Open WebUI setup

Point Open WebUI at Asterionyx using its OpenAI-compatible connection settings.

This page describes how to point Open WebUI at Asterionyx’s Chat Completions endpoint. It is a setup guide, not a partnership or endorsement.

Before you startYou need an Asterionyx account, a customer API key, the Base URL, a published Model ID from the live catalog, and enough Credits for a test request.
Last verified 2026-08-27Checked against official documentation on 2026-08-27. A clean third-party install was not re-run in this environment. Official source: Open WebUI OpenAI-compatible docs.
Base URL
https://api.a.eus/v1

Open WebUI connection values

Admin Connections can use the same Base URL and key. Environment variables are one self-hosted option; never commit the key. A clean Open WebUI install was not run in this environment.

Open WebUI env
OPENAI_API_BASE_URL=https://api.a.eus/v1
OPENAI_API_KEY=${ASTERIONYX_API_KEY}
  1. Open connection settings

    In Open WebUI, go to Settings → Connections and add / edit an OpenAI API connection.

  2. Set the API Base URL

    Enter the Asterionyx Base URL shown below.

  3. Add your API key

    Paste your Asterionyx API key and save the connection.

  4. Select a model

    The configured IDs become available as models — select one and start chatting.

TipIf models do not appear, re-check the Base URL and key, then refresh the model list.

Troubleshooting

401 / unauthorized

Recopy the API key from the portal. Do not use a placeholder or a key from another account.

402 / insufficient Credits

Create a recharge in the portal. The same API key and Base URL continue to work after Credits are added.

Unknown model

Copy a published public model ID from the live Model Catalog instead of typing a remembered name.

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