curl --request GET \
  --url https://api.alphractal.com/{asset}/exchange_flow/entity_names \
  --header 'X-Api-Key: <api-key>'

import requests

url = "https://api.alphractal.com/{asset}/exchange_flow/entity_names"

headers = {"X-Api-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-Api-Key': '<api-key>'}};

fetch('https://api.alphractal.com/{asset}/exchange_flow/entity_names', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

[
  {
    "entity_name": "<string>"
  }
]