curl --location --request POST '/rest/api/3/plans/plan' \
--header 'Content-Type: application/json' \
--data-raw '{
    "crossProjectReleases": [
        {
            "name": "AB and BC merge",
            "releaseIds": [
                29,
                39
            ]
        }
    ],
    "customFields": [
        {
            "customFieldId": 2335,
            "filter": true
        }
    ],
    "exclusionRules": {
        "issueIds": [
            2,
            3
        ],
        "issueTypeIds": [
            32,
            33
        ],
        "numberOfDaysToShowCompletedIssues": 50,
        "releaseIds": [
            42,
            43
        ],
        "workStatusCategoryIds": [
            22,
            23
        ],
        "workStatusIds": [
            12,
            13
        ]
    },
    "issueSources": [
        {
            "type": "Project",
            "value": 12
        },
        {
            "type": "Board",
            "value": 462
        }
    ],
    "leadAccountId": "abc-12-rbji",
    "name": "ABC Quaterly plan",
    "permissions": [
        {
            "holder": {
                "type": "AccountId",
                "value": "234-tgj-343"
            },
            "type": "Edit"
        }
    ],
    "scheduling": {
        "dependencies": "Sequential",
        "endDate": {
            "type": "DueDate"
        },
        "estimation": "Days",
        "inferredDates": "ReleaseDates",
        "startDate": {
            "type": "TargetStartDate"
        }
    }
}'