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Flux, Modern API Client

Flux, Modern API Client

Native API client. AI built in, no key, no account.

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Launched August 20, 2026
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About Flux, Modern API Client

Flux, Modern API Client, is a streamlined and open-source tool designed for developers and AI enthusiasts seeking an accessible way to interact with AI APIs without the hassle of managing API keys or accounts. The latest 0.2.0 release introduces a free trial offering 100 actions per month, making it easier for users to experiment and integrate AI capabilities into their workflows. Its embedded JavaScript engine and unified assertion system simplify automation, testing, and CI/CD integrations, especially for collections that previously required complex pre-request scripting. Built with Tauri instead of Electron, Flux emphasizes performance, security, and a lightweight footprint, appealing to both individual developers and teams looking for a modern, open-source solution for API testing and interaction. Its focus on ease of use, open-source transparency, and AI integration sets it apart from traditional API clients, making it a compelling choice for those exploring AI-driven automation and testing.

Screenshots

Flux, Modern API Client screenshot 1
Flux, Modern API Client screenshot 2
Flux, Modern API Client screenshot 3

Pros

  • ✓No API key or account required, enabling quick and easy setup
  • ✓Free tier with 100 actions per month for testing and experimentation
  • ✓Open-source project supports transparency and customization
  • ✓Embedded JavaScript engine allows advanced scripting and automation
  • ✓Built with Tauri for a lightweight, secure, and performant experience

Cons

  • ✗Limited free actions per month, which may not suffice for heavy users
  • ✗Still relatively new with a smaller user community and ecosystem
  • ✗Lack of detailed pricing info for larger-scale use or enterprise plans

Use Cases

1Rapid prototyping and testing of AI API integrations without setup barriers
2Automated API testing and validation in CI/CD pipelines
3Exploring AI models and functionalities without managing API keys
4Developing custom scripts and collections for AI workflows
5Educational purposes and learning about AI API interactions
6Open-source contribution and customization for specialized needs

Pricing

Flux offers a freemium model with a free tier providing 100 actions per month. Additional usage or features may require paid plans, though specific pricing details are not publicly disclosed. Its open-source nature allows for free modification and self-hosting.

Quick Info

Category💻 Developer Tools
Upvotes0
Comments1
Launched8/20/2026

Topics

APIOpen SourceTech

Makers

Gabriel Zapata

Gabriel Zapata

Alternatives

•Postman
•Insomnia
•Hoppscotch
•Paw
•RapidAPI
View all Flux, Modern API Client alternatives →

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