Kimi K3 API

Complete API reference for Kimi K3 LLM models powered by Moonshot AI.

Model Variants

This API supports one model variant:

Quick Comparison

Kimi K3 Text to Text

Endpoint

httpCopy
POST /api/v1/chat/completions

Request Parameters

Required

Message Support

Optional

Example Request

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const response = await fetch('https://api.flaq.ai/api/v1/chat/completions', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Accept': 'text/event-stream',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model: 'kimi-k3-text-to-text',
    messages: [
      {
        role: 'user',
        content: 'Write a concise Java beginner tutorial outline.'
      }
    ],
    stream: true,
    max_tokens: 2000,
    top_k: 50
  })
});

Response Format

Kimi K3 returns OpenAI-compatible completion responses. With stream: true, the response is Server-Sent Events; with stream: false, the response is a single JSON object.

Best Practices

• Kimi K3 currently supports text-only input through this route.
• Use concise system instructions for task-specific behavior.
• Tune top_k only when you need stricter or more varied output.