import requests

url = "https://{FUSION HOST}/api/collections/{collection}/synonyms/{path}/items"

payload = {
    "id": "<string>",
    "mapping": "<string>",
    "category": "<string>",
    "enabled": True,
    "modified": "2023-11-07T05:31:56Z",
    "user": "<string>"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

{
  "id": "<string>",
  "mapping": "<string>",
  "category": "<string>",
  "enabled": true,
  "modified": "2023-11-07T05:31:56Z",
  "user": "<string>",
  "type": "EXPLICIT"
}