# CTA Customer Alerts API

**Canonical:** https://apis.io/apis/chicago-transit-authority/customer-alerts-api/  
**Provider:** Chicago Transit Authority — https://apis.io/providers/chicago-transit-authority/  
**Base URL:** http://www.transitchicago.com/api/1.0  
**Documentation:** https://www.transitchicago.com/developers/alerts/

CTA Customer Alerts API is one of 11 APIs that [Chicago Transit Authority](https://apis.io/providers/chicago-transit-authority/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Customer Alerts, Real-Time, Service Status, and Transit. The published artifact set on APIs.io includes API documentation.

The Customer Alerts API delivers real-time service status, planned outages, and disruption information for CTA bus and rail services. It provides both a route-level status feed and per-route or per-station detail. Authentication is not required for the public Customer Alerts feeds.

## Machine-readable artifacts (2)

- **Documentation** — https://www.transitchicago.com/developers/alerts/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/chicago-transit-authority/refs/heads/main/apis.yml

## Other Chicago Transit Authority APIs (10)

- [CTA GTFS Schedule Feed](https://apis.io/apis/chicago-transit-authority/gtfs-feed/)
- [Chicago Transit Authority Arrivals API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-arrivals-api/)
- [Chicago Transit Authority Bulletins API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-bulletins-api/)
- [Chicago Transit Authority Follow API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-follow-api/)
- [Chicago Transit Authority Locations API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-locations-api/)
- [Chicago Transit Authority Predictions API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-predictions-api/)
- [Chicago Transit Authority Routes API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-routes-api/)
- [Chicago Transit Authority Stops API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-stops-api/)
- [Chicago Transit Authority System API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-system-api/)
- [Chicago Transit Authority Vehicles API](https://apis.io/apis/chicago-transit-authority/chicago-transit-authority-vehicles-api/)

## Tags

Customer Alerts, Real-Time, Service Status, Transit

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/chicago-transit-authority/customer-alerts-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/chicago-transit-authority/.