Paypal Api Error Security Header Is Not Valid
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This Transaction Cannot Be Processed Due To An Invalid Merchant Configuration.
Join them; it only takes a minute: Sign up PayPal gateway has rejected request. Security header is not valid (#10002: Security error Magento up vote 6 down vote favorite 4 up the pay-pal advance in magento . I have https://support.bigcommerce.com/articles/Public/What-does-Security-Header-is-Not-Valid-10002-for-PayPal-mean fill all the credentials in magento admin . BUt when i go to frontend and click pay-pal button it gives PayPal gateway has rejected request. Security header is not valid (#10002: Security error i have googled a lot and found some suggestions like Remove API Username, API Password and API Signature from Admin->configuration->Paypal->API/Integration Settings. clear cache and test again i have tried all these but it still gives the same error. Please suggest me what can be the http://stackoverflow.com/questions/23261766/paypal-gateway-has-rejected-request-security-header-is-not-valid-10002-secur issue php magento paypal error-handling payment-gateway share|improve this question asked Apr 24 '14 at 6:49 Rohit Goel 1,31662658 It means you have entered wrong API details in magento backend –Kingshuk Deb Apr 24 '14 at 6:53 I don't know if it's still actual and how magento works, but I had the same problem. I tested it in sandbox, but on the endpoint I forgot to add the sandbox word: https://api-3t.sandbox.paypal.com/nvp –matthew3r Jun 4 '14 at 10:34 Do you use CloudFlare?? –redCodeAlert Jun 29 '15 at 17:44 add a comment| 4 Answers 4 active oldest votes up vote 24 down vote The Security header is not valid error is only caused for two reasons: Wrong credentials Make sure that you've put your API Username, API Password and API Signature correctly. Sometimes it happens that during copy and paste there is accidently a space added, this would trigger this error. Doublecheck this settings in the SDK or in the admin panel of your third party shopping cart. Wrong Endpoint This error would come up if you send the data to the wrong endpoint. Make sure that you sending the live credentials and data to our live endpoint. When you want to test your store make sure that you use our test endpoint and the credentials from your sandbox test account. If you are using a third party shopping cart
Download nopCommerce Extensions and themes Release notes Services & Support Documentation Community forums Premium support Request a quote Certified developer program Partners Recommended hosting Solution partners Technology partners Become http://www.nopcommerce.com/boards/t/1126/paypal-express-setup-error-security-header-is-not-valid.aspx a partner Advertise with us Company About us Our mission Meet our team Careers MVP program Press releases Contact us < Back Register Log in < Back Home Product > Overview Why choose nopCommerce Features Store demo Showcase - live shops Ecommerce blog Content writing contest Contribute System requirements Roadmap Copyright notice removal License Downloads > Download nopCommerce Extensions and themes security header Release notes Services & Support > Documentation Community forums Premium support Request a quote Certified developer program Partners > Recommended hosting Solution partners Technology partners Become a partner Advertise with us Company > About us Our mission Meet our team Careers MVP program Press releases Contact us Home > Forums > General > Installation and Configuration > PayPal Express Setup Error: Security security header is header is not valid PayPal Express Setup Error: Security header is not valid 1 2> Reply jkisha Total Posts: 13 Karma: 75 Joined: 7/31/2009 Location: United States PM Posted: August 12, 2009 at 2:02 PM Quote #3853 Any idea as to what might be causing this error in my setup of PayPal Express Checkout? The path in the error message is interesting, as this is not the path of the application on the web server.LongMessage: Security header is not validShortMessage: Security errorErrorCode: 10002Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: NopSolutions.NopCommerce.Common.NopException: LongMessage: Security header is not validShortMessage: Security errorErrorCode: 10002Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.Stack Trace: [NopException: LongMessage: Security header is not validShortMessage: Security errorErrorCode: 10002] NopSolutions.NopCommerce.Payment.Methods.PayPal.PayPalExpressPaymentProcessor.SetExpressCheckout(Decimal OrderTotal, String ReturnURL, String CancelURL) in C:\Users\John xxxxx.VISITUSAT\Desktop\NopCommerce\Payment\Nop.Payment.PayPal\PayPalExpressPaymentProcessor.cs:209 NopSolutions.NopCommerce.Web.Modules.PaypalExpressButton.btnPaypalExpress_Click(Object sender, EventArgs e) in C:\Users\John xxxx.VIS