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

# Bianxie AI Aggregated API

> One API key connects you to leading models.

Bianxie AI Aggregated API provides developers with a unified gateway for model calls.

Base URL: `https://api.bianxie.ai`. It supports OpenAI Chat Completions, Responses, Anthropic Messages, Gemini GenerateContent, and other compatible protocols.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/en/quickstart">Create a key and make your first request.</Card>
  <Card title="Models and pricing" icon="tags" href="https://api.bianxie.ai/pricing">See the live model catalog.</Card>
  <Card title="API reference" icon="brackets-curly">Use the sidebar to review request and response fields for each endpoint.</Card>
  <Card title="Buy a redemption code" icon="credit-card" href="https://shop.bianxieai.com/">The minimum top-up is USD 1 (RMB 6).</Card>
</CardGroup>

<Note>Compatibility covers only the endpoints and fields documented here. Newly released or experimental upstream features may not be immediately available.</Note>