Hello, Implementing paypal in my laravel 5.8 app I got error : Got Http response code 400 when accessing https://api.sandbox.paypal.com/v1/payments/payment/PAYID-NNNNNNNNNN/execute. Code (markup): My control : public function paypal_payment_execute() { // After Step 1 $apiContext = new \PayPal\Rest\ApiContext( new \PayPal\Auth\OAuthTokenCredential( 'NNNNN', // ClientID 'NNNNN' // ClientSecret ) ); $paymentId = request('paymentId'); $PayerID = request('PayerID'); $payment = Payment::get($paymentId, $apiContext); $execution = new PaymentExecution(); $execution->setPayerId( $PayerID); $transaction = new Transaction(); $amount = new Amount(); $details = new Details(); $details->setShipping(1.2) ->setTax(1.3) ->setSubtotal(17.50); // $amount->setCurrency('USD'); $total_sum= 20; // I check this sum is setShipping + setTax + setSubtotal $amount->setTotal( (integer)$total_sum); $amount->setDetails($details); $transaction->setAmount($amount); $execution->addTransaction( [ $transaction ] ); // !!! I found that here must be an array? try { $result = $payment->execute($execution, $apiContext); // Number of error points at this line } catch (Exception $pce) { echo '<pre>::'.print_r( json_decode($pce->getData()) ); die("-1 XXZ app/Http/Controllers/PaymentController.php"); } return $result; } PHP: I my browse I see output : https://prnt.sc/od3b6v 1) Can somebody say which kind of error is it ? 2) I see lines like : $this->logger->info PHP: Is it some logging ? Where can I look into it ? 3) That was very strange that error line was shown and not pre output in try catch block: I expected to see pce->getData output: } catch (Exception $pce) { echo '<pre>::'.print_r( json_decode($pce->getData()) ); die("-1 XXZ app/Http/Controllers/PaymentController.php"); } PHP: 4) Searching I net I checked that making payment With JS code I set the same total and return urls, like : <div id="paypal-button"></div> <script src="https://www.paypalobjects.com/api/checkout.js"></script> <script> let total_sum= 20 alert( "-123 total_sum::"+(total_sum) ) paypal.Button.render({ // Configure environment env: 'sandbox', client: { sandbox: 'NNNNN', production: 'demo_production_client_id' }, locale: 'en_US', style: { size: 'small', color: 'blue', shape: 'pill', }, commit: true, payment: function(data, actions) { var payment = actions.payment.create({ "note_to_payer": "Contact us for any questions on your order.", "intent": "sale", "payer": { "payment_method": "paypal" }, redirect_urls : { //redirect_urls return_url : '...paypal_payment', cancel_url : '.../paypal_payment_cancel' }, transactions: [{ amount: { total: Number( total_sum ), currency: 'USD' } }] }); return payment; }, onAuthorize: function(data, actions) { return actions.payment.execute().then(function() { return actions.redirect(); }); } }, '#paypal-button'); </script> Code (JavaScript): On error in apps log I found : 2019-07-10 11:12:44] local.ERROR: Got Http response code 400 when accessing https://api.sandbox.paypal.com/v1/payments/payment/PAYID-LUS4QGI75E1056086596714T/execute. {"exception":"[object] (PayPal\\Exception\\PayPalConnectionException(code: 400): Got Http response code 400 when accessing https://api.sandbox.paypal.com/v1/payments/payment/PAYID-LUS4QGI75E1056086596714T/execute. at /var/www/html/votes/vendor/paypal/rest-api-sdk-php/lib/PayPal/Core/PayPalHttpConnection.php:207) [stacktrace] #0 /var/www/html/votes/vendor/paypal/rest-api-sdk-php/lib/PayPal/Transport/PayPalRestCall.php(78): PayPal\\Core\\PayPalHttpConnection->execute('{\"payer_id\":\"Z9...') #1 /var/www/html/votes/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalResourceModel.php(104): PayPal\\Transport\\PayPalRestCall->execute(Array, '/v1/payments/pa...', 'POST', '{\"payer_id\":\"Z9...', Array) #2 /var/www/html/votes/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/Payment.php(650): PayPal\\Common\\PayPalResourceModel::executeCall('/v1/payments/pa...', 'POST', '{\"payer_id\":\"Z9...', NULL, Object(PayPal\\Rest\\ApiContext), Object(PayPal\\Transport\\PayPalRestCall)) #3 /var/www/html/votes/app/Http/Controllers/PaymentController.php(102): PayPal\\Api\\Payment->execute(Object(PayPal\\Api\\PaymentExecution), Object(PayPal\\Rest\\ApiContext)) #4 [internal function]: App\\Http\\Controllers\\PaymentController->paypal_payment_execute() #5 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): call_user_func_array(Array, Array) #6 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\\Routing\\Controller->callAction('paypal_payment_...', Array) #7 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Route.php(219): Illuminate\\Routing\\ControllerDispatcher->dispatch(Object(Illuminate\\Routing\\Route), Object(App\\Http\\Controllers\\PaymentController), 'paypal_payment_...') #8 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Route.php(176): Illuminate\\Routing\\Route->runController() #9 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Router.php(680): Illuminate\\Routing\\Route->run() #10 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Routing\\Router->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #11 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(41): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #12 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Routing\\Middleware\\SubstituteBindings->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #13 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #14 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(75): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #15 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\VerifyCsrfToken->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #16 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #17 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #18 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\View\\Middleware\\ShareErrorsFromSession->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #19 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #20 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(56): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #21 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Session\\Middleware\\StartSession->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #22 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #23 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #24 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\AddQueuedCookiesToResponse->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #25 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #26 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(66): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #27 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Cookie\\Middleware\\EncryptCookies->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #28 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #29 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #30 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Router.php(682): Illuminate\\Pipeline\\Pipeline->then(Object(Closure)) #31 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Router.php(657): Illuminate\\Routing\\Router->runRouteWithinStack(Object(Illuminate\\Routing\\Route), Object(Illuminate\\Http\\Request)) #32 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Router.php(623): Illuminate\\Routing\\Router->runRoute(Object(Illuminate\\Http\\Request), Object(Illuminate\\Routing\\Route)) #33 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Router.php(612): Illuminate\\Routing\\Router->dispatchToRoute(Object(Illuminate\\Http\\Request)) #34 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\\Routing\\Router->dispatch(Object(Illuminate\\Http\\Request)) #35 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(30): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}(Object(Illuminate\\Http\\Request)) #36 /var/www/html/votes/vendor/proengsoft/laravel-jsvalidation/src/RemoteValidationMiddleware.php(53): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #37 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Proengsoft\\JsValidation\\RemoteValidationMiddleware->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #38 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #39 /var/www/html/votes/vendor/barryvdh/laravel-debugbar/src/Middleware/InjectDebugbar.php(65): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #40 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Barryvdh\\Debugbar\\Middleware\\InjectDebugbar->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #41 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #42 /var/www/html/votes/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #43 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Fideloper\\Proxy\\TrustProxies->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #44 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #45 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #46 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #47 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #48 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #49 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #50 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #51 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #52 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #53 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #54 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/CheckForMaintenanceMode.php(62): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #55 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Illuminate\\Foundation\\Http\\Middleware\\CheckForMaintenanceMode->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #56 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #57 /var/www/html/votes/vendor/itsgoingd/clockwork/Clockwork/Support/Laravel/ClockworkMiddleware.php(29): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #58 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(163): Clockwork\\Support\\Laravel\\ClockworkMiddleware->handle(Object(Illuminate\\Http\\Request), Object(Closure)) #59 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Routing/Pipeline.php(53): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(Illuminate\\Http\\Request)) #60 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(104): Illuminate\\Routing\\Pipeline->Illuminate\\Routing\\{closure}(Object(Illuminate\\Http\\Request)) #61 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(151): Illuminate\\Pipeline\\Pipeline->then(Object(Closure)) #62 /var/www/html/votes/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(116): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter(Object(Illuminate\\Http\\Request)) #63 /var/www/html/votes/public/index.php(55): Illuminate\\Foundation\\Http\\Kernel->handle(Object(Illuminate\\Http\\Request)) #64 {main} Code (markup): How fix it ? composer.json : "type": "project", "require": { "php": "^7.1.3", ... "laravel/framework": "5.8.*", "paypal/rest-api-sdk-php": "*", Code (markup):