Transportation — entry 011 of 69
Boston MBTA Transit
A JSON:API-based real-time and static feed for the Boston-area MBTA transit system, covering predictions, alerts, vehicle positions, schedules, routes, stops, and service alerts across subway, bus, commuter rail, and ferry. Anonymous requests work at a low rate limit, while a free API key registered at api-v3.mbta.com raises the default limit to 1,000 requests per minute.
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:APIResponses can be requested as JSON:API.
GreatAPIs Score
Score78
Authentication15/25API key required
Pricing20/20Free to use
Docs14/20Documentation URL provided
Formats9/15Single response format
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/boston-mbta-transit/"><img src="https://greatapis.com/badge/boston-mbta-transit.svg" alt="Scored 78 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.