
Transit Aggregation.
TransitLand API is a free Transportation API that requires no API key, is served over HTTPS and has unconfirmed CORS support.
To query the Transitland Datastore API, use the base URL of https://transit.land/, appended with the endpoint information below. For example, to find routes operated by the San Francisco Municipal Transportation Agency (SFMTA), you can use this query: https://transit.land/api/v1/routes?operated_by=…
Details from transit.land.

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The TransitLand API is provided by Transitland (transit.land). To query the Transitland Datastore API, use the base URL of https://transit.land/, appended with the endpoint information below. For example, to find routes operated by the San Francisco Municipal Transportation Agency (SFMTA), you can use this query: https://transit.land/api/v1/routes?operated_by=…
Yes. The TransitLand 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.
No. The TransitLand API requires no authentication, so you can start making requests without signing up.
CORS support for the TransitLand API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The TransitLand API is served over HTTPS, so it's safe to use in production.