CloudEvents
CloudEvents is an open standard for describing event data in a common, interoperable format independent of transport, technology, or platform.
The Design of Web APIs, Second Edition
CloudEvents is a protocol-agnostic standard specification for describing and exchanging event data across different technologies.
- How it is used
- Standardizes events exchanged through webhooks and callbacks to improve interoperability across technologies.
- How deep it goes
- Defines content types, core event fields, uniqueness, and payload-weight trade-offs, but defers detailed event-specific data design.
- Examples
- Uses banking transaction notifications, account balance updates, and simulation-end callbacks.
- What you can do after
- Apply via HTTP webhooks or callbacks with interoperable event metadata and appropriately sized payloads.
Read how The Design of Web APIs, Second Edition explains CloudEvents →
Google Anthos in Action
CloudEvents is an open standard for describing event data in a common, interoperable format.
- How it is used
- Standardizes event data so Knative Eventing can parse external events and route them through brokers, triggers, and services.
- How deep it goes
- Explains CloudEvents as Knative’s parsing standard but stops short of specifying its schema or serialization details.
- Examples
- Uses external events such as Google Cloud Storage events within Knative Eventing pipelines.
- What you can do after
- Evaluate event-driven architectures by identifying CloudEvents as the common format between sources and Knative targets.
Platform Engineering on Kubernetes
CloudEvents is a specification for describing event data in a common, interoperable format independent of the transport used to carry it.
- How it is used
- Standardizes events from heterogeneous systems so platforms can consume information consistently and calculate shared metrics.
- How deep it goes
- Defines a thin envelope, required metadata, payload, and transport bindings without detailing every receiving or emitting implementation.
- Examples
- Uses Dapr PubSub and the CloudEvents SDK to verify event types and retrieve payloads.
- What you can do after
- Apply it via the CloudEvents SDK to emit or consume transport-independent events and access their payloads.
Read how Platform Engineering on Kubernetes explains CloudEvents →
Related concepts
- event adapterproduced by · An event adapter is a component that understands a source-specific event format and translates it into CloudEvents.
- CDEventsimplemented by · CDEvents is an open specification for interoperable events representing activities in software delivery and continuous integration and delivery.
- webhookused by · A webhook is an HTTP callback mechanism that sends event-related information to a configured endpoint when a specified event occurs.
- data collectionproduced by · Data collection is the process of systematically acquiring or gathering information, observations, or measurements from one or more sources for a defined purpose.
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