Transportation — entry 008 of 69
Bay Area Rapid Transit
Official real-time transit API for Bay Area Rapid Transit, covering the BART rail network across San Francisco, Oakland, and the wider East Bay. Endpoints return station lists, real-time and scheduled arrival predictions (ETD), route and schedule data, and system advisories in XML or JSON, accessed with a free shared or self-registered API key.
AuthenticationAPI KeySign up with the provider to obtain credentials.
HTTPSSupportedTraffic is encrypted in transit.
CORSEnabledCallable directly from browser JavaScript.
PricingFreeNo paid tier — free for the documented use case.
FormatsJSON, XMLResponses can be requested as JSON or XML.
GreatAPIs Score
Score84
Authentication15/25API key required
Pricing20/20Free to use
Docs14/20Documentation URL provided
Formats15/15Supports 2 response formats
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/bay-area-rapid-transit/"><img src="https://greatapis.com/badge/bay-area-rapid-transit.svg" alt="Scored 84 on greatapis.com"></a>Auth quickstart
- Sign up with the provider to get an API key.
- Send it on every request as a header
Authorization: <key> - The exact header isn't documented — Authorization is a common default; confirm in the provider's docs.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.