curl --request DELETE \
  --url https://api.glassmarkets.io/v2/organizations/rfq/proposals/{proposal_id}/ \
  --header 'Authorization: <api-key>'

import requests

url = "https://api.glassmarkets.io/v2/organizations/rfq/proposals/{proposal_id}/"

headers = {"Authorization": "<api-key>"}

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

print(response.text)

const options = {method: 'DELETE', headers: {Authorization: '<api-key>'}};

fetch('https://api.glassmarkets.io/v2/organizations/rfq/proposals/{proposal_id}/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));