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Configure QVAC

Open the configuration UI after installation:

  • Configuration UI: http://qvac.dappnode:8080
  • OpenAI-compatible API: http://qvac.dappnode:11434/v1
  • Interactive API documentation: http://qvac.dappnode:11434/docs

QVAC starts with the compact qwen3-600m model. Its first download can take several minutes; later starts reuse the persistent model cache.

Choose models

  1. Open Models in the configuration UI.
  2. Select Browse library.
  3. Search or filter the installed QVAC catalogue and add the models you want.
  4. Review which models are defaults or preload at startup.
  5. Select Save & reload.

Models that do not preload are loaded when first requested. This helps avoid filling the node's memory when several models are configured. Advanced users can add a model URL or local path, edit the complete JSON, or import an existing qvac.config.json from the same page.

Call the API

Use the API key chosen during installation as a Bearer token. Omit the Authorization header if no key was configured.

curl http://qvac.dappnode:11434/v1/chat/completions \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -d '{
    "model": "qwen3-600m",
    "messages": [{"role": "user", "content": "Explain DAppNode in one sentence."}]
  }'

The UI remains available while the QVAC worker reloads or downloads models. It also validates every save and keeps recent configuration backups.