curl --request POST \
  --url https://app.yampi.ai/api/v1/accounts/{account_id}/contract_submissions/{id}/send_invitations \
  --header 'Content-Type: application/json' \
  --header 'api_access_token: <api-key>' \
  --data '
{
  "channels": [],
  "message_config": {}
}
'

const options = {
  method: 'POST',
  headers: {api_access_token: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({channels: [], message_config: {}})
};

fetch('https://app.yampi.ai/api/v1/accounts/{account_id}/contract_submissions/{id}/send_invitations', 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}/send_invitations"

payload = {
    "channels": [],
    "message_config": {}
}
headers = {
    "api_access_token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "message": "<string>",
  "submission": {
    "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": {},
      "labels": [
        "<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>"
        }
      }
    ]
  }
}