curl --request POST \
  --url https://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "bulkValidationId": "A45",
  "entries": [
    {
      "name": "John Doe",
      "bankAccount": 11020001770,
      "ifsc": "HDFC0000001",
      "phone": 9999912345
    }
  ]
}
'

import requests

url = "https://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails"

payload = {
    "bulkValidationId": "A45",
    "entries": [
        {
            "name": "John Doe",
            "bankAccount": 11020001770,
            "ifsc": "HDFC0000001",
            "phone": 9999912345
        }
    ]
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "<content-type>"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<authorization>', 'Content-Type': '<content-type>'},
  body: JSON.stringify({
    bulkValidationId: 'A45',
    entries: [
      {
        name: 'John Doe',
        bankAccount: 11020001770,
        ifsc: 'HDFC0000001',
        phone: 9999912345
      }
    ]
  })
};

fetch('https://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails', 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://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails",
  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([
    'bulkValidationId' => 'A45',
    'entries' => [
        [
                'name' => 'John Doe',
                'bankAccount' => 11020001770,
                'ifsc' => 'HDFC0000001',
                'phone' => 9999912345
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "Content-Type: <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://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails"

	payload := strings.NewReader("{\n  \"bulkValidationId\": \"A45\",\n  \"entries\": [\n    {\n      \"name\": \"John Doe\",\n      \"bankAccount\": 11020001770,\n      \"ifsc\": \"HDFC0000001\",\n      \"phone\": 9999912345\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "<authorization>")
	req.Header.Add("Content-Type", "<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://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "<content-type>")
  .body("{\n  \"bulkValidationId\": \"A45\",\n  \"entries\": [\n    {\n      \"name\": \"John Doe\",\n      \"bankAccount\": 11020001770,\n      \"ifsc\": \"HDFC0000001\",\n      \"phone\": 9999912345\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://payout-api.cashfree.com/payout/v1/bulkValidation/bankDetails")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = '<content-type>'
request.body = "{\n  \"bulkValidationId\": \"A45\",\n  \"entries\": [\n    {\n      \"name\": \"John Doe\",\n      \"bankAccount\": 11020001770,\n      \"ifsc\": \"HDFC0000001\",\n      \"phone\": 9999912345\n    }\n  ]\n}"

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

{
  "status": "SUCCESSS",
  "subCode": 200,
  "message": "Bulk Validation requested successfully.",
  "data": {
    "bulkValidationId": "testid1"
  }
}

{
  "status": "ERROR",
  "subCode": 409,
  "message": "Bulk Validation Id already exists"
}