curl --request POST \
  --url https://sandbox.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id} \
  --header 'Content-Type: application/json' \
  --header 'x-api-version: <x-api-version>' \
  --data '
{
  "otp": "111000",
  "action": "SUBMIT_OTP"
}
'

import requests

url = "https://sandbox.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}"

payload = {
    "otp": "111000",
    "action": "SUBMIT_OTP"
}
headers = {
    "x-api-version": "<x-api-version>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-version': '<x-api-version>', 'Content-Type': 'application/json'},
  body: JSON.stringify({otp: '111000', action: 'SUBMIT_OTP'})
};

fetch('https://sandbox.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}', 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.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}",
  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([
    'otp' => '111000',
    'action' => 'SUBMIT_OTP'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-version: <x-api-version>"
  ],
]);

$response = curl_exec($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.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}"

	payload := strings.NewReader("{\n  \"otp\": \"111000\",\n  \"action\": \"SUBMIT_OTP\"\n}")

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

	req.Header.Add("x-api-version", "<x-api-version>")
	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.post("https://sandbox.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}")
  .header("x-api-version", "<x-api-version>")
  .header("Content-Type", "application/json")
  .body("{\n  \"otp\": \"111000\",\n  \"action\": \"SUBMIT_OTP\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.cashfree.com/pg/orders/pay/authenticate/{cf_payment_id}")

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

request = Net::HTTP::Post.new(url)
request["x-api-version"] = '<x-api-version>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"otp\": \"111000\",\n  \"action\": \"SUBMIT_OTP\"\n}"

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

{
  "cf_payment_id": 975654863,
  "authenticate_status": "FAILED",
  "action": "SUBMIT_OTP",
  "payment_message": "otp is invalid"
}

{
  "message": "bad URL, please check API documentation",
  "code": "request_failed",
  "type": "invalid_request_error"
}

{
  "message": "authentication Failed",
  "code": "request_failed",
  "type": "authentication_error"
}

{
  "message": "something is not found",
  "code": "somethind_not_found",
  "type": "invalid_request_error"
}

{
  "message": "order with same id is already present",
  "code": "order_already_exists",
  "type": "invalid_request_error"
}

{
  "message": "something is not found",
  "code": "request_invalid",
  "type": "idempotency_error"
}

{
  "message": "Too many requests from IP. Check headers",
  "code": "request_failed",
  "type": "rate_limit_error"
}

{
  "message": "internal Server Error",
  "code": "internal_error",
  "type": "api_error"
}

{
  "message": "something is not found",
  "code": "bank_processing_failure",
  "type": "api_error"
}