curl --request GET \
  --url https://api.example.com/api/v1/contacts/export/csv

import requests

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

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

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

{
  "csv_data": "<string>",
  "count": 123,
  "filename": "<string>"
}

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