Download - Paypal-IPN
Presenter: Supriti Panda, Mindfire SolutionsDate: 18/06/2014
Paypal IPN
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PHP, Codeigniter, Zend Framework, Magento, Wordpress, Javascript, Jquery, CSS3, Mysql, SOAP, REST
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ZEND PHP5.3
Magento Certified Developer - M70-101
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Presenter: Supriti Panda, Mindfire Solutions
AGENDA
→ Why it is necessary?
→ What is IPN?
→ How it works?
→ Setup
→ Code Sample
→ IPN Simulator
→ Demo
Presenter: Supriti Panda, Mindfire Solutions
Why it is necessary?
Presenter: Supriti Panda, Mindfire Solutions
Why it is necessary?
Presenter: Supriti Panda, Mindfire Solutions
Why it is necessary?
Presenter: Supriti Panda, Mindfire Solutions
Customer is shopping online happily.
Why it is necessary?
Presenter: Supriti Panda, Mindfire Solutions
Why it is necessary?
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Customer will start complaining.
What is IPN?
→ Instant Payment Notification (IPN) is a message service that automatically notifies merchants of events related to PayPal transactions. Merchants can use it to automate back-office and administrative functions, like fulfilling orders and providing customers with order status.
Presenter: Supriti Panda, Mindfire Solutions
What is IPN?
IPN is a message service that PayPal uses to notify you about events like:
→ Instant payments
→ Authorizations
→ eCheck payments
→ Recurring payment / subscription
→ Chargebacks / refund
→ Adaptive Payment
Presenter: Supriti Panda, Mindfire Solutions
How it works?
Presenter: Supriti Panda, Mindfire Solutions
How it works?
STEPS:
1. A user clicks a PayPal button to kick off a checkout flow.
2. PayPal HTTP POSTs your listener an IPN message that notifies you of this event.
3. Your listener returns an empty HTTP 200 response.
4. Your listener HTTP POSTs the complete, unaltered message back to PayPal.Note: This message must contain the same fields, in the same order, as the original IPN from PayPal, all preceded by cmd=_notify-validate. Further, this message must use the same encoding as the original.
Presenter: Supriti Panda, Mindfire Solutions
How it works?
5. PayPal sends a single word back - either VERIFIED (if the message matches the original) or INVALID (if the message does not match the original).
An IPN message consists of variables that describe the transaction. These variables contain information about you, your customer, and the details of the transaction itself.
Presenter: Supriti Panda, Mindfire Solutions
Paypal Setup
Presenter: Supriti Panda, Mindfire Solutions
My Account->Selling Preferences->Instant Payment Notification Preferences
Code Sample
Sandbox Url:
https://www.sandbox.paypal.com/cgi-bin/webscr
Live Url:
https://www.paypal.com/cgi-bin/webscr
https://github.com/paypal/ipn-code-samples/blob/master/paypal_ipn.php
Presenter: Supriti Panda, Mindfire Solutions
Code Sample
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Note: Sometimes you have to write header('HTTP/1.1 200 OK'); on the top of your code to acknowledge Paypal.
Code Sample
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Code Sample
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Code Sample
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IPN Simulator
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DEMO
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Question and Answer
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Thank you
Presenter: Supriti Panda, Mindfire Solutions
References
https://developer.paypal.com/docs/classic/ipn/gs_IPN/
https://developer.paypal.com/webapps/developer/docs/classic/products/instant-payment-notification/
https://developer.paypal.com/docs/classic/ipn/ht_ipn
Image References
http://www.ydeveloper.com/blog/ecommerce/how-ecommerce-web-developer-can-help-you
http://www.someecards.com/usercards/viewcard/MjAxMi1hNzAzODE2N2ZlOTJjMDQ5
http://blog.manishchhabra.com/2013/10/programming-for-the-passion/
http://www.smallbusinessscope.com.au/customer-complaints-the-first-three-steps/
http://www.atakinteractive.com/blog/benefits-of-hiring-a-web-developer-for-your-ecommerce-website/
http://ecommercewebsitedevelopmentmelbourne.blogspot.in/2013/05/ecommerce-website-developer-play-vital.html
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