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You don’t need to install anything to do your first inference. You only need your access token. DeepInfra gives you access to 100+ open-source models at the best prices available.

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Step 1: Get your API key

Go to the Dashboard and create an API key. If you’re logged in, examples throughout the docs will have your token pre-filled.

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Step 2: Make your first API call

curl "https://api.deepinfra.com/v1/openai/chat/completions" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $DEEPINFRA_TOKEN" \
  -d '{
      "model": "deepseek-ai/DeepSeek-V3",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    }'
The response looks like this: 
{
    "id": "chatcmpl-guMTxWgpFf",
    "object": "chat.completion",
    "created": 1694623155,
    "model": "deepseek-ai/DeepSeek-V3",
    "choices": [
        {
            "index": 0,
            "message": {
                "role": "assistant",
                "content": "Hello! It's nice to meet you. Is there something I can help you with?"
            },
            "finish_reason": "stop"
        }
    ],
    "usage": {
        "prompt_tokens": 15,
        "completion_tokens": 16,
        "total_tokens": 31,
        "estimated_cost": 0.0000268
    }
}

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That’s it

You’re using the OpenAI Chat Completions API — the same interface you already know. The only changes are:
  • Base URL: https://api.deepinfra.com/v1/openai
  • API key: your DeepInfra token
  • Model: any model from our catalog
The official OpenAI Python and Node.js libraries work out of the box.

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Install the SDK (optional)

pip install openai

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Next steps

Chat Completions

Learn about the full chat completions API.

Streaming

Stream responses token by token.

Tool Calling

Give models access to external functions.

Model Catalog

Browse 100+ available models.