Who should use asyncapi-preview?

asyncapi-preview is an open-source project built for developers working with event-driven APIs.

Does asyncapi-preview have a free plan?

Yes — asyncapi-preview is free to use.

What platforms does asyncapi-preview run on?

asyncapi-preview runs on the web, Windows, macOS, and Linux.

Is asyncapi-preview still active?

Unverified. asyncapi-preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to asyncapi-preview?

Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX.

Who makes asyncapi-preview?

asyncapi-preview is developed by AsyncAPI Initiative.

How long has asyncapi-preview been around?

asyncapi-preview first shipped in 2020.

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asyncapi-preview

Name: asyncapi-preview
Author: AsyncAPI Initiative

visualstudio.comBrowser DevTools & extensions

An extension that previews AsyncAPI documents directly inside Visual Studio Code. It supports common YAML and JSON document formats, helping developers review event-driven API definitions during development.

FreeWebWindowsmacOSLinux

Visit visualstudio.com

Overview

5 features

In the Browser DevTools & extensions space, asyncapi-preview takes a focused approach. It helps developers inspect and validate AsyncAPI documents without leaving Visual Studio Code. asyncapi-preview is an open-source project aimed at developers working with event-driven APIs. asyncapi-preview costs nothing to use. asyncapi-preview is available on the web, Windows, macOS, and Linux.

AsyncAPI Initiative builds and maintains asyncapi-preview, and it first shipped in 2020. Key capabilities include asyncAPI preview, YAML support, and JSON support.

AsyncAPI preview
YAML support
JSON support
VS Code integration
Syntax highlighting

Built with & integrations

Runs on

BrowserWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed27 Aug · 11:45 UTC
asyncapi-preview verified against its public source
Source: PulseGate · Open

Frequently asked questions about asyncapi-preview

What is asyncapi-preview?: Asyncapi-preview helps developers inspect and validate AsyncAPI documents without leaving Visual Studio Code. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use asyncapi-preview?: asyncapi-preview is an open-source project built for developers working with event-driven APIs.
Does asyncapi-preview have a free plan?: Yes — asyncapi-preview is free to use.
What platforms does asyncapi-preview run on?: asyncapi-preview runs on the web, Windows, macOS, and Linux.
Is asyncapi-preview still active?: Unverified. asyncapi-preview has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to asyncapi-preview?: Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX."Can I React?"HTML-Essentials AJAX Admin Navigation Sidebar AJAX
Who makes asyncapi-preview?: asyncapi-preview is developed by AsyncAPI Initiative.
How long has asyncapi-preview been around?: asyncapi-preview first shipped in 2020.

At a glance

Platforms: Web
Languages: English
First seen: 27 Aug 2026
Built for: developers working with event-driven APIs
Model: Open source
Solves: Helps developers inspect and validate AsyncAPI documents without leaving Visual Studio Code.

Registered as

VS Code Marketplace: asyncapi.asyncapi-preview

Developer

AsyncAPI Initiative

Index record

Identity confidence: High · 91
Indexed: 27 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 27 Aug 2026

Identity audit (12)

Slug: asyncapi-preview-visualstudio-com
Lifecycle state recorded: 27 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 27 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model from page content.
Last updated: 27 Aug 2026
Canonical URL: https://marketplace.visualstudio.com/items?itemName=asyncapi.asyncapi-preview

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