curl --request POST \
  --url https://test-api.sandbox.co.in/kyc/entitylocker/sessions/init \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "@entity": "in.co.sandbox.kyc.entitylocker.session.request",
  "flow": "signin",
  "redirect_url": "https://sandbox.co.in/",
  "consent_expiry": 1765887697411
}
'

import requests

url = "https://test-api.sandbox.co.in/kyc/entitylocker/sessions/init"

payload = {
    "@entity": "in.co.sandbox.kyc.entitylocker.session.request",
    "flow": "signin",
    "redirect_url": "https://sandbox.co.in/",
    "consent_expiry": 1765887697411
}
headers = {
    "Authorization": "<authorization>",
    "x-api-key": "<x-api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: '<authorization>',
    'x-api-key': '<x-api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    '@entity': 'in.co.sandbox.kyc.entitylocker.session.request',
    flow: 'signin',
    redirect_url: 'https://sandbox.co.in/',
    consent_expiry: 1765887697411
  })
};

fetch('https://test-api.sandbox.co.in/kyc/entitylocker/sessions/init', 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://test-api.sandbox.co.in/kyc/entitylocker/sessions/init",
  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([
    '@entity' => 'in.co.sandbox.kyc.entitylocker.session.request',
    'flow' => 'signin',
    'redirect_url' => 'https://sandbox.co.in/',
    'consent_expiry' => 1765887697411
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "Content-Type: application/json",
    "x-api-key: <x-api-key>"
  ],
]);

$response = curl_exec($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://test-api.sandbox.co.in/kyc/entitylocker/sessions/init"

	payload := strings.NewReader("{\n  \"@entity\": \"in.co.sandbox.kyc.entitylocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://sandbox.co.in/\",\n  \"consent_expiry\": 1765887697411\n}")

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

	req.Header.Add("Authorization", "<authorization>")
	req.Header.Add("x-api-key", "<x-api-key>")
	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://test-api.sandbox.co.in/kyc/entitylocker/sessions/init")
  .header("Authorization", "<authorization>")
  .header("x-api-key", "<x-api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"@entity\": \"in.co.sandbox.kyc.entitylocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://sandbox.co.in/\",\n  \"consent_expiry\": 1765887697411\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://test-api.sandbox.co.in/kyc/entitylocker/sessions/init")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
request["x-api-key"] = '<x-api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"@entity\": \"in.co.sandbox.kyc.entitylocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://sandbox.co.in/\",\n  \"consent_expiry\": 1765887697411\n}"

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

{
  "code": 200,
  "timestamp": 1765534184274,
  "data": {
    "@entity": "in.co.sandbox.kyc.entitylocker.session.response",
    "authorization_url": "https://entity.digilocker.gov.in/public/oauth2/1/authorize?response_type=code&client_id=VRF23C1E3B&redirect_uri=https%3A%2F%2Fdev-api.sandbox.co.in%2Fcallbacks%2Fkyc%2Fentitylocker%2Foauth&state=ZDgyMDM0NzItMTFiMC00ZGRhLWFlOWItY2U0YzI0OTRmMWRkfGQzZjg4OTdlLWYxZmYtNDQ0OS05NzA0LTcwNzNmNjkzMDI5NnxodHRwczovL3NhbmRib3guY28uaW4v&code_challenge=yxAtiqiBw2FrXmavMHn7bVnq7nW-sWRNI50JTMuYtAE&code_challenge_method=S256&consent_valid_till=1767205777",
    "session_id": "d3f8897e-f1ff-4449-9704-7073f6930296"
  },
  "transaction_id": "02683ff9-2abc-42ab-a050-945f21068bce"
}