Error in PayPal NVP ExpressCheckout with Zend Framework

If you are using classes from Zend Framework Laboratory for PayPal integration (which is somewhat unfinished) you probably will have an error when trying


The error has strange description ‘Security header is not valid’ and not listed in PayPal documentation.

To fix the error you’ll have to change line in Zend/Service/PayPal.php (in Laboratory tree)

const SERVICE_URI = '';


const SERVICE_URI = '';

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One Response to “Error in PayPal NVP ExpressCheckout with Zend Framework”

  1. Zmei Says:

    many thanks!

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