curl --request POST \
  --url https://{your-subdomain}.neetocal.com/api/external/v1/bookings/{booking_sid}/reject \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "rejection_reason": "Time slot no longer available"
}
'

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({rejection_reason: 'Time slot no longer available'})
};

fetch('https://{your-subdomain}.neetocal.com/api/external/v1/bookings/{booking_sid}/reject', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{your-subdomain}.neetocal.com/api/external/v1/bookings/{booking_sid}/reject"

payload = { "rejection_reason": "Time slot no longer available" }
headers = {
    "X-Api-Key": "<x-api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "message": "Booking rejected successfully"
}