> ## Documentation Index
> Fetch the complete documentation index at: https://docs.moxus.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# FAQ

> Common questions about accounts, API keys, models, billing, and integrations in Moxus AI.

## Account and keys

### How do I create an API key?

Open the API keys page after signing in, create a key, and copy the `sk-` value immediately. The full key may only be shown once.

### Can I use one key for multiple projects?

You can, but separate keys are recommended. They make quota control, rotation, and incident response easier.

## Models

### Why does a model call fail with “model not found”?

The model name may be wrong, your group may not have access, or the API key may restrict available models. Check the model catalog and key settings.

### Which Base URL should I use?

Use `https://moxus.ai/v1` for OpenAI-compatible SDKs, `https://moxus.ai` for Anthropic-compatible APIs, and `https://moxus.ai/v1beta` for Gemini-compatible APIs.

## Billing

Open usage logs to see each request, including model, token usage, status, and cost.

## Next steps

* [Authentication](/en/guide/authentication)
* [Models and pricing](/en/overview/models-and-pricing)
* [Support](/en/overview/support)