400 Bad Request : Expected input credential was not present.

[pravinc]

Hi Team,

Kindly support for shared issue, it's needful.

Method : GET

EndPoint : https://sandbox.api.visa.com/visadirect/v1/transactionquery?acquiringBIN=400171&stan=451000&rrn=3300...

RESPONSE :

{"responseStatus": {
"severity": "ERROR",
"code": "9124",
"message": "Expected input credential was not present",
"status": 400,
"info": ""
}}

RESPONSE HEADER:

Status Code: 400 Bad Request
Server : nginx
Content-Type : application/json;charset=UTF-8
Content-Length : 130
X-SERVED-BY : l55c014
X-CORRELATION-ID : 1582863942_671_176444139_l55c014_VDP_WS
x-vdp-normalized-url : /visadirect/v1/transactionquery
X-APP-STATUS : 400
x-vdp-authn-api-visa-id : QURY.100
X-Frame-Options : SAMEORIGIN
X-XSS-Protection : 1; mode=block
X-Content-Type-Options : nosniff
Strict-Transport-Security : max-age=2592000;includeSubdomains
Cache-Control : no-cache, no-store, must-revalidate
Pragma : no-cache
Expires : -1
Date : Fri, 28 Feb 2020 04:25:42 GMT
Connection : keep-alive

For more details please check the below Visa Developer Center Playground screenshot:

Thanks & Regards,

Pravin C.

[API_Products]

Hey @pravinc,

I'm happy to help you resolve the issue. Please refer to this community forum post to resolve the issue - https://community.developer.visa.com/t5/Implementation-Support/400-BAD-REQUEST-message-quot-Expected...

Please test again and share your results with us. 

[vathanoo]

This error will show up when the required auth headers are not passed in the request header.  For the transaction query api, please ensure you are passing "Authorization: {base64 encoded userid:password}" in the request header.