curl --request PATCH \
  --url https://app.yampi.ai/api/v1/accounts/{account_id}/contract_submissions/{id} \
  --header 'Content-Type: application/json' \
  --header 'api_access_token: <api-key>' \
  --data '
{
  "contract_submission": {
    "property_id": 123,
    "requirement_id": 123
  }
}
'

const options = {
  method: 'PATCH',
  headers: {api_access_token: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({contract_submission: {property_id: 123, requirement_id: 123}})
};

fetch('https://app.yampi.ai/api/v1/accounts/{account_id}/contract_submissions/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.yampi.ai/api/v1/accounts/{account_id}/contract_submissions/{id}"

payload = { "contract_submission": {
        "property_id": 123,
        "requirement_id": 123
    } }
headers = {
    "api_access_token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "id": 123,
  "status": "draft",
  "template_name": "<string>",
  "document_filename": "<string>",
  "submitters_order": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "labels": [
    {}
  ],
  "contract_template": {
    "id": 123,
    "name": "<string>",
    "slug": "<string>",
    "status": "<string>",
    "fields": [
      {}
    ],
    "schema": {},
    "submitters": [
      {}
    ],
    "preferences": {
      "manual_variables": [
        {
          "key": "<string>",
          "label": "<string>",
          "type": "text"
        }
      ]
    },
    "labels": [
      "<string>"
    ],
    "manual_variables_required": [
      "<string>"
    ],
    "documents": [
      {
        "id": 123,
        "uuid": "<string>",
        "filename": "<string>",
        "content_type": "<string>",
        "signed_uuid": "<string>"
      }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "contract_submitters": [
    {
      "id": 123,
      "name": "<string>",
      "email": "<string>",
      "status": "pending",
      "signing_order": 123,
      "role": "<string>",
      "slug": "<string>",
      "contact": {
        "id": 123,
        "name": "<string>",
        "email": "<string>",
        "avatar_url": "<string>"
      }
    }
  ]
}