Open data
All Seafarer Index reference datasets are available as JSON under Creative Commons Attribution 4.0 International (CC BY 4.0). Free for any use, including commercial, with attribution. The dumps are static, regenerated daily, and CORS-open so you can fetch them from a browser.
Citation example: Seafarer Index, https://seafarerindex.com — CC BY 4.0.
Issues, schema questions, or want to contribute back? Use the "Report an error" widget at the foot of any page or open an issue on GitHub.
Endpoints
Ports
/api/data/ports44.4 MBUN/LOCODE-keyed ports with name, country, coordinates (where filled), timezone, region.
Ships
/api/data/ships583 KBIMO-keyed ships with type, flag, dimensions, year built, owner / manager links.
Companies
/api/data/companies325 KBOperators, ship managers, manning agencies.
Flag states
/api/data/flags114 KBISO3-keyed flag states with MLC status, Paris/Tokyo MoU rating, ITF FoC, complaint URL.
Glossary
/api/data/glossary1.2 MB320+ maritime terms with short and full definitions, category, related slugs.
Certifications (STCW)
/api/data/certifications79 KBSTCW courses with category, table reference, prerequisites, duration, validity, refresher cycle.
Seafarer centres
/api/data/centers155 KBWelfare centres worldwide — Mission to Seafarers, Stella Maris, NAMMA, Deutsche Seemannsmission.
Salaries
/api/data/salaries428 KBWage ranges by rank and vessel type.
Helplines
/api/data/helplines69 KBWelfare and crisis helplines for seafarers and families.
Port operational extras
/api/data/port-extras157 KBPer-port pilotage / VTS / P&I correspondents / agents for ~30 major ports.
Crew-change visa matrix
/api/data/visa-matrix78 KBPort country × seafarer nationality visa-requirement lookup (168 cells).
Licence summary
CC BY 4.0 means you may share and adapt the data for any purpose, including commercially, provided you give appropriate credit, link to the licence, and indicate if changes were made. You may not apply technical measures that legally restrict others from doing anything the licence permits.
Full licence: creativecommons.org/licenses/by/4.0.
Some upstream sources have their own licensing — see the sources page for attribution. For example, port coordinates and UN/LOCODEs originate from public UNECE data; flag-state Paris/Tokyo MoU ratings from those organisations' public lists.
Schema
Each dataset's schema is documented inline in lib/schemas.ts using Zod. Field names are stable; new fields may be added (always documented in /changelog) but existing fields are not renamed without notice.