Remove the final / in the base URL, and add the / before the relative URL of the endpoint. Actually, in your JSON file the endpoint is a full URL, not just a relative one (the GUI shows the relative one), therefore you maybe just need to remove the / in the base URL.

This is for the test API (I tested with a file 25 minutes ago in a probably unpatched OAS 2024, can't be sure about that as it's an Oracle managed instance).

(Sorry for the not-fully-complete replies, let's blame 11:30pm :D )

I tried again with a file (the forum add new lines everywhere, I don't have any empty new line in my file):

{

  "name": "Test 002",

  "description": "Testing...",

  "baseURL": "https://api.restful-api.dev",

  "endpoints": {

    "objects": "https://api.restful-api.dev/objects"

    },

  "authentication": {

    "type": "noauth"

  }

}

Saved it as OAS_rest.json, zipped into OAS_rest.zip.

I thought the / was an issue, but it isn't…
This is the connection after importing the file. I clicked save, and it just saved it.

The connection is saved just fine and works.

As said I don't know the patching status of that OAS instance, it is labeled "OAS March 2024", and AFAIK it isn't an instance that is not patched: it's installed when OAS is released and it stays like that till the year after.

$ opatch lspatches

36823918;OAS STACK PATCH BUNDLE 7.6.0.0.240710 (Patch 36823847)
36814917;OAS BUNDLE PATCH 7.6.0.0.240708

36805124;WLS PATCH SET UPDATE 12.2.1.4.240704

36770738;FMW Thirdparty Bundle Patch 12.2.1.4.240625

36769312;OWSM BUNDLE PATCH 12.2.1.4.240625

36741053;WebCenter Core Bundle Patch 12.2.1.4.240617

36706228;OSS 19C BUNDLE PATCH 12.2.1.4.240606

36700543;ADF BUNDLE PATCH 12.2.1.4.240605

36649916;One-off

36553894;RDA release 24.3-2024716 for OFM 12.2.1.4 SPB

36392269;DATABASE RELEASE UPDATE 19.23.0.0.0 FOR FMW DBCLIENT (36392269)

36316422;OPSS Bundle Patch 12.2.1.4.240220

1221422;Coherence Cumulative Patch 12.2.1.4.22

36485914;WLS STACK PATCH BUNDLE 12.2.1.4.240405 (Patch 36485713)

34542329;One-off

34809489;One-off

35965629;ADR FOR WEBLOGIC SERVER 12.2.1.4.0 CPU JAN 2024

33093748;One-off

35065206;One-off

31032676;One-off

30657796;One-off

I reproduced the UI bugginess with the July 2024 bundle patch applied, so it is not fixed by a published patch.

I tested also in OAC (September 2024 update), the connection was created fine. It did appear that there were two endpoints, but after saving, and upon inspection, there was only one endpoint.

That tells me there have been some fixes/improvements that may need to be back ported to OAS.

I am happy to file a bug/defect, but it is better if there is a service request.

@Dhaval Parikh Stantec - If you could file one, then post back, that will help with follow-up.

Attaching a short .mp4 video to the SR is also helpful and referencing this community URL.