func caseInsensitiveKeys() {
    struct Model: Codable, Equatable {
        let number: String?
        let id: String?
        let address: String?

        enum CodingKeys: String, CodingKey, CaseIterable {
            case number = "A-Number"
            case id = "A-Id"
            case address = "AddressId"
        }
    }

    let jsonStr = """
    [{
    "A-Number" : "12",
    "A-Id" : "1",
    "AddressId" : "23"
    },
    {
    "a-number" : "45",
    "a-id" : "2",
    "addressid" : "67"
    }]
    """

    do {
        let decoder = JSONDecoder()
        decoder.keyDecodingStrategy = .custom({ codingPath in
            let lastCodingPath = codingPath.last!
            let match = Model.CodingKeys.allCases.first { $0.rawValue.compare(lastCodingPath.stringValue, options: .caseInsensitive) == .orderedSame }
            return match ?? lastCodingPath
        })
        let models = try decoder.decode([Model].self, from: Data(jsonStr.utf8))
        print(models)
    } catch {
        print("Error case insentive keys: \(error)")
    }
}

caseInsensitiveKeys()