curl --request PUT \
  --url https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "external_id": "ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK",
  "mask": "4321",
  "account_name": "My custom account",
  "institution_name": "My custom account institution",
  "account_type": "DEPOSITORY",
  "account_subtype": "checking"
}
'

import requests

url = "https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}"

payload = {
    "external_id": "ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK",
    "mask": "4321",
    "account_name": "My custom account",
    "institution_name": "My custom account institution",
    "account_type": "DEPOSITORY",
    "account_subtype": "checking"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    external_id: 'ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK',
    mask: '4321',
    account_name: 'My custom account',
    institution_name: 'My custom account institution',
    account_type: 'DEPOSITORY',
    account_subtype: 'checking'
  })
};

fetch('https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}', 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.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'external_id' => 'ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK',
    'mask' => '4321',
    'account_name' => 'My custom account',
    'institution_name' => 'My custom account institution',
    'account_type' => 'DEPOSITORY',
    'account_subtype' => 'checking'
  ]),
  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;
}

package main

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

func main() {

	url := "https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}"

	payload := strings.NewReader("{\n  \"external_id\": \"ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK\",\n  \"mask\": \"4321\",\n  \"account_name\": \"My custom account\",\n  \"institution_name\": \"My custom account institution\",\n  \"account_type\": \"DEPOSITORY\",\n  \"account_subtype\": \"checking\"\n}")

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

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"external_id\": \"ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK\",\n  \"mask\": \"4321\",\n  \"account_name\": \"My custom account\",\n  \"institution_name\": \"My custom account institution\",\n  \"account_type\": \"DEPOSITORY\",\n  \"account_subtype\": \"checking\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.layerfi.com/v1/businesses/{businessId}/custom-accounts/{customAccountId}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"external_id\": \"ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK\",\n  \"mask\": \"4321\",\n  \"account_name\": \"My custom account\",\n  \"institution_name\": \"My custom account institution\",\n  \"account_type\": \"DEPOSITORY\",\n  \"account_subtype\": \"checking\"\n}"

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

{
  "data": {
    "type": "Custom_Account",
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "external_id": "ww9wwLgkrbU3jkg3J4J7ckBR3zKQV6sLPQevK",
    "mask": "4321",
    "account_name": "My custom account",
    "institution_name": "My custom account institution",
    "account_type": "DEPOSITORY",
    "account_subtype": "checking",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "archived_at": "2023-11-07T05:31:56Z",
    "ledger_account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "description": "<string>",
  "meta": {}
}