curl --request POST \
  --url https://api.example.com/{version}/checkouts/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "mode": "<string>",
  "source_kind": "<string>",
  "party_phone": "<string>",
  "currency": "<string>",
  "items": [
    {
      "name": "<string>",
      "currency": "<string>",
      "amount": 1.01
    }
  ],
  "party_name": "<string>",
  "party_email": "<string>",
  "party_relationship": "<string>",
  "reference_id": "<string>",
  "note": "<string>",
  "due_date": "2023-11-07T05:31:56Z",
  "success_url": "<string>",
  "cancel_url": "<string>",
  "expires_at": "2023-11-07T05:31:56Z",
  "counterparty_id": 123
}
'

import requests

url = "https://api.example.com/{version}/checkouts/create"

payload = {
    "mode": "<string>",
    "source_kind": "<string>",
    "party_phone": "<string>",
    "currency": "<string>",
    "items": [
        {
            "name": "<string>",
            "currency": "<string>",
            "amount": 1.01
        }
    ],
    "party_name": "<string>",
    "party_email": "<string>",
    "party_relationship": "<string>",
    "reference_id": "<string>",
    "note": "<string>",
    "due_date": "2023-11-07T05:31:56Z",
    "success_url": "<string>",
    "cancel_url": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "counterparty_id": 123
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    mode: '<string>',
    source_kind: '<string>',
    party_phone: '<string>',
    currency: '<string>',
    items: [{name: '<string>', currency: '<string>', amount: 1.01}],
    party_name: '<string>',
    party_email: '<string>',
    party_relationship: '<string>',
    reference_id: '<string>',
    note: '<string>',
    due_date: '2023-11-07T05:31:56Z',
    success_url: '<string>',
    cancel_url: '<string>',
    expires_at: '2023-11-07T05:31:56Z',
    counterparty_id: 123
  })
};

fetch('https://api.example.com/{version}/checkouts/create', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/{version}/checkouts/create",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'mode' => '<string>',
    'source_kind' => '<string>',
    'party_phone' => '<string>',
    'currency' => '<string>',
    'items' => [
        [
                'name' => '<string>',
                'currency' => '<string>',
                'amount' => 1.01
        ]
    ],
    'party_name' => '<string>',
    'party_email' => '<string>',
    'party_relationship' => '<string>',
    'reference_id' => '<string>',
    'note' => '<string>',
    'due_date' => '2023-11-07T05:31:56Z',
    'success_url' => '<string>',
    'cancel_url' => '<string>',
    'expires_at' => '2023-11-07T05:31:56Z',
    'counterparty_id' => 123
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "mode": "<string>",
  "source_type": "<string>",
  "source_id": 123,
  "source_number": "<string>",
  "source_status": "<string>",
  "counterparty_id": 123,
  "party_id": 123,
  "currency": "<string>",
  "total_amount": 123,
  "source_checkout_config_id": 123,
  "url": "<string>",
  "reference_id": "<string>",
  "due_date": "2023-11-07T05:31:56Z",
  "expires_at": "2023-11-07T05:31:56Z",
  "hosted_path_or_token": "<string>",
  "success_url": "<string>",
  "cancel_url": "<string>"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}