Get SubCategories and AdditionalCategories

curl -X GET 'https://api.synup.com/api/v4/sub-categories' \
  -H 'Authorization: API YOUR_API_KEY' \
  -H 'Content-Type: application/json'

const res = await fetch('https://api.synup.com/api/v4/sub-categories', {
  method: 'GET',
  headers: {
    Authorization: 'API YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
});
const data = await res.json();

import requests
res = requests.get(
    "https://api.synup.com/api/v4/sub-categories",
    headers={
        "Authorization": "API YOUR_API_KEY",
        "Content-Type": "application/json",
    },
)
data = res.json()

req, _ := http.NewRequest("GET", "https://api.synup.com/api/v4/sub-categories", nil)
req.Header.Set("Authorization", "API YOUR_API_KEY")
req.Header.Set("Content-Type", "application/json")

res, err := http.DefaultClient.Do(req)

{
  "data": {
    "subcategories": [
      {
        "databaseId": 0,
        "id": "string",
        "name": "string",
        "primary": true
      }
    ]
  }
}