Can't access our private gallery API??

[machazthegamer]

I have been trying for the past day to test sending an API request to our on premise Alteryx gallery to no avail. The get URL looked like this on Postman:

http://{{ SERVERNAME }}/gallery/api/v1/workflows/subscription/?oauth_consumer_key=8D61496AB337AB5e033ebd8e6d66d8af6603984a8c0ff303047937a&
oauth_signature_method=HMAC-SHA1&
oauth_timestamp=1536347291&
oauth_nonce=iLIDcZ&
oauth_version=1.0&
oauth_signature=tKW55+Mre2Iv8MpTOtiLVrHmldA=&
sortField=author&direction=asc&packageType=1

However i keep getting the error :

{
    "data": null,
    "exceptionName": "UnauthorizedException",
    "innerExceptionMessage": "",
    "message": "Timestamp is not close enough to the current server time."
}

How do I solve this?????....The server is in the same location as our offices so there should be no timezone difference.

How can this be resolved?? We would really like to make a simple web app that talks to the gallery or some number crunching

[patrick_digan]

My first guess would be that you need to use the Greenwich mean time (GMT). Since I'm in the Eastern US, I would currently add 4 hours to the current time.

If you use the api-docs on your private server, it will display the oauth_timestamp for you to compare your timestamp to.

Let me know if you need more help and I'd be glad to post a more detailed answer.