RikkaHub Guide

RikkaHub is an Android AI chat client that supports multiple OpenAI-compatible interfaces, suitable for daily AI conversations on mobile devices.

Installation

RikkaHub currently supports Android only and does not support iOS.

You can install it with either method:

• Download the APK from the RikkaHub download page and install it manually.
• Search for RikkaHub on Google Play and install it.

Connect to Flux

RikkaHub can connect to Flux through its OpenAI-compatible provider support.

1. Follow Create API Key to generate an API key.

2. Open RikkaHub, tap the left sidebar, and go to Settings.

3. Choose Providers, add a new provider, and select OpenAI as the type.

4. Fill in the following configuration:

   Provider type: OpenAI
   Base URL: https://api.tryflux.net/v1
   API Key: Flux API key

   Note: The Base URL must end with /v1. RikkaHub appends paths such as /chat/completions automatically, so do not add duplicate path segments at the end.

5. Save the provider, wait for the model list to refresh, then tap the icon on the left of Add Model and choose target models.

6. Return to the home page and select the model you just added to start chatting.

Verify the Setup

Whether the model list refreshes in step 5 is the most direct check: models appearing means the API key and base URL are both correct.

Then send a message in the chat interface. A reply means the setup works, and the call appears in the usage logs.

If the model list does not refresh, rule the client out with Test the Key and Endpoint on Their Own, then check that the base URL ends with /v1 and does not repeat the path.

Next Steps

After completing configuration, you can start model conversations directly in RikkaHub.

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