# Apizie: Transport APIs

> Apizie is one API key for 3723 public data APIs (143423 endpoints, 31 categories): finance and crypto, news, research, developer tools and 1,300+ global APIs, all returned as clean JSON. Includes an MCP server for Claude, ChatGPT and Cursor. Free plan: 1,000 requests/month, no credit card.

## Use it
- Base URL: https://zieapi.vercel.app
- Auth: header `x-api-key: apz_...` (also `Authorization: Bearer` or `api-key`). Free key: https://zieapi.vercel.app/register
- Call: `GET|POST /v1/{category}:{api}/{endpoint}?param=value`
- Success: `{ project, data, timestamp }`
- Error: `{ content, message, errors }` (bulk/plan errors: `{ error: { code, message } }`)
- Limits: headers `X-RateLimit-Remaining`, `X-RateLimit-Remaining-Month`, `Retry-After` on 429; 5xx are refunded
- APIs marked (your key) need the provider's own key in `x-upstream-key`

## Key pages
- [MCP server setup](https://zieapi.vercel.app/mcp): https://zieapi.vercel.app/mcp, Streamable HTTP, OAuth 2.1 or API key, 8 tools
- [Docs](https://zieapi.vercel.app/docs) · [Quickstart](https://zieapi.vercel.app/docs/quickstart) · [Errors](https://zieapi.vercel.app/docs/errors) · [Bring your own key](https://zieapi.vercel.app/docs/byok)
- [Pricing](https://zieapi.vercel.app/pricing): Free 1,000/month, Pro $9, Ultra $29, Max $99 per month (2 months free yearly)
- [OpenAPI 3.1](https://zieapi.vercel.app/openapi.json) · [Full catalog for LLMs](https://zieapi.vercel.app/llms-full.txt)
- Any catalog or docs page has a Markdown twin: append `.md` (for example /api/search-tools/wikipedia.md)

## Endpoints

### OpenSky Network (`transport:opensky`)
Live aircraft positions from the OpenSky Network (anonymous access, 10 second resolution).
- GET /v1/transport:opensky/states: Aircraft in an area (lamin*:number, lomin*:number, lamax*:number, lomax*:number)

### Aviation Weather Center (`transport:aviation-weather`)
METAR observations and TAF forecasts for airports worldwide (NOAA).
- GET /v1/transport:aviation-weather/metar: METAR (ids*:string, hours:integer)
- GET /v1/transport:aviation-weather/taf: TAF (ids*:string)

### CityBikes (`transport:citybikes`)
Bike-share networks and live station availability in 600+ cities.
- GET /v1/transport:citybikes/networks: Networks
- GET /v1/transport:citybikes/network: Stations (id*:string)

### Swiss Public Transport (`transport:swiss-transport`)
Timetables and connections for trains, buses and boats in Switzerland.
- GET /v1/transport:swiss-transport/connections: Connections (from*:string, to*:string, limit:integer)
- GET /v1/transport:swiss-transport/stationboard: Departures (station*:string, limit:integer)
- GET /v1/transport:swiss-transport/locations: Locations (query*:string)

### iRail (Belgian railways) (`transport:irail`)
Belgian train connections, liveboards and stations.
- GET /v1/transport:irail/connections: Connections (from*:string, to*:string)
- GET /v1/transport:irail/liveboard: Liveboard (station*:string)

### ADS-B Live Flights (`transport:adsb-lol`)
Live aircraft positions from the community ADS-B network adsb.lol (open data, ODbL): flights near a point, by callsign, by registration or by ICAO hex.
- GET /v1/transport:adsb-lol/nearby: Aircraft nearby (lat*:number, lon*:number, radius:integer)
- GET /v1/transport:adsb-lol/callsign: By callsign (callsign*:string)
- GET /v1/transport:adsb-lol/registration: By registration (registration*:string)
- GET /v1/transport:adsb-lol/hex: By ICAO hex (hex*:string)

### Transport for London Status (`transport:tfl-status`)
Live London Underground, Overground, DLR, Elizabeth line and bus status from the TfL Unified API (anonymous access).
- GET /v1/transport:tfl-status/line-status: Line status (mode:string)
- GET /v1/transport:tfl-status/arrivals: Stop arrivals (stopId*:string)
- GET /v1/transport:tfl-status/bike-points: Santander bikes
- airportsapi `transport:airport-web-appspot`: 1 endpoint (your key). Spec: https://zieapi.vercel.app/api/transport/airport-web-appspot/openapi.json
- AviationData.Systems Airports API V1 `transport:aviationdata-systems`: 6 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/aviationdata-systems/openapi.json
- realCity Query Server API `transport:bkk-hu`: 23 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/bkk-hu/openapi.json
- departureboard.io API `transport:departureboard`: 6 endpoints. Spec: https://zieapi.vercel.app/api/transport/departureboard/openapi.json
- Betriebsstellen `transport:deutschebahn-betriebsstellen`: 2 endpoints. Spec: https://zieapi.vercel.app/api/transport/deutschebahn-betriebsstellen/openapi.json
- Fahrplan-Free `transport:deutschebahn-fahrplan`: 4 endpoints. Spec: https://zieapi.vercel.app/api/transport/deutschebahn-fahrplan/openapi.json
- FaSta - Station Facilities Status `transport:deutschebahn-fasta`: 3 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/deutschebahn-fasta/openapi.json
- Flinkster_API_NG `transport:deutschebahn-flinkster`: 10 endpoints. Spec: https://zieapi.vercel.app/api/transport/deutschebahn-flinkster/openapi.json
- Reisezentren-API `transport:deutschebahn-reisezentren`: 4 endpoints. Spec: https://zieapi.vercel.app/api/transport/deutschebahn-reisezentren/openapi.json
- Stationsdatenbereitstellung `transport:deutschebahn-stada`: 4 endpoints. Spec: https://zieapi.vercel.app/api/transport/deutschebahn-stada/openapi.json
- Faretrotter Travel API `transport:faretrotter`: 2 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/faretrotter/openapi.json
- LH Partner API `transport:lufthansa-partner`: 16 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/lufthansa-partner/openapi.json
- LH Public API `transport:lufthansa-public`: 15 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/lufthansa-public/openapi.json
- Car Configurator `transport:mercedes-benz-configurator`: 24 endpoints. Spec: https://zieapi.vercel.app/api/transport/mercedes-benz-configurator/openapi.json
- Dealer `transport:mercedes-benz-dealer`: 3 endpoints. Spec: https://zieapi.vercel.app/api/transport/mercedes-benz-dealer/openapi.json
- Remote Diagnostic Support `transport:mercedes-benz-diagnostics`: 4 endpoints. Spec: https://zieapi.vercel.app/api/transport/mercedes-benz-diagnostics/openapi.json
- Vehicle Image `transport:mercedes-benz-image`: 8 endpoints. Spec: https://zieapi.vercel.app/api/transport/mercedes-benz-image/openapi.json
- Mon-voyage-pas-cher.com Public API `transport:mon-voyage-pas-cher`: 11 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/mon-voyage-pas-cher/openapi.json
- PTV Timetable API - Version 3 `transport:ptv-vic-gov-au`: 26 endpoints. Spec: https://zieapi.vercel.app/api/transport/ptv-vic-gov-au/openapi.json
- ShipEngine API `transport:shipengine`: 93 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/shipengine/openapi.json
- Transport for London Unified API `transport:tfl-gov-uk`: 84 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/tfl-gov-uk/openapi.json
- Airports API v2 `transport:transavia`: 5 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/transavia/openapi.json
- Real-Time Bus Predictions `transport:wmata-bus-realtime`: 2 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/wmata-bus-realtime/openapi.json
- Bus Route and Stop Methods `transport:wmata-bus-route`: 12 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/wmata-bus-route/openapi.json
- Incidents `transport:wmata-incidents`: 6 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/wmata-incidents/openapi.json
- Real-Time Rail Predictions `transport:wmata-rail-realtime`: 2 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/wmata-rail-realtime/openapi.json
- Rail Station Information `transport:wmata-rail-station`: 16 endpoints (your key). Spec: https://zieapi.vercel.app/api/transport/wmata-rail-station/openapi.json

Pricing: https://zieapi.vercel.app/pricing