curl --request POST \
  --url https://test-api.sandbox.co.in/kyc/digilocker/sessions/init \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "@entity": "in.co.sandbox.kyc.digilocker.session.request",
  "flow": "signin",
  "redirect_url": "https://developer.sandbox.co.in/",
  "doc_types": [
    "aadhaar"
  ],
  "options": {
    "verification_method": [
      "aadhaar"
    ],
    "pinless": true,
    "usernameless": true,
    "verified_mobile": "9687205427"
  }
}
'

import requests

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

payload = {
    "@entity": "in.co.sandbox.kyc.digilocker.session.request",
    "flow": "signin",
    "redirect_url": "https://developer.sandbox.co.in/",
    "doc_types": ["aadhaar"],
    "options": {
        "verification_method": ["aadhaar"],
        "pinless": True,
        "usernameless": True,
        "verified_mobile": "9687205427"
    }
}
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.digilocker.session.request',
    flow: 'signin',
    redirect_url: 'https://developer.sandbox.co.in/',
    doc_types: ['aadhaar'],
    options: {
      verification_method: ['aadhaar'],
      pinless: true,
      usernameless: true,
      verified_mobile: '9687205427'
    }
  })
};

fetch('https://test-api.sandbox.co.in/kyc/digilocker/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/digilocker/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.digilocker.session.request',
    'flow' => 'signin',
    'redirect_url' => 'https://developer.sandbox.co.in/',
    'doc_types' => [
        'aadhaar'
    ],
    'options' => [
        'verification_method' => [
                'aadhaar'
        ],
        'pinless' => true,
        'usernameless' => true,
        'verified_mobile' => '9687205427'
    ]
  ]),
  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/digilocker/sessions/init"

	payload := strings.NewReader("{\n  \"@entity\": \"in.co.sandbox.kyc.digilocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://developer.sandbox.co.in/\",\n  \"doc_types\": [\n    \"aadhaar\"\n  ],\n  \"options\": {\n    \"verification_method\": [\n      \"aadhaar\"\n    ],\n    \"pinless\": true,\n    \"usernameless\": true,\n    \"verified_mobile\": \"9687205427\"\n  }\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/digilocker/sessions/init")
  .header("Authorization", "<authorization>")
  .header("x-api-key", "<x-api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"@entity\": \"in.co.sandbox.kyc.digilocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://developer.sandbox.co.in/\",\n  \"doc_types\": [\n    \"aadhaar\"\n  ],\n  \"options\": {\n    \"verification_method\": [\n      \"aadhaar\"\n    ],\n    \"pinless\": true,\n    \"usernameless\": true,\n    \"verified_mobile\": \"9687205427\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://test-api.sandbox.co.in/kyc/digilocker/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.digilocker.session.request\",\n  \"flow\": \"signin\",\n  \"redirect_url\": \"https://developer.sandbox.co.in/\",\n  \"doc_types\": [\n    \"aadhaar\"\n  ],\n  \"options\": {\n    \"verification_method\": [\n      \"aadhaar\"\n    ],\n    \"pinless\": true,\n    \"usernameless\": true,\n    \"verified_mobile\": \"9687205427\"\n  }\n}"

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

{
  "code": 200,
  "timestamp": 1751975600361,
  "data": {
    "@entity": "in.co.sandbox.kyc.digilocker.session.response",
    "authorization_url": "https://digilocker.meripehchaan.gov.in/public/oauth2/1/authorize?response_type=code&client_id=IW55C7A3B0&state=e385432b-575c-4b6f-8928-79136dbc0d4f%7Cf1bd0342-cc1d-4051-8301-e8ee17e3a3c3%7Chttps%3A%2F%2Fdeveloper.sandbox.co.in%2F&code_verifier=ADlMHKsr~L8YIwLoIOGgwwRQoouE-m~Z9yu0KWstrsKrdAtUY2IkmOoDWZNn80_G&code_challenge=pnowXsaM5mBqNR3NfSfsaLBC2JYjoy2eRLOwKNVjFY8&code_challenge_method=S256&scope=files.issueddocs&redirect_uri=https%3A%2F%2Fdeveloper.sandbox.co.in%2F&pla=Y&dl_flow=signup&plsignup=Y&amr=driving_license%2Baadhaar%2Bpan%2Bemail%2Busername%2Bmobile%2Bother&verified_mobile=9004813042&req_doctype=PANCR%2CADHAR%2CDRVLC&consent_valid_till=1752061999",
    "session_id": "f1bd0342-cc1d-4051-8301-e8ee17e3a3c3"
  },
  "transaction_id": "a11c4e00-fae1-4092-a55f-b4f0be92ffeb"
}