curl --request POST \
  --url https://api.perplexity.ai/v1/contextualizedembeddings \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": [
    [
      "<string>"
    ]
  ]
}
'

{
  "object": "list",
  "data": [
    {
      "object": "list",
      "index": 123,
      "data": [
        {
          "object": "embedding",
          "index": 123,
          "embedding": "<string>"
        }
      ]
    }
  ],
  "model": "<string>",
  "usage": {
    "prompt_tokens": 123,
    "total_tokens": 123,
    "cost": {
      "input_cost": 123,
      "total_cost": 123
    }
  }
}