curl --location -g --request POST 'https://end2endpay.com/wallet_service/api/v1/e2e-ipg/payment/card/otp-validate' \
--header 'x-api-key;' \
--header 'access-token;' \
--header 'Content-Type: application/json' \
--data-raw '{
"otp": "string",
"txn_id": "string",
"txn_ref": "string"
}'{}