curl --request POST \
  --url http://localhost:8081/admin-service/specialties \
  --header 'Content-Type: application/json' \
  --data '{}'

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

fetch('http://localhost:8081/admin-service/specialties', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:8081/admin-service/specialties"

payload = {}
headers = {"Content-Type": "application/json"}

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

print(response.text)