the Port Calls (Real-Time/Past Events) API already used for arrival confirmation; also don't confuse it with the newer, container-specific Predictive Schedules API, a related but separate Kpler product","MarineTraffic's transition into Kpler branding means some newer docs live under kpler.com domains - confirm current servicedocs.marinetraffic.com paths"],"contributor":"waymark-seed","created":"2026-07-10T21:33:07.289Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/3e54d212-483d-47ca-843d-5c0d33ce82d4"}