curl --request POST \
  --url https://signsealship.com/api/partner/webhooks \
  --header 'Content-Type: application/json' \
  --cookie __Host-session= \
  --data '
{
  "url": "https://example.com/hooks/signsealship",
  "topics": [
    "room.order_attached",
    "room.passport_sealed"
  ]
}
'

const options = {
  method: 'POST',
  headers: {cookie: '__Host-session=', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    url: 'https://example.com/hooks/signsealship',
    topics: ['room.order_attached', 'room.passport_sealed']
  })
};

fetch('https://signsealship.com/api/partner/webhooks', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://signsealship.com/api/partner/webhooks"

payload = {
    "url": "https://example.com/hooks/signsealship",
    "topics": ["room.order_attached", "room.passport_sealed"]
}
headers = {
    "cookie": "__Host-session=",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "secret": "<string>",
  "url": "<string>",
  "topics": [
    "<string>"
  ],
  "signatureHeader": "SignSealShip-Signature"
}

{
  "error": "<string>"
}