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

# Axion Client

> Main client class for the Axion SDK

## Constructor

```typescript theme={null}
new Axion(apiKey?: string)
```

Creates a new Axion client instance.

<ParamField path="apiKey" type="string" optional>
  Your Axion API key. Required for authenticated endpoints.
</ParamField>

## Properties

The Axion client provides access to all API modules:

<ResponseField name="stocks" type="StocksAPI">
  Stock market data and prices
</ResponseField>

<ResponseField name="crypto" type="CryptoAPI">
  Cryptocurrency data and prices
</ResponseField>

<ResponseField name="forex" type="ForexAPI">
  Foreign exchange data and prices
</ResponseField>

<ResponseField name="futures" type="FuturesAPI">
  Futures contracts data and prices
</ResponseField>

<ResponseField name="indices" type="IndicesAPI">
  Market indices data and prices
</ResponseField>

<ResponseField name="etfs" type="ETFAPI">
  ETF information and holdings
</ResponseField>

<ResponseField name="profiles" type="ProfilesAPI">
  Company profiles and statistics
</ResponseField>

<ResponseField name="financials" type="FinancialsAPI">
  Financial statements and metrics
</ResponseField>

<ResponseField name="earnings" type="EarningsAPI">
  Earnings data and reports
</ResponseField>

<ResponseField name="filings" type="FilingsAPI">
  SEC filings and forms
</ResponseField>

<ResponseField name="insiders" type="InsidersAPI">
  Insider trading and ownership
</ResponseField>

<ResponseField name="news" type="NewsAPI">
  Financial news articles
</ResponseField>

<ResponseField name="sentiment" type="SentimentAPI">
  Market sentiment analysis
</ResponseField>

<ResponseField name="esg" type="ESGAPI">
  ESG (Environmental, Social, Governance) data
</ResponseField>

<ResponseField name="credit" type="CreditAPI">
  Credit ratings and data
</ResponseField>

<ResponseField name="supplyChain" type="SupplyChainAPI">
  Supply chain relationships
</ResponseField>

<ResponseField name="webTraffic" type="WebTrafficAPI">
  Website traffic analytics
</ResponseField>

<ResponseField name="econ" type="EconAPI">
  Economic data and calendar
</ResponseField>

## Example

```typescript theme={null}
import { Axion } from 'axion-sdk';

const client = new Axion('your-api-key');

const prices = await client.stocks.prices('AAPL');
```