:wave: Hi everyone!
I’ve been working on Kourier, ...
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Shushant tiwari
09/23/2026, 9:38 AM👋 Hi everyone!
I’ve been working on Kourier, an open-source on-device network inspector for Android & iOS, built with Kotlin Multiplatform + Compose Multiplatform.
The idea is to shorten the QA → Mobile → Backend debugging loop: reproduce an API issue on-device, inspect the request/response, headers, payload, timings and failure context, then share the exact transaction via HAR or cURL.
Architecturally, Kourier uses platform-native interception (OkHttp/Retrofit/Ktor on Android, URLSession on iOS), a shared KMP core, and a CMP inspector UI.
It also includes sensitive-data redaction, local retention and a production-safe no-op artifact.
I’d really appreciate feedback from KMP/CMP developers and library authors, especially around the architecture and API design.
🔌 Integration: github.com/dev-shushant/kourier
💻 Source: github.com/dev-shushant/kourier-kmp
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