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Questions tagged [paypal]

For questions about the PayPal API used by software developers to process payments, manage invoices, monitor accounts, etc. (For user-level support, contact PayPal directly using their site.)

PayPal is a commerce business allowing payments and money transfers to be made through the internet, mobile and point of sales.

PayPal has a large set of APIs currently available to the public, a full list of which is available at the Classic API References and Rest API References

PayPal provides Open-Source SDKs that can be used to make calls to both Classic and REST APIs. The SDKs for REST APIs are actively developed, and maintained in github repositories

Further developer resources are available at PayPal Developer as well as a full overview of all PayPal API error codes at API Errors

PayPal technical support for PayPal APIs (as well as Website Payments Standard) is available via PayPal Technical Services at https://www.paypal-techsupport.com

Ask questions if you are a software developer only. If you are a PayPal user, contact Paypal using their customer support.

Some Useful Links:

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What is a PayPal payer id?

Instant Payment Notification script receives among other parameters the following one: payer_id = LPLWNMTBWMFAY What is the meaning of that string?
Anthony
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Dynamic PayPal button generation - isn't it very insecure?

I am just wondering here.. Aren't the PayPal buttons that are dynamically created, very unsecure, and easily "hackable"? Like so:
Jeff
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php-paypal-error: 14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure

Today a website with PHP 5.5 that was working fine has started to throw this error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure I have tried many solutions from different questions but I can't find the…
Noé Andrés
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5 answers

Paypal Website Payments Standard with a Ruby/Rails application

I would like to implement a payment solution with my Rails site using Paypal Website Payments Standard. (See https://www.paypal.com/IntegrationCenter/ic_standard_home.html). I don't want fancy gateways, and I don't want to go through the hassles…
Jay Godse
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If I use the PayPal gateway in my iPhone app, will Apple approve it?

If I use the PayPal gateway in my iPhone app, will Apple approve it?
avinash
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26
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2 answers

Paypal IPN override charset

i have a problem with this paypal IPN. I saw, a lot of people had. I try to pay as a user: Árvíztűrő Tükörfúrógép In this name, there are all special chars, what are in hungarian ABC. I am a hungarian PHP developer. Ok, i tried to search a lot of on…
vaso123
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5 answers

Can you cancel a PayPal automatic payment via API? (Subscription created via Hosted button)

Can you cancel a PayPal automatic payment via API? It's a "Subscription" created via Hosted button. I have the "Automatic payment number" and the "Transaction ID".
Zack Burt
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25
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4 answers

Get information from PayPal after a transaction

I want to create a simple transaction on my Web Site where after the person's transaction completes, I want paypal to redirect the user to go to a place on my site and I want PayPal to provide me with details so I can use PHP to parse it and email…
jmasterx
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Express Checkout error message: "Security header is not valid"

I'm implementing Express Checkout in PayPal. I have no problem with the first two steps, SetExpressCheckout and GetExpressCheckout. But when I use DoExpressCheckout, I encounter the error "Security header is not valid". The API credentials are the…
Paypal
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Can not pay in paypal sandbox using a test Test Account

Since paypal updated their sandbox, I encounter a lot of problems. I can not simulate a payment using sandbox. Whenever i use an "old test account", created before the update, this error message comes out This Sandbox email address is not…
Shin Akuma
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How can i Integrate PayPal with ASP.NET?

How can i integrate PayPal with ASP.NET, do you have any sites that can get me started or links to any tutorials?
Sandhurst
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1 answer

PayPal Rest API - Update Billing Plan Return URL

I have been using the PayPal Rest API and have successfully created and activated a BillingPlan but I'm having trouble updating said plan's return_url. I think it's something to do with the JSON path I'm using although I'm not sure why!? Anyway, I…
scgough
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PayPal Checkout (javascript) with Smart Payment Buttons create order problem

On my webpage I'm trying to implement a PayPal checkout using JavaScript following the manual: https://developer.paypal.com/docs/checkout/ Everything works great with the standard options. For example this works just fine: paypal.Buttons({ …
Kornel
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8 answers

Can I test paypal api's from localhost

UPDATE 1: According to this tutorial on Using PayPal's Instant Payment Notification with PHP, PayPal cannot access locally hosted websites unless certain router ports are opened. Is this because the website is about IPN or is this true for all…
oshirowanen
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How to configure paypal sandbox auto return URL?

I am using ubercart module in Drupal, and I need help to configure return URL from PayPal sandbox. I tried creating business account in https://developer.paypal.com/webapps/developer/dashboard , but that also is not working.
user2134523
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