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Flux — Local
Postman alternative
Flux is a fast, local-first API client. No account, no cloud, no telemetry. Your collections live as plain JSON — commit them, sync them, own them.
Top comment
Hey PH! 👋 This started from pure frustration with Postman's "pay us or lose your team features" model. Git sync, mock servers, contract testing — all locked behind a subscription. These should just be free local dev tools. So I'm building exactly that. Today's launch is Phase 1 — the core is solid and working: Test your API endpoints— fire real HTTP requests, inspect responses, and save everything as plain files in a Git repo. Your whole team works from the same collections, no cloud account needed. The next two features are already in active development: Inline contract testing — real-time OpenAPI/Swagger validation on every response, right in the UI. No cloud monitors needed. Local mock server — one-click localhost server from your saved responses. Simulate errors and delays without touching the real API. I'm building this in public. If you've felt the Postman pricing pain, I'd love for you to try Phase 1 and tell me what's missing. Every piece of feedback is directly shaping what gets built next. Drop your thoughts below 👇
About Flux — Local on Product Hunt
“Postman alternative”
Flux — Local was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #120 on the daily leaderboard. Flux is a fast, local-first API client. No account, no cloud, no telemetry. Your collections live as plain JSON — commit them, sync them, own them.
On the analytics side, Flux — Local competes within API, Developer Tools, GitHub and Tech — topics that collectively have 1.3M followers on Product Hunt. The dashboard above tracks how Flux — Local performed against the three products that launched closest to it on the same day.
Who hunted Flux — Local?
Flux — Local was hunted by HalxDocs. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Flux — Local including community comment highlights and product details, visit the product overview.