curl --request POST \
  --url https://sandbox.hurdlr.com/rest/v5/banks/accounts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: */*' \
  --data '
{
  "accounts": [
    {
      "id": 123,
      "apiAccountId": "<string>",
      "apiAccountName": "Citi Premier® Card",
      "apiAccountNo": "<string>",
      "apiInstitutionId": "<string>",
      "apiAccountType": "CREDIT",
      "glAccountId": 123,
      "defaultClientId": 123,
      "defaultBusinessId": 123,
      "tranStartDate": "2023-11-07T05:31:56Z",
      "billingCycleStartDay": 16,
      "scheduleClosings": true,
      "syncTransactions": true,
      "duplicateBankAccountIds": [
        123
      ]
    }
  ]
}
'

import requests

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

payload = { "accounts": [
        {
            "id": 123,
            "apiAccountId": "<string>",
            "apiAccountName": "Citi Premier® Card",
            "apiAccountNo": "<string>",
            "apiInstitutionId": "<string>",
            "apiAccountType": "CREDIT",
            "glAccountId": 123,
            "defaultClientId": 123,
            "defaultBusinessId": 123,
            "tranStartDate": "2023-11-07T05:31:56Z",
            "billingCycleStartDay": 16,
            "scheduleClosings": True,
            "syncTransactions": True,
            "duplicateBankAccountIds": [123]
        }
    ] }
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({
    accounts: [
      {
        id: 123,
        apiAccountId: '<string>',
        apiAccountName: 'Citi Premier® Card',
        apiAccountNo: '<string>',
        apiInstitutionId: '<string>',
        apiAccountType: 'CREDIT',
        glAccountId: 123,
        defaultClientId: 123,
        defaultBusinessId: 123,
        tranStartDate: '2023-11-07T05:31:56Z',
        billingCycleStartDay: 16,
        scheduleClosings: true,
        syncTransactions: true,
        duplicateBankAccountIds: [123]
      }
    ]
  })
};

fetch('https://sandbox.hurdlr.com/rest/v5/banks/accounts', 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/banks/accounts",
  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([
    'accounts' => [
        [
                'id' => 123,
                'apiAccountId' => '<string>',
                'apiAccountName' => 'Citi Premier® Card',
                'apiAccountNo' => '<string>',
                'apiInstitutionId' => '<string>',
                'apiAccountType' => 'CREDIT',
                'glAccountId' => 123,
                'defaultClientId' => 123,
                'defaultBusinessId' => 123,
                'tranStartDate' => '2023-11-07T05:31:56Z',
                'billingCycleStartDay' => 16,
                'scheduleClosings' => true,
                'syncTransactions' => true,
                'duplicateBankAccountIds' => [
                                123
                ]
        ]
    ]
  ]),
  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/banks/accounts"

	payload := strings.NewReader("{\n  \"accounts\": [\n    {\n      \"id\": 123,\n      \"apiAccountId\": \"<string>\",\n      \"apiAccountName\": \"Citi Premier® Card\",\n      \"apiAccountNo\": \"<string>\",\n      \"apiInstitutionId\": \"<string>\",\n      \"apiAccountType\": \"CREDIT\",\n      \"glAccountId\": 123,\n      \"defaultClientId\": 123,\n      \"defaultBusinessId\": 123,\n      \"tranStartDate\": \"2023-11-07T05:31:56Z\",\n      \"billingCycleStartDay\": 16,\n      \"scheduleClosings\": true,\n      \"syncTransactions\": true,\n      \"duplicateBankAccountIds\": [\n        123\n      ]\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/banks/accounts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "*/*")
  .body("{\n  \"accounts\": [\n    {\n      \"id\": 123,\n      \"apiAccountId\": \"<string>\",\n      \"apiAccountName\": \"Citi Premier® Card\",\n      \"apiAccountNo\": \"<string>\",\n      \"apiInstitutionId\": \"<string>\",\n      \"apiAccountType\": \"CREDIT\",\n      \"glAccountId\": 123,\n      \"defaultClientId\": 123,\n      \"defaultBusinessId\": 123,\n      \"tranStartDate\": \"2023-11-07T05:31:56Z\",\n      \"billingCycleStartDay\": 16,\n      \"scheduleClosings\": true,\n      \"syncTransactions\": true,\n      \"duplicateBankAccountIds\": [\n        123\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"accounts\": [\n    {\n      \"id\": 123,\n      \"apiAccountId\": \"<string>\",\n      \"apiAccountName\": \"Citi Premier® Card\",\n      \"apiAccountNo\": \"<string>\",\n      \"apiInstitutionId\": \"<string>\",\n      \"apiAccountType\": \"CREDIT\",\n      \"glAccountId\": 123,\n      \"defaultClientId\": 123,\n      \"defaultBusinessId\": 123,\n      \"tranStartDate\": \"2023-11-07T05:31:56Z\",\n      \"billingCycleStartDay\": 16,\n      \"scheduleClosings\": true,\n      \"syncTransactions\": true,\n      \"duplicateBankAccountIds\": [\n        123\n      ]\n    }\n  ]\n}"

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

{
  "response": {}
}