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FedEx REQUEST: Reveal
Array
(
    [WebAuthenticationDetail] => Array
        (
            [UserCredential] => Array
                (
                    [Key] => 1ZDkZc54bEuKHry1
                    [Password] => XEolnIMFRygtzU7JEPRKdEXGQ
                )

        )

    [ClientDetail] => Array
        (
            [AccountNumber] => 510087500
            [MeterNumber] => 119044539
        )

    [TransactionDetail] => Array
        (
            [CustomerTransactionId] =>  *** WooCommerce Rate Request ***
        )

    [Version] => Array
        (
            [ServiceId] => crs
            [Major] => 22
            [Intermediate] => 0
            [Minor] => 0
        )

    [RequestedShipment] => Array
        (
            [PreferredCurrency] => CAD
            [DropoffType] => REGULAR_PICKUP
            [ShipTimestamp] => 2018-09-19T00:00:00+00:00
            [PackagingType] => YOUR_PACKAGING
            [Shipper] => Array
                (
                    [Address] => Array
                        (
                            [PostalCode] => J6J4Z2
                            [CountryCode] => CA
                        )

                )

            [ShippingChargesPayment] => Array
                (
                    [PaymentType] => SENDER
                    [Payor] => Array
                        (
                            [ResponsibleParty] => Array
                                (
                                    [AccountNumber] => 510087500
                                    [CountryCode] => CA
                                )

                        )

                )

            [RateRequestTypes] => LIST
            [Recipient] => Array
                (
                    [Address] => Array
                        (
                            [Residential] => 1
                            [PostalCode] => 
                            [City] => 
                            [StateOrProvinceCode] => QC
                            [CountryCode] => CA
                        )

                )

            [RequestedPackageLineItems] => Array
                (
                    [0] => Array
                        (
                            [SequenceNumber] => 1
                            [GroupNumber] => 1
                            [GroupPackageCount] => 1
                            [Weight] => Array
                                (
                                    [Value] => 2
                                    [Units] => LB
                                )

                            [Dimensions] => Array
                                (
                                    [Length] => 3
                                    [Width] => 2
                                    [Height] => 1
                                    [Units] => IN
                                )

                            [InsuredValue] => Array
                                (
                                    [Amount] => 25
                                    [Currency] => CAD
                                )

                        )

                )

            [PackageCount] => 1
            [TotalInsuredValue] => Array
                (
                    [Amount] => 25
                    [Currency] => CAD
                )

        )

)
FedEx RESPONSE: Reveal
stdClass Object
(
    [HighestSeverity] => ERROR
    [Notifications] => stdClass Object
        (
            [Severity] => ERROR
            [Source] => prof
            [Code] => 1000
            [Message] => Authentication Failed
        )

    [TransactionDetail] => stdClass Object
        (
            [CustomerTransactionId] =>  *** WooCommerce Rate Request ***
        )

    [Version] => stdClass Object
        (
            [ServiceId] => crs
            [Major] => 22
            [Intermediate] => 0
            [Minor] => 0
        )

)

Voici le seul résultat