curl --request POST \
  --url https://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",
  "doc_types": [
    "aadhaar",
    "pan"
  ],
  "redirect_url": "https://sandbox.co.in"
}'

{
  "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"
}