curl --request GET \
  --url https://app.yampi.ai/api/v1/accounts/{account_id}/treasury/third_parties/options \
  --header 'api_access_token: <api-key>'

const options = {method: 'GET', headers: {api_access_token: '<api-key>'}};

fetch('https://app.yampi.ai/api/v1/accounts/{account_id}/treasury/third_parties/options', 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}/treasury/third_parties/options"

headers = {"api_access_token": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "payload": {
    "properties": [
      {
        "id": 123,
        "address": "<string>",
        "owners": [
          {
            "contact_id": 123,
            "name": "<string>",
            "ownership_percentage": 123
          }
        ]
      }
    ],
    "tenancies": [
      {
        "id": 123,
        "subscription_id": 123,
        "property_id": 123,
        "opportunity_id": 123
      }
    ]
  }
}