# Transit

**Canonical:** https://apis.io/providers/transit/  
**Website:** https://transitapp.com/  
**APIs profiled:** 8

Transit ("The world's most accurate transit app") provides real-time public transit data, multimodal trip planning, and shared mobility across 1,000+ cities including New York, Paris, London, and Montreal, partnering with 180+ transit agencies. The platform aggregates trains, buses, bikes, scooters, and carshares with crowdsourced GO real-time signals, ships a freemium partner API (5 calls/minute, 1,500 calls/month), and monetizes consumers via the Transit Royale subscription ($2/month billed annually).

## Kin Score — 50.2 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 50.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 68.3 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 33.3 |
| Commercial Clarity | 63.2 |
| Access Clarity | 63.2 |

## Agent readiness — 22.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (8)

- **Transit URL Scheme** — Deep-link URL scheme for launching the Transit mobile app from partner apps and websites. Supports directions and nearby-routes hand-offs without requiring an API key.
- **Transit Alerts API** — Service alerts and disruptions
- **Transit Departures API** — Real-time and scheduled transit departure information
- **Transit Mobility API** — Shared bikes, scooters, and carshares
- **Transit Networks API** — Transit network and agency data
- **Transit Routes API** — Route information and schedules
- **Transit Stops API** — Stop and station information
- **Transit Trips API** — Multimodal trip planning and results

## Agentic access (1)

- **Transit Agentic Access** — 7 operations

## Security (2)

- **Transit Authentication** — apiKey · 1 scheme
- **Transit Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Transit Plans Pricing**

## Tags

Public Transit, Real-Time, Trip Planning, Multi-Modal, GTFS, GOFS, Mobility, Shared Mobility

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/transit/). Scores are computed from the provider's own public artifacts under a published rubric.