curl --request POST \
  --url https://api.plansync.dev/api/v1/projects/{projectId}/proposals \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "title": "<string>",
  "validUntil": "2023-11-07T05:31:56Z"
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({title: '<string>', validUntil: '2023-11-07T05:31:56Z'})
};

fetch('https://api.plansync.dev/api/v1/projects/{projectId}/proposals', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.plansync.dev/api/v1/projects/{projectId}/proposals"

payload = {
    "title": "<string>",
    "validUntil": "2023-11-07T05:31:56Z"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": "<string>",
  "projectId": "<string>",
  "title": "<string>",
  "status": "<string>",
  "total": "<string>"
}