DEC_V1, DEC_V2 - https://docs.sitefinity.com/dec/api-v2/a-b-tests-endpoints

ABTestGetTestByID.json

{
    "Id": "1D0F8CFF-ED02-463B-A34A-F34579E52A50",
    "Name": "Documentation AB Test Home Page",
    "StartDate": "2018-02-21T13:00:00.000Z",
    "StopDate": "2018-02-22T22:00:00.000Z",
    "StatisticsCalculatedOn": null,
    "DefinitionPageId": "1d0f8cff-ed02-463b-a34a-f34579e52a50",
    "DefinitionPageLanguage": null,
    "State": 2,
    "BusinessStatus": "Active",
    "PrimaryGoalId": "18F40E40-BA2D-42D7-BE91-B29C5296D22D",
    "OriginalVariantId": "13C7E1F9-8BF8-4B3C-B2EA-81F9AE4053E5",
    "UniqueVisits": 0,
    "ActiveDays": 0,
    "Variants": [
        {
            "Id": "13C7E1F9-8BF8-4B3C-B2EA-81F9AE4053E5",
            "Name": "Original",
            "Percentage": 50,
            "State": 1,
            "UniqueHitsCount": null
        },
        {
            "Id": "188C9DFE-3488-4BDB-8034-A804CD8AA4A4",
            "Name": "Modified",
            "Percentage": 50,
            "State": 1,
            "UniqueHitsCount": null
        }
    ],
    "Goals": [
        {
            "Id": "1D05C4A4-BAE5-4392-B009-1E6EE9D65D44",
            "Name": "Purchase Conversion AB Goal",
            "ConversionId": 1,
            "GoalType": "Global",
            "State": 1,
            "WinnerVariantId": null
        },
        {
            "Id": "18F40E40-BA2D-42D7-BE91-B29C5296D22D",
            "Name": "Next page viewed is Contact Us Page Goal",
            "ConversionId": null,
            "GoalType": "Local",
            "State": 1,
            "Definition": {
                "Relation": "1",
                "Parts": [
                    {
                        "Id": 1,
                        "Predicate": "Visit",
                        "IsNegated": false,
                        "PredicateOperator": "ExactMatch",
                        "ObjectOperator": "ExactMatch",
                        "Objects": [
                            "contact-us"
                        ],
                        "ObjectMetadata": {
                            "PreviousPageId": "1d0f8cff-ed02-463b-a34a-f34579e52a50"
                        }
                    }
                ]
            },
            "WinnerVariantId": null
        }
    ],
    "CanonicalUrl": null
}