How do you pass PDF files to the Claude API?

JSON Payload PDF Request

{
  "model": "claude-3-5-sonnet-20241022",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "document",
          "source": {
            "type": "base64",
            "media_type": "application/pdf",
            "data": "JVBERi0xLjQKJdPr6g..."
          }
        },
        {
          "type": "text",
          "text": "Summarize this PDF document."
        }
      ]
    }
  ]
}