curl --request POST \
  --url https://api.example.com/api/v1/contacts/import/csv \
  --header 'Content-Type: application/json' \
  --data '
{
  "csv_content": "<string>"
}
'

import requests

url = "https://api.example.com/api/v1/contacts/import/csv"

payload = { "csv_content": "<string>" }
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({csv_content: '<string>'})
};

fetch('https://api.example.com/api/v1/contacts/import/csv', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "imported": 123,
  "updated": 123,
  "errors": [
    {}
  ],
  "rows_processed": 123
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}