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

# Interface Restriction Description

> This page summarizes interface restrictions for AllTick market data APIs, including HTTP and WebSocket rate limits, concurrent connection caps, response size constraints, and account-level limits, with links to error code docs, helping developers design request patterns that avoid throttling or rejections when pulling realtime data.

<CardGroup cols={2}>
  <Card title="HTTP Interface Restrictions" href="/en/getting-started/http-interface-restrictions" />

  <Card title="WebSocket Interface Restrictions" href="/en/getting-started/websocket-interface-limitations" />

  <Card title="Error Code Description" href="/en/getting-started/error-code-description" />
</CardGroup>

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