Stop Paypal recurring payment in Paypal Standard

I am using paypal recurring payment for my site when user select a checkbox for recurring paymet, but if after some time if user want to remov开发者_Python百科e recurring payment and need regular payment option then we are thinking to provide facility to uncheck checkbox..

At that time its directly unsubscribe recurring payment from the paypal(Using Paypal standard) without need to visit paypal site.

please let me know how to do that. Is there any API for unsubscribe recurring payment from our side.???

Thanks.

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Refer to Page 136 of PayPal "Name-Value Pair API Developer Guide" - it details the required variables to execute a Recurring Payment Cancellation.