BC Ferries
Sailing times and capacities for BC Ferries
Container technical detail for the global container fleet.
BIC-Boxtech API is a free Transportation API that requires OAuth authentication, is served over HTTPS and has unconfirmed CORS support.
API documentation for the BIC BoxTech container database
Details from docs.bic-boxtech.org.

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Sailing times and capacities for BC Ferries
Search car sharing trips
Yes. The BIC-Boxtech API is listed in the Transportation category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The BIC-Boxtech API uses OAuth authentication, so you need to register for credentials before making requests.
CORS support for the BIC-Boxtech API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The BIC-Boxtech API is served over HTTPS, so it's safe to use in production.