curl --request POST \
  --url https://{organization}.rescueconsole.com/api/animals/contracts/{id}/void \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reason": "Signed on the wrong adoption."
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({reason: 'Signed on the wrong adoption.'})
};

fetch('https://{organization}.rescueconsole.com/api/animals/contracts/{id}/void', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{organization}.rescueconsole.com/api/animals/contracts/{id}/void"

payload = { "reason": "Signed on the wrong adoption." }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "signature": {
    "id": "<string>",
    "contract_name": "<string>",
    "contract_version": "<string>",
    "signer_name": "<string>",
    "signed_at": "2023-11-07T05:31:56Z",
    "entity_type": "adoption",
    "entity_id": "<string>",
    "is_voided": true,
    "template_id": "<string>",
    "contract_body": "<string>",
    "contract_body_blocks": [
      {
        "type": "p",
        "runs": [
          {
            "text": "<string>",
            "bold": true,
            "italic": true,
            "underline": true,
            "strike": true,
            "href": "<string>"
          }
        ],
        "items": [
          [
            {
              "text": "<string>",
              "bold": true,
              "italic": true,
              "underline": true,
              "strike": true,
              "href": "<string>"
            }
          ]
        ],
        "level": 1,
        "rows": [
          [
            [
              {
                "text": "<string>",
                "bold": true,
                "italic": true,
                "underline": true,
                "strike": true,
                "href": "<string>"
              }
            ]
          ]
        ],
        "src": "<string>",
        "alt": "<string>"
      }
    ],
    "signer_person_id": "<string>",
    "signer_email": "<string>",
    "consent_acknowledged": true,
    "recorded_by_person_id": "<string>",
    "media_release": 1,
    "application_id": "<string>",
    "adoption_ids": [
      "<string>"
    ],
    "approved_by_person_id": "<string>",
    "approved_by_name": "<string>",
    "completed_where_kind": "location",
    "completed_where_id": "<string>",
    "completed_where_label": "<string>",
    "payment_method": "<string>",
    "payment_instructions": "<string>",
    "voided_at": "2023-11-07T05:31:56Z",
    "voided_by_person_id": "<string>",
    "void_reason": "<string>"
  }
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}

{
  "error": "house_trained must be 1, 0 or null (not assessed)"
}