How do I use the PayPal API (and PayPal Payments Pro) with the Classic ASP SDK?
You can find all PayPal SDKs on the PayPal Developer Portal.
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Do I need to use PayPal SDKs to call PayPal APIs?No, you dont need to use PayPal SDKs to call PayPal APIs. However, the PayPal SDKs ease the task of calling PayPal Web Service APIs. They contain libraries that shield the user from the intricacies of the SOAP protocol, and offer a number of other useful features. You How do I get started with PayPal APIs and SDKs?An Application Programming Interface (API) is a safe gateway to use a companys code or tool to accomplish a task. Using an API, you can get the local weather, check incoming flights with a certain airline, create a Google Map, or create a payment with PayPal. Requests and How do I set up and process an API call using the Payflow .NET SDK?This tutorial shows you how to set up and process an API call using the Payflow .NET SDK. When finished, youll be able to communicate with the server and see a response on the page. Disclaimer: This code isnt intended to be used in a production environment; its How do I troubleshoot Classic ASP SDK error messages?When troubleshooting Classic ASP scripts, its often helpful to configure Internet Explorer (IE) tonot show friendly HTTP errors so you can see where the error is in your script. Showing friendly HTTP errors means that if the script encounters a problem, youll see a generic HTTP 500 error Why did I get the error "ActiveX component can't create object: 'com.paypal.sdk.COMNetInterop.COMAdapter'" with the Classic ASP SDK?Issue Youre using the Classic ASP SDK, and you got an ActiveX component cant create object error. Cause Youve installed the classic ASP SDK but dont have RegAsm and gacutil in your system PATH. Depending on your configuration you may also see a generic error such as paypal_base How do I use PHP to integrate with Payflow Pro without using an SDK?The Payflow SDK is recommended for .NET and Java developers to simplify the Payflow Pro integration. Youll find additional examples on GitHub.How do I encrypt PayPal HTML in ASP.NET?PayPal provides a .NET sample application/DLL that you can use in an ASP.NET application to ease integration.This FAQ explains how to get this DLL and use it in your web application. Note: The PayPal .NET SDKs also include support for Encrypted Website Payments, asof release 4_2_1.This FAQ doesnt What errors can be produced when using PayPal APIs?For a complete list of API error codes, see the API Error and Warning Codes page on the PayPal Developer Portal.What SDK do I use for Website Payments Pro UK?Because Website Payments Pro UK accounts are based on Payflow Pro, UK merchants can use the same SDKs as those used by the US and AU merchants for posting transactions via .NET, Java or via HTTPS (for example, PHP, Perl, Ruby, etc.). The UK Website Payments Pro uses How do I use PayPal's Authorization and Capture APIs?Upon completion of customer checkout, you can authorize a payment by setting the value of: DoExpressCheckoutPayment to Authorization or Order. DoDirectPayment to Authorization. The response from these requests returns an Authorization ID. At this point, you can settle (capture funds) with the DoCapture API request. DoCapture requires the Where can I find sample API code for Windows solutions?PayPal API solutions for Windows (Classic ASP/VBScript and .NET) PayPal provides SDKs for Classic ASP and ASP.NET. Both require the .NET framework on the host machine. You can download these from the PayPal Developer Portal.Why did I get API error code 10002 with PayPal's Classic APIs?Issue Youre using one of PayPals Classic APIs, and PayPal returned error code 10002. Cause PayPal has an issue with the API credentials that a shopping cart is trying to use. Solution Access the API credentials from your PayPal account and manually repaste them into the setup section How do I determine my Payflow Pro SDK version?To determine which version of the Payflow Pro SDK youre currently using: Log in to your PayPal Manager account. Click Reports. Click Daily Activity under Standard. Select a Date on which you know transactions were processed via Payflow Pro, then click Run Report. This report may finish quickly How do I generate Payflow API credentials with a PayPal Payments Pro account?Heres how: Log in to your PayPal account. Select Profile Profile and settings My selling tools API Access, click Update. Click Set up Payflow Pro API access under Option 2. Click Create access to generate your PayPal Payments Pro credentials. When credentials have been generated, youll see the How do I handle PayPal API timeouts and internal server error messages properly?Issue PayPal is sending you messages about API timeouts and internal server errors. Causes Generally, these messages result from server issues or connectivity issues. Solution When you receive an internal server error or timeout message in response to a PayPal API transaction request that processes a payment (DoDirectPayment, How do I upgrade my PayPal SDK version for .NET?Upgrading SDK versions allows you to use the new features that PayPal has added to our web services. You can find complete information on updating your SDK as well as sample code onGitHub.Why did I get the error "Class 'PayPal\Rest\ApiContext' not found" when using the PayPal SDK?Issue The PayPal SDK returned a class not found error. Cause The file path in the PHP SDK couldnt be found. Solution Use Composer to update the vendor folder; for example: require(vendor/autoload.php); $api = new \PayPal\Rest\ApiContext( new \PayPal\Auth\OAuthTokenCredential( $client_ID, $client_Secret ) ); $api-setConfig([ mode=sandbox, http.ConnectionTimeOut=30, log.LogEnabled=false, log.FileName=, log.LogLevel=FINE, What can I do if I don't have root access and want to use the PayPal PHP SDK on my host?If you want to usethe PayPal PHP SDK on your host but dont have root access, you can use one of two alternatives for installing Pear (if your host cant do this for you). See the pear.php.net site for information on installing a local PEAR copy on a How do I get started with PayPal Payments Pro?To get started with PayPal Payments Pro: Sign up for a PayPal Business account or upgrade your existing PayPal account. Confirm your email address, which verifies the email address where PayPal can send payment receipts and account emails. Provide and confirm your bank account information, which will allow
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