PayPal Gateway - 2012 Guide de l'utilisateur télécharger pdf (Page 38)

Configuring Hosted Checkout Pages

Silent Posts

38 31 July 2012 Gateway Developer Guide and Reference

Silent Posts

The Silent Post feature returns data to your server using the HTML Post method whenever a

transaction succeeds. The data is sent at the same time as when the Receipt page is displayed.

This feature is configured through

https://manager.paypal.com:

 Go to Service Settings, then Setup

 In the Hosted Checkout Pages tab, set Use Silent Post to Yes

NOTE: To ensure that transactions proceed only if your script actually receives the data

returned by the Silent Post, you must Force Silent Post Confirmation by checking Voi d

transaction when my server fails to receive data sent by the silent post.

Force Silent Post Confirmation

The Force Silent Post Confirmation feature ensures that no transactions proceed unless your

Web site receives the Silent Post data.If you enable this feature, Payflow Gateway sends the

Silent Post data and waits for a 200 OK from your server (indicating the server’s receipt of the

data). If Payflow Gateway does not receive the success response, then the transaction is voided

and the customer sees a communication error message. In this case, PayPal Manager displays

both a transaction that succeeded and a transaction that was voided. To select this feature, be

sure to check Void transaction when my server fails to receive data sent by the silent post when

setting up Silent Posts in PayPal Manager.

SHOWAMOUNT If you pass in $0 amount and trans type = A, then if

SHOWAMOUNT=FALSE, Payflow will not display the

amount in the order summary table.Values:

TRUE/FALSE

SUBTOTAL Amount you pass to Payflow. It is displayed in the order

summary section. This amount is only for display

purposes and is not passed to the transaction servers.

VERBOSITY Additional values that is returned from the transaction

response to the merchant in the Silent Post. By default,

there is no verbosity set which means the standard set of

values that Silent Post currently uses is returned.

Passing in a verbosity will return the extra values that

we get back in the transaction response.Value: HIGH

VERIFY Runs a $0 authorization transaction using the credit card

information the buyer enters. If the $0 authorization is

verified, then Payflow will immediately run the

transaction for the amount and transaction type you pass

to Payflow.Values: TRUE/FALSE

Variable Description

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PayPal Gateway - 2012 Guide de l'utilisateur Page 38