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How do I test failed transactions in the PayPal Sandbox?
PayPal's Sandbox allows developers to return failed error codes for AVS, CVV, and other failure results. For the negative testing to work for API response codes, developers need to set the API version in their code to greater than or equal to 2.4.
Test your integration
Sandbox Testing Tips & Tricks
PayPal Sandbox Testing Guide
Test your integration
Sandbox Testing Tips & Tricks
PayPal Sandbox Testing Guide
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How do I get merchant technical support, such as for PayPal product integrations, APIs or Sandbox testing?For technical support on integrating our payment solutions, please visit our Merchant Integration Tech Support Community and PayPal Developer Centre. You can find comprehensive product information and all you need to know about integration, from creating buttons, managing APIs and authorisations, to testing with Sandbox. If you're still wondering How do I enable my Sandbox test account for PayPal Payments Pro?To test PayPal Payments Pro in Sandbox, you need a Sandbox account that has Payments Pro enabled (otherwise, you'll get an error message). See How do I create a Sandbox test account? for more information. Here's how to enable PayPal Payments Pro on a Sandbox test account: Log How do I set up Payflow Pro with PayPal Sandbox?When testing your Payflow integration using the PayPal Sandbox, you must have a PayPal Sandbox Seller account linked to Payflow Manager before switching your shopping cart/payment module to a Sandbox and Test mode. Start by setting up your Sandbox Buyer/Seller accounts within PayPal Sandbox: How do I create How do I create a Sandbox test account?To test your solution in the Sandbox or Test environment, you need to create two Sandbox accounts on our Developer Portal: a Seller Sandbox account and a Buyer Sandbox account. Here’s how to create a Sandbox account: Log in to PayPal Developer Portal. You can use your Live How do I create a verified business account in the PayPal Sandbox?When you create a Sandbox test account, you can choose whether it's verified or unverified. To make a new verified account, set Bank verified account to Yes on the Create test account page in PayPal Developer. For more information, see How do I create a Sandbox test account?Why did I get random approvals, declines, and timeouts when testing PayPal Payments Pro with Payflow in the Sandbox?Random approvals, declines, and timeouts usually result when the credit card numbers you're using are associated with many test accounts. The system has difficulty handling multiple requests for these same few numbers. When performing test credit card transactions with a Payflow Pro account linked to a Sandbox account, How do I create a Sandbox account for Payflow Pro (US, AU) or Website Payments Pro Payflow Edition (UK)?Here's how: Log in to your PayPal Manager account and verify that your account is active. Log in to the PayPal Developer Portal. Set up Business and Personal Sandbox test accounts (see How do I create a Sandbox test account?). After you've created a Business Sandbox test account, Where can I find test credit card numbers?Test credit card numbers are used within PayPal Sandbox to validate the authorization, capture, and credit transaction flows. Because test credit cards don't include a card verification code (CVV), you can use 123 as the CVV for Visa, MasterCard, Discover and Diners Club or 1234 as the CVV Why did I get result codes 102, 103, 104 and 106 (Sandbox)?Issue While you were working in the Sandbox environment, PayPal presented result codes 102, 103, 104 and 106. Cause Result codes 102 (Processor not available), 103 (Error reading response from host), 104 (Timeout waiting for processor response), or 106 (Host not available) may occur in the Sandbox environment How do I test my integration with the Payflow Gateway?You'll find complete information on testing then launching your Payflow Gateway integration on the PayPal Developer Portal. See Also: Where can I find SSL certificates for Payflow Pro and Pilot API servers? How do I create a Sandbox account for Payflow Pro (US, AU) or Website Payments Pro Why did I get the error “Incorrect API credentials” when I tried to make an API call?Issue PayPal notified you that your REST API credentials are incorrect. Cause This error is related to the REST API credentials you use to make API calls. Solution If you previously had your application set up for testing in the Sandbox environment, you may need to switch your Our technical support content has moved!To improve and streamline your support experience, we've: Moved our technical support content from www.paypal-knowledge.com to the PayPal Help Center. Moved our technical microsites to www.paypal-notice.com. Technical Support Content To search for information that was previously on www.paypal-knowledge.com, please use the search bar above. Merchant Security Roadmap To How do I clear an eCheck in my Sandbox account?An eCheck is an electronic funds transfer that withdraws money directly from your bank account. It's just like writing a check, but it's done electronically. When you send money with an eCheck, the transaction will be held as pending for three to four business days, until the electronic 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 test the PayPal Account Optional feature in the Sandbox?To test an account that has PayPal's Account Optional feature turned on, you must have a Business (seller) account in the Sandbox. If you don't have a Sandbox test account, visit the PayPal Developer Portal to create one. Once you've created the account, follow these steps: Initiate the Why did I get result code 5?Issue PayPal presented result code 5 - Error: Invalid merchant information. Causes You may receive this result code for any of the following reasons: Your processor has deactivated your account. The processor information on your account is invalid. Global Payments Central (MAPP) merchants: Global Payments doesn't have your How do I integrate Payflow Pro with Angell EYE for WooCommerce?Disclaimer: This integration requires you to download and install a payment module before proceeding. You should also back up your site to ensure a safe recovery path in case installation issues arise. PayPal strongly recommends that a qualified network or systems admin install the module, to protect against What is Payment Review and how do I integrate it?The Payment Review feature identifies high-risk transactions and notifies merchants of the review so they can hold shipments until PayPal has evaluated the transaction risk. PayPal currently notifies merchants of the review through email and transaction status within their PayPal account. For transactions on eBay, eBay API and Why did I get result code 12?Issue PayPal returned result code 12 - Error: Declined. Cause Multiple issues, explained in the next few paragraphs, can produce this result code. Solutions To resolve the issue, take the appropriate actions for each cause: Note: If none of the following solutions resolve the error, have the customer
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