Authentication Failing

[Kevin Passey]

I have an interface to Jira that uses an API token and uses Rest to connect with my account.

The interface connects OK however when I ask it to actually retrieve/update information from my account I get authentication Failure.

I'd appreciate some pointers.

###REQUEST##START###
Attempting SSL connection to the target
Call_2023-11-15-09.29.51.930000
Request_2023-11-15-09.29.55.381000

###REQUEST##HTTP-HEADER###
Request Length = 387

###REQUEST##DETAILS###
GET /rest/api/latest/search?maxResults=30&startAt=0&jql=project%20%3D%20%27KDP%27%20order%20by%20id HTTP/1.1
Accept-Encoding: gzip,deflate
Host: kdpsoftware.atlassian.net
Connection: Keep-Alive
User-Agent: LXRSSL 0.1
Authorization: Basic *****

###REQUEST##END###

###RESPONSE##START###
Response Status = 400
Response Length = 971

#RESPONSE#HTTP-HEADER#
HTTP/1.1 400 Bad Request
Date: Wed, 15 Nov 2023 09:29:33 GMT
Content-Type: application/json;charset=UTF-8
Server: AtlassianEdge
Timing-Allow-Origin: *
X-Arequestid: e5bbb82b7e8dc640766e155ce65106ad
X-Seraph-Loginreason: AUTHENTICATED_FAILED
Set-Cookie: atlassian.xsrf.token=

; Path=/; SameSite=None; Secure
Cache-Control: no-cache, no-store, no-transform
X-Content-Type-Options: nosniff
X-Xss-Protection: 1; mode=block
Atl-Traceid: 0afdd11a9da949909bce3eb0a521e44c
Report-To: {"endpoints": [{"url": "https://dz8aopenkvv6s.cloudfront.net"}], "group": "endpoint-1", "include_subdomains": true, "max_age": 600}
Nel: {"failure_fraction": 0.001, "include_subdomains": true, "max_age": 600, "report_to": "endpoint-1"}
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
Transfer-Encoding: chunked
#RESPONSE#JSON-BODY#
{"errorMessages":["The value 'KDP' does not exist for the field 'project'."
],"warningMessages":[]}
###RESPONSE##END###
#####################
###ERRORS###
#####################

#####################
#WARNINGS#
#####################

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Elapsed Time : 7 seconds, 649000 microseconds