curl --request POST \
  --url https://api.peel.sh/oauth/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --header 'Key: <api-key>'

const options = {
  method: 'POST',
  headers: {Key: '<api-key>', 'Content-Type': 'application/x-www-form-urlencoded'},
  body: new URLSearchParams({})
};

fetch('https://api.peel.sh/oauth/token', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.peel.sh/oauth/token"

payload = {}
headers = {
    "Key": "<api-key>",
    "Content-Type": "application/x-www-form-urlencoded"
}

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

print(response.text)

{}

{
  "error": "<string>"
}