> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cs2cap.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CS2Cap: Unified CS2 Market Data API Documentation

> CS2Cap aggregates prices, buy orders, sales, and analytics from 40 CS2 marketplaces into one unified API. Start querying in minutes.

CS2Cap gives you normalized market data from 40 CS2 marketplaces — including BUFF163, CSFloat, GameBoost, Skinport, Steam, and more — through a single REST API. Whether you're building a trading bot, pricing tool, or portfolio tracker, CS2Cap handles the data aggregation so you don't have to.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="bolt" href="/quickstart">
    Make your first API call in under 5 minutes with cURL, Python, or JavaScript.
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    Get your API key and learn how to authenticate every request.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/overview">
    Explore all endpoints: prices, bids, sales, analytics, and more.
  </Card>

  <Card title="Pricing & Plans" icon="credit-card" href="/guides/pricing-plans">
    Compare Free, Starter, Pro, and Quant tiers by endpoint access and quotas.
  </Card>
</CardGroup>

## What you can build

CS2Cap powers a wide range of CS2 applications:

<CardGroup cols={2}>
  <Card title="Price Aggregation" icon="chart-line" href="/api-reference/prices">
    Query lowest asks across all providers at once with 5–10 minute data freshness.
  </Card>

  <Card title="Buy Order Tracking" icon="arrow-up" href="/api-reference/bids">
    Monitor highest buy orders across 11 buy-order-enabled marketplaces.
  </Card>

  <Card title="Market Analytics" icon="magnifying-glass-chart" href="/api-reference/market-analytics">
    Arbitrage scanning, technical indicators, and market cap indexes for Quant users.
  </Card>

  <Card title="Portfolio Management" icon="briefcase" href="/api-reference/portfolio">
    Track holdings, import from Steam, record transactions, and value portfolios in real time.
  </Card>
</CardGroup>

## Get started in 3 steps

<Steps>
  <Step title="Create an account">
    Sign up at [cs2cap.com](https://cs2cap.com?utm_source=docs\&utm_medium=referral\&utm_campaign=docs), verify your email address, and generate your API key from the Account page.
  </Step>

  <Step title="Make your first request">
    Pass your key in the `Authorization: Bearer` header and query [`/prices`](/api-reference/prices) to get live prices for any CS2 item.
  </Step>

  <Step title="Explore the API">
    Browse the [API Reference](/api-reference/overview) to discover endpoints for bids, sales, portfolio management, and advanced analytics.
  </Step>
</Steps>