curl --request PUT \
  --url https://api.zerocash.tech/api/b2b/external-accounts/{externalAccountId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "country": "<string>",
  "currency": "<string>",
  "destination": "<string>",
  "payoutMethod": {
    "accountName": "<string>",
    "accountNumber": "<string>",
    "code": "<string>",
    "branchCode": "<string>"
  }
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    country: '<string>',
    currency: '<string>',
    destination: '<string>',
    payoutMethod: {
      accountName: '<string>',
      accountNumber: '<string>',
      code: '<string>',
      branchCode: '<string>'
    }
  })
};

fetch('https://api.zerocash.tech/api/b2b/external-accounts/{externalAccountId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.zerocash.tech/api/b2b/external-accounts/{externalAccountId}"

payload = {
    "country": "<string>",
    "currency": "<string>",
    "destination": "<string>",
    "payoutMethod": {
        "accountName": "<string>",
        "accountNumber": "<string>",
        "code": "<string>",
        "branchCode": "<string>"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.zerocash.tech/api/b2b/external-accounts/{externalAccountId}",
  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([
    'country' => '<string>',
    'currency' => '<string>',
    'destination' => '<string>',
    'payoutMethod' => [
        'accountName' => '<string>',
        'accountNumber' => '<string>',
        'code' => '<string>',
        'branchCode' => '<string>'
    ]
  ]),
  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://api.zerocash.tech/api/b2b/external-accounts/{externalAccountId}"

	payload := strings.NewReader("{\n  \"country\": \"<string>\",\n  \"currency\": \"<string>\",\n  \"destination\": \"<string>\",\n  \"payoutMethod\": {\n    \"accountName\": \"<string>\",\n    \"accountNumber\": \"<string>\",\n    \"code\": \"<string>\",\n    \"branchCode\": \"<string>\"\n  }\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))

}

{
  "success": true,
  "message": "External account updated successfully"
}

{}