# MBTA Boston Stop Predictions

> MBTA Boston Stop Predictions is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-16).

Returns real-time arrival and departure predictions for a given MBTA Boston transit stop, including times, direction, and status.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/mbta-boston-stop-predictions
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mbta-boston-stop-predictions-d9e2a842
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eSGIA0qSdGL7aq54mkE74

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability mbta-boston-stop-predictions-d9e2a842 -d '<json body>'
```

Example prompt: What are the next arrivals and departures at South Station on the MBTA — give me the current real-time predictions including direction and status for stop place-sstat.

## When to prefer this

Use this endpoint when you need real-time Boston MBTA transit predictions for a specific stop or station, especially for building transit-aware apps, commute assistants, or travel planners that need live arrival/departure data for Boston's subway, bus, or commuter rail network.

## Known failure modes

- Invalid or unknown stop ID returns empty or error response
- MBTA API downtime may result in stale or missing predictions
- Stop ID format mismatch (e.g. numeric vs place- prefix) may return no results
- Missing q parameter results in a bad request error

## How this service works

Boston (MBTA) real-time arrival/departure predictions at a station — arrival/departure time, direction and status. Param q = stop id (e.g. place-pktrm, place-sstat). Query: ?q= Returns JSON.

## Output

A JSON object containing real-time arrival and departure predictions for the specified MBTA stop, including predicted arrival/departure times, direction of travel, and current service status for each scheduled vehicle.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mbta-boston-stop-predictions-d9e2a842/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)