curl --request POST \
  --url https://sandbox.hurdlr.com/rest/v5/expenses/expenses \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: */*' \
  --data '
{
  "expenses": [
    {
      "amount": 50.01,
      "bankAccountId": 123,
      "id": 123,
      "date": "2022-01-04T10:20:00Z",
      "salesTaxAmount": 1.01,
      "description": "Gas purchase",
      "vendorId": 123,
      "vendorName": "United Airlines",
      "businessId": 123,
      "clientId": 123,
      "clientName": "<string>",
      "categoryId": 123,
      "personalCategoryId": 123,
      "frequency": "ONE_TIME",
      "isParent": true,
      "apiExpenseId": "<string>",
      "billId": 123,
      "childExpenses": [
        {
          "type": "BUSINESS",
          "amount": 50.01,
          "status": "ACTIVE",
          "id": 123,
          "businessId": 123,
          "clientId": 123,
          "categoryId": 123,
          "personalCategoryId": 123,
          "description": "Gas purchase",
          "salesTaxAmount": 1.01,
          "state": "DC",
          "vendorId": 123,
          "billId": {}
        }
      ],
      "customData": {},
      "bankTransferId": 123,
      "revenueId": 123,
      "taxPaymentId": 123,
      "v6EntityId": "<string>"
    }
  ]
}
'

import requests

url = "https://sandbox.hurdlr.com/rest/v5/expenses/expenses"

payload = { "expenses": [
        {
            "amount": 50.01,
            "bankAccountId": 123,
            "id": 123,
            "date": "2022-01-04T10:20:00Z",
            "salesTaxAmount": 1.01,
            "description": "Gas purchase",
            "vendorId": 123,
            "vendorName": "United Airlines",
            "businessId": 123,
            "clientId": 123,
            "clientName": "<string>",
            "categoryId": 123,
            "personalCategoryId": 123,
            "frequency": "ONE_TIME",
            "isParent": True,
            "apiExpenseId": "<string>",
            "billId": 123,
            "childExpenses": [
                {
                    "type": "BUSINESS",
                    "amount": 50.01,
                    "status": "ACTIVE",
                    "id": 123,
                    "businessId": 123,
                    "clientId": 123,
                    "categoryId": 123,
                    "personalCategoryId": 123,
                    "description": "Gas purchase",
                    "salesTaxAmount": 1.01,
                    "state": "DC",
                    "vendorId": 123,
                    "billId": {}
                }
            ],
            "customData": {},
            "bankTransferId": 123,
            "revenueId": 123,
            "taxPaymentId": 123,
            "v6EntityId": "<string>"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "*/*"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': '*/*'},
  body: JSON.stringify({
    expenses: [
      {
        amount: 50.01,
        bankAccountId: 123,
        id: 123,
        date: '2022-01-04T10:20:00Z',
        salesTaxAmount: 1.01,
        description: 'Gas purchase',
        vendorId: 123,
        vendorName: 'United Airlines',
        businessId: 123,
        clientId: 123,
        clientName: '<string>',
        categoryId: 123,
        personalCategoryId: 123,
        frequency: 'ONE_TIME',
        isParent: true,
        apiExpenseId: '<string>',
        billId: 123,
        childExpenses: [
          {
            type: 'BUSINESS',
            amount: 50.01,
            status: 'ACTIVE',
            id: 123,
            businessId: 123,
            clientId: 123,
            categoryId: 123,
            personalCategoryId: 123,
            description: 'Gas purchase',
            salesTaxAmount: 1.01,
            state: 'DC',
            vendorId: 123,
            billId: {}
          }
        ],
        customData: {},
        bankTransferId: 123,
        revenueId: 123,
        taxPaymentId: 123,
        v6EntityId: '<string>'
      }
    ]
  })
};

fetch('https://sandbox.hurdlr.com/rest/v5/expenses/expenses', 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://sandbox.hurdlr.com/rest/v5/expenses/expenses",
  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([
    'expenses' => [
        [
                'amount' => 50.01,
                'bankAccountId' => 123,
                'id' => 123,
                'date' => '2022-01-04T10:20:00Z',
                'salesTaxAmount' => 1.01,
                'description' => 'Gas purchase',
                'vendorId' => 123,
                'vendorName' => 'United Airlines',
                'businessId' => 123,
                'clientId' => 123,
                'clientName' => '<string>',
                'categoryId' => 123,
                'personalCategoryId' => 123,
                'frequency' => 'ONE_TIME',
                'isParent' => true,
                'apiExpenseId' => '<string>',
                'billId' => 123,
                'childExpenses' => [
                                [
                                                                'type' => 'BUSINESS',
                                                                'amount' => 50.01,
                                                                'status' => 'ACTIVE',
                                                                'id' => 123,
                                                                'businessId' => 123,
                                                                'clientId' => 123,
                                                                'categoryId' => 123,
                                                                'personalCategoryId' => 123,
                                                                'description' => 'Gas purchase',
                                                                'salesTaxAmount' => 1.01,
                                                                'state' => 'DC',
                                                                'vendorId' => 123,
                                                                'billId' => [
                                                                                                                                
                                                                ]
                                ]
                ],
                'customData' => [
                                
                ],
                'bankTransferId' => 123,
                'revenueId' => 123,
                'taxPaymentId' => 123,
                'v6EntityId' => '<string>'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: */*"
  ],
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://sandbox.hurdlr.com/rest/v5/expenses/expenses"

	payload := strings.NewReader("{\n  \"expenses\": [\n    {\n      \"amount\": 50.01,\n      \"bankAccountId\": 123,\n      \"id\": 123,\n      \"date\": \"2022-01-04T10:20:00Z\",\n      \"salesTaxAmount\": 1.01,\n      \"description\": \"Gas purchase\",\n      \"vendorId\": 123,\n      \"vendorName\": \"United Airlines\",\n      \"businessId\": 123,\n      \"clientId\": 123,\n      \"clientName\": \"<string>\",\n      \"categoryId\": 123,\n      \"personalCategoryId\": 123,\n      \"frequency\": \"ONE_TIME\",\n      \"isParent\": true,\n      \"apiExpenseId\": \"<string>\",\n      \"billId\": 123,\n      \"childExpenses\": [\n        {\n          \"type\": \"BUSINESS\",\n          \"amount\": 50.01,\n          \"status\": \"ACTIVE\",\n          \"id\": 123,\n          \"businessId\": 123,\n          \"clientId\": 123,\n          \"categoryId\": 123,\n          \"personalCategoryId\": 123,\n          \"description\": \"Gas purchase\",\n          \"salesTaxAmount\": 1.01,\n          \"state\": \"DC\",\n          \"vendorId\": 123,\n          \"billId\": {}\n        }\n      ],\n      \"customData\": {},\n      \"bankTransferId\": 123,\n      \"revenueId\": 123,\n      \"taxPaymentId\": 123,\n      \"v6EntityId\": \"<string>\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "*/*")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://sandbox.hurdlr.com/rest/v5/expenses/expenses")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "*/*")
  .body("{\n  \"expenses\": [\n    {\n      \"amount\": 50.01,\n      \"bankAccountId\": 123,\n      \"id\": 123,\n      \"date\": \"2022-01-04T10:20:00Z\",\n      \"salesTaxAmount\": 1.01,\n      \"description\": \"Gas purchase\",\n      \"vendorId\": 123,\n      \"vendorName\": \"United Airlines\",\n      \"businessId\": 123,\n      \"clientId\": 123,\n      \"clientName\": \"<string>\",\n      \"categoryId\": 123,\n      \"personalCategoryId\": 123,\n      \"frequency\": \"ONE_TIME\",\n      \"isParent\": true,\n      \"apiExpenseId\": \"<string>\",\n      \"billId\": 123,\n      \"childExpenses\": [\n        {\n          \"type\": \"BUSINESS\",\n          \"amount\": 50.01,\n          \"status\": \"ACTIVE\",\n          \"id\": 123,\n          \"businessId\": 123,\n          \"clientId\": 123,\n          \"categoryId\": 123,\n          \"personalCategoryId\": 123,\n          \"description\": \"Gas purchase\",\n          \"salesTaxAmount\": 1.01,\n          \"state\": \"DC\",\n          \"vendorId\": 123,\n          \"billId\": {}\n        }\n      ],\n      \"customData\": {},\n      \"bankTransferId\": 123,\n      \"revenueId\": 123,\n      \"taxPaymentId\": 123,\n      \"v6EntityId\": \"<string>\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.hurdlr.com/rest/v5/expenses/expenses")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = '*/*'
request.body = "{\n  \"expenses\": [\n    {\n      \"amount\": 50.01,\n      \"bankAccountId\": 123,\n      \"id\": 123,\n      \"date\": \"2022-01-04T10:20:00Z\",\n      \"salesTaxAmount\": 1.01,\n      \"description\": \"Gas purchase\",\n      \"vendorId\": 123,\n      \"vendorName\": \"United Airlines\",\n      \"businessId\": 123,\n      \"clientId\": 123,\n      \"clientName\": \"<string>\",\n      \"categoryId\": 123,\n      \"personalCategoryId\": 123,\n      \"frequency\": \"ONE_TIME\",\n      \"isParent\": true,\n      \"apiExpenseId\": \"<string>\",\n      \"billId\": 123,\n      \"childExpenses\": [\n        {\n          \"type\": \"BUSINESS\",\n          \"amount\": 50.01,\n          \"status\": \"ACTIVE\",\n          \"id\": 123,\n          \"businessId\": 123,\n          \"clientId\": 123,\n          \"categoryId\": 123,\n          \"personalCategoryId\": 123,\n          \"description\": \"Gas purchase\",\n          \"salesTaxAmount\": 1.01,\n          \"state\": \"DC\",\n          \"vendorId\": 123,\n          \"billId\": {}\n        }\n      ],\n      \"customData\": {},\n      \"bankTransferId\": 123,\n      \"revenueId\": 123,\n      \"taxPaymentId\": 123,\n      \"v6EntityId\": \"<string>\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

[
  {
    "errors": {
      "fieldErrors": {},
      "globalErrors": [
        {
          "errorMessage": "<string>"
        }
      ]
    },
    "id": "<string>",
    "webhook": {
      "userId": "<string>",
      "accountantUserId": "<string>"
    }
  }
]