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CloudEvents Builder & Validator

Create and inspect CloudEvents locally, validate required attributes and extensions, convert between JSON and HTTP bindings, and export safe handoff artifacts.

Events are processed only in this browser
No event, payload, identifier, source, type or filename is uploaded or included in anonymous events. Downloaded reports summarize structure without the payload.

Event input and delivery settings

Up to 2 MiB and 1,000 events per batch.

Build or paste a CloudEvent to begin

Validation findings, normalized JSON, HTTP binding and code examples will appear here.

This validator covers CloudEvents 1.0 core JSON and HTTP binding rules. Confirm broker-specific limits, authentication, retries and idempotency in the target system.

About CloudEvents Builder & Validator

Build, validate and deliver CloudEvents 1.0 in structured or HTTP binary mode. Create and inspect CloudEvents locally, validate required attributes and extensions, convert between JSON and HTTP bindings, and export safe handoff artifacts. The core workflow is designed to run in your current browser.

Key capabilities

  • Read structured JSON, batches and HTTP binary mode
  • Check required attributes, formats, extensions and payload encoding
  • Generate HTTP headers, body, cURL and SDK snippets
  • Process locally and keep payloads out of reports and analytics

Useful for

  • Design a standards-based event envelope before implementation
  • Share a reproducible HTTP delivery example with another team
  • Locate malformed attributes and binding mismatches quickly

Frequently asked questions

Is CloudEvents Builder & Validator free to use online?

Yes. CloudEvents Builder & Validator opens in a modern browser and does not require desktop software installation.

What is CloudEvents Builder & Validator useful for?

Common use cases include Design a standards-based event envelope before implementation; Share a reproducible HTTP delivery example with another team.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Read structured JSON, batches and HTTP binary mode, Check required attributes, formats, extensions and payload encoding, Generate HTTP headers, body, cURL and SDK snippets; account, comments, and anonymous analytics may still create normal site requests.

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