DEV
API Developer Portal
We provide public transit APIs.

Our APIs can be used for mission-critical systems.
Our APIs conform to the industry standards.
Our APIs are well-protected and safe to use.
Metrolinx is undertaking a large technology investment in the API Management infrastructure, while insuring the scalability, performance, and security of our backend system interfaces. We have a unique opportunity to plan, build, and operate a modern enterprise application integration ecosystem.
Application developers use our API Developer Portal to discover public transit APIs, onboard to use them, and learn how to consume them in client applications. They can read API documentation, call an API via the interactive console, and create an account to subscribe for our packaged API products.



APIs enable digital experiences, simplify application integration, underpin new digital products, and make data and services reusable and universally accessible. With the proliferation and increasing dependency on APIs, organizations need to manage them as first-class assets throughout their lifecycle.
Our API products help customers address the following needs:
Abstract IT architecture diversity and complexity
Quickly integrate with Metrolinx information systems
Securely receive public transit and related data
POST /api/transactions
Subscription-Key: key-value
{
"id": "16833741-33a0-437c-9c82-368bed96b7f6",
"from": "562b5682-7861-49ac-ad60-074fe12ddac2",
"to": "7d334e64-d0d3-4941-be6c-f59facf781d6",
"currency": "CAD",
"amount": 110.52
}
"Metrolinx APIs drive our digital transformation and technology partner engagement. They are highly reliable, easy to integrate, and safe to consume on any device."
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