# API reference (/api-reference)





Base URL: `https://buff.163.com`

<Cards>
  <Card title="Market data" description="Lowest listing prices, float-range price floors, liquidity rankings, and sell-order books." href="/api-reference/official-market-data/get-market-items" />

  <Card title="Buy orders" description="Create, inspect, and cancel buy orders, and read their status settings." href="/api-reference/official-buy-orders" />

  <Card title="Sell orders" description="Inventory listing, price changes, and sell-order removal." href="/api-reference/official-sell-orders" />

  <Card title="Account" description="BUFF and Steam account state, including bound Steam identity." href="/api-reference/official-account" />

  <Card title="Purchases" description="Standard-item purchase and gifting operations." href="/api-reference/official-purchases" />

  <Card title="Internal prices" description="Read-only item-detail, sell-listing, and buy-order routes used by the BUFF web frontend." href="/api-reference/internal-api-prices" />
</Cards>