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API Dash

API Dash is an Apache-2.0, cross-platform, open-source API client built with Flutter, with AI features, response visualisation and code generation for many languages.

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Introduction

API Dash is an open-source, cross-platform API client that the README describes as ‘AI powered’. It is built with Flutter (Dart) and offers downloads for macOS, Windows and Linux.

You can create HTTP requests (GET, HEAD, POST, PATCH, PUT, DELETE), edit inputs, inspect responses visually for many MIME types, and generate integration code in many languages. Recent work adds GraphQL and AI-related features.

The project is developed by the foss42 community and has taken part in Google Summer of Code. Its last tagged release (v0.3.0) dates from November 2023, but commits continued in 2026.

In the quality loop it supports manual API exploration.

The source code is at foss42/apidash on GitHub under the Apache-2.0 licence, with about 3,000 stars; the most recent commit was on 24 October 2026.

Features

  1. Cross-platform: macOS, Windows and Linux builds.
  2. Response previews: Visual rendering of many content types.
  3. Code generation: Snippets in many languages.
  4. AI features: AI-assisted request work (project claim).
  5. Open source: Apache-2.0.

Pros

  1. Free and open: No account needed.
  2. Free to use: Open source under the Apache-2.0 licence, so the core tool costs nothing to use.
  3. Actively maintained: The repository had commits as recent as 24 October 2026.

Cons

  1. Old tagged release: Latest tagged release is from 2023; builds from main may differ.
  2. Manual focus: No CI runner.

Download API Dash from apidash.dev, create a request, and use the code generator to copy a client snippet into your tests.

Resources:

Pricing

API Dash is free and open source under the Apache-2.0 licence.

  1. Developers wanting an open-source, cross-platform client.
  2. Not a fit for automated testing.

Conclusion

API Dash is a community-driven, open-source API client with broad platform support.

On CheckOps, API Dash is filed under the API & contract testing stage. Related tools listed here include Hoppscotch, Bruno, Insomnia, Postman, Yaak and Restfox. Before choosing, compare them on licence, supported languages and platforms, hosting model, and how well each fits your existing CI pipeline. Facts on this page were checked against the official website, documentation and repository on 11 November 2026; statements the vendor makes about its own product are marked as vendor claims.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with API Dash side by side.