How do I use Grok 4.20 Multi-Agent through YepAPI?

Sign up for a free API key, then send requests to the /v1/ai/chat endpoint.

xAIText Generation/v1/ai/chat

Grok 4.20 Multi-Agent

Access Grok 4.20 Multi-Agent through one API key. Multi-agent orchestration with 2M context.

xAI's multi-agent variant. Optimized for orchestrating complex multi-step workflows with the same 2M context window as Grok 4.20.

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2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Send a message and see Grok 4.20 Multi-Agent respond in real time.

POST/v1/ai/chatx-ai/grok-4.20-multi-agent

Message *

Max Tokens

Maximum tokens in the response.

Stream

Real-time tokens

Hit "Send Request" to see the response

Context Window

2M tokens

Max Output

16K tokens

Input Price

$2.00 / 1M tokens

Output Price

$6.00 / 1M tokens

Strengths

✓Multi-agent orchestration

✓2M token context

✓Complex workflows

✓Strong reasoning

Quick start

Copy this snippet and start making calls with Grok 4.20 Multi-Agent.

const res = await fetch('https://api.yepapi.com/v1/ai/chat', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "x-ai/grok-4.20-multi-agent",
    "messages": [
      {
        "role": "user",
        "content": "Explain API gateways in 2 sentences."
      }
    ],
    "maxTokens": 256
  }),
});
const { data } = await res.json();
console.log(data.message.content);