Step 6 - checkPARes

Sandbox

https://base.merchantwarrior.com

POST

/post

The checkPARes method is used to verify the result the of the challenge. At this stage you can determine (based on the challenge result) if you would like to proceed with the transaction (Step 7) or not. The PARes value submitted in this request should be the cres you received from Step 5.

You will receive a threeDSToken that you can use in Step 7.

Request

Header Params

Body Params application/jsonRequired

Examples

Responses

🟢200

application/json

Bodyapplication/json

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://base.merchantwarrior.com/post' \
--header 'MW-API-VERSION: 2.0' \
--header 'Content-Type: application/json' \
--data '{
    "method": "checkPARes",
    "accessToken": "XXXXX",
    "cres": "eJzNWVmvm9iy/it"
}'

Response Example

{
    "threeDSStatusReason": "",
    "responseMessage": "Operation successful",
    "threeDSCavv": "e1E3SN0xF1lDp9js723iASu3wrA=",
    "threeDSToken": "ebfac7e662da4bd05c9e",
    "responseCode": 0,
    "threeDSV2Version": "2.1.0",
    "threeDSServerTransID": "2d1752a3-7564-4e1b-88f8-197a3f670e9c",
    "liabilityShift": "Y",
    "threeDSEci": "05",
    "threeDSStatus": "Y"
}

Modified at 2026-07-16 12:48:46

Step 4 - checkTDSAuth

Step 7 - processCard