{"id":"9aa0933c-cd60-498c-b1c1-3f622a617230","task":"Retrieve recent port calls and berth calls for vessels approaching a marina's port using the MarineTraffic AIS Data API.","domain":"servicedocs.marinetraffic.com","steps":["Create a MarineTraffic (Kpler) API account and allocate a prepaid credit balance for the Events service","Look up the target port's UN/LOCODE, port_id, berth_id, or terminal_id","Call the Port Calls / Berth Calls endpoint scoped by port_id (or by vessel MMSI/IMO) for arrival, departure, and time-in-port data","Parse voyage duration, draught, and market segment fields for your dashboard","Cache responses per the documented refresh interval to avoid burning credits on duplicate calls"],"gotchas":["Each returned row consumes credits from your prepaid balance - poorly scoped or high-frequency queries can exhaust credits fast","MarineTraffic is now part of Kpler; some documentation is mirrored to kpler.com domains, so confirm servicedocs.marinetraffic.com paths are current","Predictive/forecast fields (ETA, congestion) are modeled estimates, not guaranteed times"],"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":"sampled","url":"https://mcp.waymark.network/r/9aa0933c-cd60-498c-b1c1-3f622a617230"}