Setup

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Run locally

source venv/bin/activate
uvicorn api.index:app --reload --port 8080

Deploy to Vercel

vercel

API

Method	Endpoint	Description
GET	/health	Health check
GET	/lines	Get all MBTA lines
GET	/directions/{route}	Get directions for a route
GET	/stops/{route}	Get stops for a route
POST	/predictions	Get arrival predictions

Predictions request body

{
  "stop_id": "place-harsq",
  "routes": ["Red"],
  "direction": 0,
  "limit": 3
}

Only stop_id is required.