PayPal SetExpressCheckout stops working after CreateRecurringPaymentsProfile
node.js,express,paypal,paypal-sandbox,paypal-subscriptions
I have solved my problem by sending GET requests instead of POST. Here are the final fields set and a function I use to send GET requests to PayPal API.
undefined method `paypal_url' for nil:NilClass
ruby-on-rails,paypal,paypal-sandbox
The simple answer is your @cart variable is not being populated with any data The way to fix this is to create a @cart variable in your order_form controller, like so: def order_form @cart = Cart.new cart_params #-> how to define your cart var? redirect_to @cart.paypal_url "/pages/order_online" end I looked...
Adding custom variable to paypal parallel payments IPN PHP
php,paypal,paypal-ipn,paypal-sandbox,paypal-adaptive-payments
Unless paypal fixed something in the last 3 years, the ONLY way I could accomplish this was to send hyphenated data as the item_number "item_number1": "t-253-22768-", This format was "type" - "product id" - "user id" - "discount code"...
PayPal blocking duplicate invoice id in relation to what?
paypal,paypal-ipn,paypal-sandbox
The duplicate invoice feature is for invoices that you have generated for the life of your PayPal Account. Although you do have the ability to turn off the ability to block duplicate invoices in the Payment Receiving preferences section of your PayPal Account, it is not recommended. Part of the...
Paypal payment gateway for credit card/debit card
paypal,opencart,paypal-sandbox,credit-card
Yes, PayPal does process credit/debit card payments without requiring your customers to have PayPal accounts. Although, you'd still need a PayPal merchant account to receive credit/debit card payments using PayPal payment gateway.
Send Extra Custom parameters to PayPal
ruby-on-rails,paypal,payment-gateway,paypal-sandbox
You can use the options variables on0 through on9 for the name and os0 through os9 for the values, or if using the upload command use on0_N and os0_N where N is the item you are uploading eg: amount_1 etc. <input type="hidden" name="on0_1" value="event_name"> <input type="hidden" name="os0_1" value="testing"> <input type="hidden"...
PayPal responsive site when doing preauthorization for adaptive payments.
paypal,paypal-sandbox,paypal-adaptive-payments
Well i kind of answered my own question. For some reason paypal has added flex to all of the adaptive payment apis. It just simply does not allow it for pre-authorization. Its literally the only one. You can do it for future payment pre-authorization...just not adaptive payaments. https://www.paypalobjects.com/webstatic/en_US/developer/docs/pdf/pp_adaptivepaymentsmobile.pdf Basically the...
Verifying Payment in PayPal's iOS SDK neccesary?
Server-to-server calls to PayPal services can help confirm that the payment is authentic, for the expected amount and currency, and that you are the recipient of the payment. If you don’t verify payments, you open yourself to fraud. More information on verifying a mSDK payment can be found here.
How do I use Paypal to sell something and have something in SQL change after the payment is confirmed?
php,sql,paypal,paypal-ipn,paypal-sandbox
After doing more research and searching I found a paypal page called Paypal Integration Wizard. This will generate the code needed for what I have asked. It gives a step by step process and is easy to follow. After reading the code I now understand more on how it works....
How to set a Paypal Sandbox test account address
ok figured it out myself. Basically you need to log into the sandbox as one of your test accounts and then change its address to anything you like. The same goes for details on credit cards. 1- So first logon to the developer site: https://developer.paypal.com/developer 2- Go to Dashboard 3-...
Paypal: “Hi Eugene. Not You?” message - nameOnButton.gif appearing erroneously - Digital Goods Express Checkout
paypal,paypal-sandbox,paypal-adaptive-payments
PayPal adds this greeting to the currently-cookied user on your machine. If you begin the checkout, PayPal will query your (the currently-cookied user) account to begin the checkout process, and depending upon the outcome of security checks may even permit you to check out without logging in again for each...
PayPal payments made to sandbox account instead of live account
paypal,paypal-ipn,paypal-sandbox
The only way I can think anybody could have completed the transaction using a "real" account is if they paid using a credit card through a Payments Pro integration. Are you using Payments Pro? Any money paid to a sandbox account is fake, and no money would actually be transferred....
For Express Checkout, are you required to use the official paypal buttons for checkout?
We use our own buttons on our website and did not have any problems. Buttons are just recommended option for user recognition of familiar button
Send CUSTOM variable to CreateRecurringPaymentsProfile
paypal,paypal-ipn,payment-gateway,paypal-sandbox,paypal-subscriptions
CRPP does not include the custom parameter like other API requests do, however, it does include the PROFILEREFERENCE parameter, which is meant to be treated like an invoice ID. Whatever value you pass here would come back in IPN as rp_invoice_id. So what you can do is save a local...
Basic Paypal Sandbox Authorization and Capture Logic for Express Checkout
php,paypal,paypal-sandbox,paypal-express
Sounds like you've got the gist of it. Express Checkout consists of 3 separate API calls: SetExpressCheckout, GetExpressCheckoutDetails, and DoExpressCheckoutPayment. SEC is just the first step in the process, and yes, there are many more parameters you can include in the calls so that all order data shows up and...
setting auto return in paypal sandbox?
If you want that your customers are redirected automatically,you should also activate the “AutoReturn” feature in your PayPal Account. Login to your PayPal account(www.sandbox.paypal.com) click on Profile click ‘My selling preferences click on Update next to Website preferences set Auto Return to On enter a valid URL in the Return...
Returning a PIN after a successful payment
paypal,paypal-ipn,paypal-sandbox
I would recommend using the Express Checkout API. The payer experience is very similar to standard payment buttons, however, the user is always guaranteed to return back to your site, so you can display whatever you want on your final page. That documentation can be a little scary, but it's...
The remote name could not be resolved: 'api-3t.sandbox.paypal.com'
c#,paypal-sandbox,system.net.webexception
This is a DNS problem, or at least, that's what the exception points to. The machine that is running your code, and failing, is not able to resolve the hostname 'api-3t.sandbox.paypal.com' to an IP address. Potential problems, in order of likelyhood: Your machine does not have a DNS server configured...
Paypal Sandbox error Sorry, an error occurred after you clicked the last link
paypal,paypal-ipn,paypal-sandbox
The only way I am able to recreate this error with your code is by supplying an email address that is not attached to a sandbox account. Try it with a valid sandbox email address: $paypalEmail = '[email protected]pal.com';...
How to hide paypal login option on payment screen
You cannot disable the PayPal option, but you could add some parameters to force the credit card option to be more prominent. Just add the following parameters to your SetExpressCheckout request... SOLUTIONTYPE=Sole LANDINGPAGE=Billing USERSELECTEDFUNDINGSOURCE=CreditCard ...
How to obtain transaction id or other information in paypal mobile SDK
android,paypal,paypal-sandbox,paypal-mobile-sdk
You can retrieve a payment resource using the payment ID returned by the SDK: https://developer.paypal.com/webapps/developer/docs/api/#look-up-a-payment-resource Typically, this would be done from your server and not from the mobile device. The GET operation will require an access token generated using both your client_id and client_secret....
Using Paypal REST api and PHP cURL to post invoice (draft) constantly returns 415 Unsupported Media Type
php,rest,curl,paypal,paypal-sandbox
I discovered the problem: From paypal's invoice documentation: Note: The merchant specified in an invoice must have a PayPal account in good standing. Evidently the sample account "[email protected]" should not be used. When I used my own sandbox account for merchant information everything magically worked... Perhaps someone else might have...
Paypal express show tax amount but not add in to total
php,codeigniter,paypal,paypal-ipn,paypal-sandbox
it is not possible yet but there are 2-3 tricks which you can apply to achieve this. 1. dont add tax for paypal checkout. OR add tax as 0.00 and a label with saying total amount including tax etc. OR at the time of sending item amount to paypal deduct...
Is it possible to do pay-pal chain payments using credit card?
paypal,xcode6,paypal-sandbox,ios8.1
There is a "guest checkout" option enabled in the checkout flow for Adaptive Payments, so people can use a credit card without an account. There isn't any way to collect the card data yourself, though, and process it as a chained payment directly with an API. Technically, you could get...
Phone number is missing with both SetExpressCheckout and GetExpressCheckoutDetails
node.js,paypal,payment-gateway,paypal-sandbox,express-checkout
It looks like the "Require Phone number" setting was not enabled correctly. I have enabled it again for your Sandbox account. You can try again. Alternatively, you can use PAYMENTREQUEST_n_SHIPTOPHONENUM if you want to get the ship to phonenumber.(You need to include REQCONFIRMSHIPPING=1to use this....
Paypal Rest API - Pay with paypal account - leads to error -cookie are not enabled-
c#,asp.net-mvc,paypal,paypal-sandbox
Just so others are aware, you can monitor PayPal site issues on the PayPal Notifications website, which PayPal keeps updated with known service issues and outages. The cookie message issue was reported on Feb. 24th as Issue with Express Checkout and was resolved on Feb. 25th. If you're still experiencing...
customise attribute/multiple tax on paypal order summary?
c#,php,html,paypal,paypal-sandbox
1) You can use the "custom" parameter to include any custom data you need to pass in the request. The field is literally called custom, and you can send up to 256 characters in this field. 2) Payments Standard only supports passing a single tax amount (that you calculate yourself)...
10609 Transaction id is invalid in paypal sanbox
You do not need to call DoCapture -- and indeed cannot call DoCapture -- to capture a sale transaction. A sale transaction, which is what you did in DoExpressCheckout, immediately transfers the money to your account. The transaction is complete as soon as DoExpressCheckout returns. If you want to only...
CreateAndSendInvoice using PayPal from Parse.com Cloud Code
javascript,paypal,parse.com,paypal-sandbox,cloud-code
Ok. It's a real stupid mistake. There's a space between 'X-PAYPAL-APPLICATION-ID and '. It's just weird why PayPal didn't respond with a Auth failure message.
Send Name and Phone to Paypal Checkout
PayPal does not use those fields that way. Fields that describe what is being purchased are likely to be put into emails to the seller & the buyer because they deem that information to be of interest to both parties. Still, these fields are used to create a description of...
While checking out, PayPal displays merchant name as test store at sandbox environment.
You will need to change the business name on the merchant account. It will be located in the "Business Information" section of the account profile.
How do I create sandbox users?
Once you create your account, You will find an menu "Dashboard" Click on that. After that in the side menu you will find Sandbox->accounts, here you will find create account button. For further refernce follow:- https://developer.paypal.com/docs/classic/lifecycle/sb_create-accounts/ ...
Paypal SDK Problems with OAuthTokenCredential
php,pdo,paypal,paypal-sandbox,paypal-rest-sdk
You did not put in the use statement for OAuthTokenCredential.
Paypal REST API SDK - Activating a billing plan in C#
c#,paypal,paypal-sandbox,paypal-subscriptions
When updating a plan, you'll need to set the Patch.value property to a new Plan object containing the fields you'd like to replace (setting the state to ACTIVE in this case). Also, you'll need to set the Patch.path property to just "/". In your code, do the following: Patch xPatch...
Paypal IPN for E-Cheque not sending mc_fee
paypal,paypal-ipn,paypal-sandbox
Yes, the fee will be included with the IPN for the cleared/completed payment. Here's a sample of a cleared echeck IPN. Array ( [mc_gross] => 25.00 [invoice] => 4145 [item_mpn1] => [protection_eligibility] => Ineligible [item_count_unit1] => 0 [item_number1] => 20 [tax] => 0.00 [payer_id] => WZQB555NMG [payment_date] => 08:56:21 Sep...
Problems With Paypal Express Checkout Integration (WEBREQUEST)
asp.net,vb.net,paypal,paypal-sandbox,paypal-express
OK, so it's now clear that you're not getting any response from the server because your server isn't able to connect to PayPal's servers at all. Hence, you got no server-response and the message Unable to connect to the remote server. When I tested, I got a HTTP 200 response...
How to log into my auto-created PayPal developer sandbox account?
It should the same password as your LIVE account. If it does not work, try to change the password in developer.paypal.com->Applications->Sandbox Accounts->Profile->Change Password.
Paypal REST API does not show up payment amount on Paypal Sandbox or live sites
php,paypal,paypal-sandbox,paypal-rest-sdk
Create and add ItemList with at least one item to your transaction. Here is an example: $payer = new Payer(); $payer->setPaymentMethod("paypal"); $amount = new Amount(); $amount->setCurrency($paymentCurrency); $amount->setTotal($paymentAmount); $item = new Item(); $item->setQuantity(1); $item->setName($paymentDescription); $item->setPrice($paymentAmount); $item->setCurrency($paymentCurrency); $itemList = new ItemList(); $itemList->setItems(array($item)); $transaction = new Transaction();...
Exception Using PayPal-PHP-SDK [Http response code 400]
php,pdo,paypal,paypal-sandbox,paypal-rest-sdk
Make this code change. PPConnectionException was renamed to PayPalConnectionException. You could also do $e->getData() to retrieve detailed exception message. } catch (PayPalConnectionException $e) { echo $e->getData(); // Perhaps log an error header('Location: ../PayPall/error.php'); } ...
Paypal Sandbox - notify url issue
php,laravel,paypal,paypal-ipn,paypal-sandbox
So after 3 days battle finally resolved this. Instead of typing "localhost" in my browser, I have typed my external IP - the one that I am sending to Paypal, to test my application. And my notify URL was called successfull. No idea why, but this resolved the issue.
PayPal Error 10002 Using Permissions API and TransactionSearch
I found the answer, I was missing the "SUBJECT" parameter on the parameter string being sent for the payment. So just in case anyone else runs across this in the future the full code after getting the permissions tokens to run a test payment for the sandbox is: def test_sales(self,...
Magento Paypal IPN is not working
magento,paypal-ipn,paypal-sandbox
Finally I found the solution after reviewing in deep. This was cause to due "USER Agent" HTTP Header in request. You can update this on Ipn.php file. Just replace the below line from this function on app/code/core/Mage/Paypal/Model/Ipn.php (Don't apply on core file. Add it on local dir) protected function _postBack(Zend_Http_Client_Adapter_Interface...
PayPal Rest SDK API - Get Token
php,curl,paypal,paypal-sandbox,paypal-rest-sdk
From looking at the SDK code, the OAuthTokenCredential constructor method doesn't take a $config parameter but the getAccessToken() method does. Here are the methods from the OAuthTokenCredential class code: public function __construct($clientId, $clientSecret) { ... } public function getAccessToken($config) { ... } The following should get an access token for...
Paypal payflow link setup no “PayPal Express Checkout” feildset
paypal,paypal-sandbox,paypal-adaptive-payments,express-checkout
You need to contact the PayPal support team as they need to enable some setting on your Payflow account . Once its enabled you will see the option there to put your PayPal email address .
How to configure CreditCard class in Omnipay?
codeigniter,paypal-sandbox,omnipay
Classes are loaded, but you need to point at those. And you are doing that with keyword use. Otherwise you could pass something like: $gateway = Omnipay\Omnipay::create('PayPal_Pro');//not quite sure if you need backslash infront of vendor name Or same way you could invoke CreditCard instance: $card = new Omnipay\Common\CreditCard($cardInput); That...
django paypal notify_url not configured correctly or working
django,python-2.7,paypal,paypal-ipn,paypal-sandbox
First off @mcastle Thank you so much for your help. But I just couldn't figure out the Django signals. Ok so what I had to do in the end is go to the paypal.standard.ipn.views file and import my app and call the show_me_the_money view from there at the very bottom...
Paypal HttpHostConnectException
According to the discussion with the OP in the comment section, I'm pretty sure it's a firewall issue. It's impossible to connect through telnet with the port 443, whatever the target, google or paypal. This diagram, found in this answer is pretty useful when you are stuck like this :...
Paypal recurring: trial amount charged immediately or not?
paypal,paypal-sandbox,paypal-subscriptions,recurring-billing,paypal-rest-sdk
The trial amount would be charged on whatever day is set as the profile start date. If it's setup for the current day, it would charge that day, but not necessarily immediately. The initial amount would be charged immediately and is treated more like an additional charge on top of...
How to set locale code in CreateRecurringPaymentsProfile method - Paypal
LOCALCODE variable allows to set the language on the PayPal checkout page only before they login . But once they login to their PayPal account the language preferences they have set in their PayPal account will be shown . You can set the language for your PayPal account at the...
PayPal Rest API - End Point Used
paypal,paypal-sandbox,paypal-rest-sdk
The best way I would recommend is to create an ApiContext object similar to shown at https://gist.github.com/jaypatel512/a2b037ab5ddc51fa7280 <?php // 1. Autoload the SDK Package. This will include all the files and classes to your autoloader require __DIR__ . '/PayPal-PHP-SDK/autoload.php'; // 2. Provide your Secret Key. Replace the given one with...
Get Paypal Express cart Price right before checkout
asp.net,vb.net,paypal,paypal-sandbox,paypal-express
You can pass shopping cart values in the provided variable from the following url reference, https://developer.paypal.com/docs/classic/paypal-payments-standard/integration-guide/Appx_websitestandard_htmlvariables/#id08A6HF080O3
PayPal Sandbox Multi-Currency MYR [closed]
paypal,paypal-sandbox,currency
According to the PayPal Currency Documentation Malaysian Ringgit (only for Malaysian members) MYR. You can use the above link to assist you with your currency choices since it comes directly from the PayPal published currency list. ...
Paypal sdk asp.net return (400) Bad Request
asp.net,asp.net-mvc,paypal,paypal-sandbox,paypal-rest-sdk
Your sandbox account doesn't seem to be pro . I just reactivated the pro on it . It should be fine now if you try to process a card payment .
Paypal sandbox all payments are pending and all pending status is unilateral
.net,vb.net,paypal,paypal-sandbox
It seems like the receiver email "[email protected]" address you are trying to use doesn't even exist . I mean you need to make sure that you have a sandbox account with the email address "[email protected]" . If you send the payments to an email address that doesn't exist , You...
Response 401 when accessing PayPal sandbox Rest API
php,paypal,paypal-sandbox,paypal-rest-sdk
There was one typo in the PHP which gave me wrong access_token. Interestingly, the POST method to create new payment was still allowed that confused me.
Request timeout when testing an express checkout integration
Well, it seems that paypal doesn't like the url in the way I wrote it, so I've changed the HttpURLConnection for org.apache.http.client.methods.HttpPost, so this is my code (working): HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost(SANBOX_URL); post.setHeader("User-Agent", "Mozilla/5.0"); List<NameValuePair> urlParameters = new ArrayList<NameValuePair>(); urlParameters.add(new BasicNameValuePair(USER, "SANDBOX_USER")); urlParameters.add(new BasicNameValuePair(PASSWORD,...
Not able to login into paypal sandbox business PRO account
I've contacted Paypal Tech Support the bug is fixed now
Respons is not coming sometime in paypal pro api
paypal,paypal-sandbox,paypal-subscriptions
i have actually the same problem on my developer site and i think it can be caused by firewalls http authentication on the web server or maybe this point See Here ...
PayPal Pay Operation - error 81002
The method PAY doesn't exist on the NVP api. Full list of methods supported by that API is found here. The PAY method, however, is defined in the Adaptive Payments API. Depending on your needs, you have two options: Change the endpoint to https://svcs.paypal.com/AdaptivePayments/PAY and modify your values Use another...
errors in PHP Paypal pay request
php,pdo,paypal,paypal-sandbox,paypal-rest-sdk
Undefined index means the parameter you're expecting was not available. So apparently your form is not including a book_id field. What you can do to help troubleshoot is add the following to the page that receives the POST data to see exactly what it is receiving. echo '<pre />'; print_r($_POST);...
Website Payment Pro Hosted Page Solution
paypal,paypal-sandbox,website-payment-pro
PayPal's Website Payments Pro has ways for you to get this information, but they look very different from the Payflow product. (The Payflow product was built by a different company that was later acquired by PayPal, which is why the two products look entirely different.) The "PayPal way" to get...
PayPal Web Payments Pro Hosted - Credit Card payment confirmation page
It turns out that showHostedThankyouPage=true was causing this issue. I am using the .NET button API to generate the request for the iFrame like so: var service = new PayPalAPIInterfaceServiceService(GetConfig(request)); var createButtonResponse = service.BMCreateButton(new BMCreateButtonReq { BMCreateButtonRequest = new BMCreateButtonRequestType { ButtonType = ButtonTypeType.PAYMENT, ButtonCode = ButtonCodeType.TOKEN, ButtonCountry = countryCodeType,...
Paypal IPN verified but not updating database
I suggest you break the code into parts that can be debugged and fixed more easily. Since you're working with PayPal IPN, you should first test that the IPN response is correctly recieved and verified. If your logger works, then first debug that part using the log file. If you...
Can't get Paypal Sandbox to work
Here's one possibility. I was running into that same error just a couple of days ago and realized what it was. I have 2 separate PayPal accounts that are setup with developer.paypal.com. They each have 3 or 4 sandbox accounts created within them. I had just recently been to developer.paypal.com...
Not receiving PayPal IPN when in SandBox mode
paypal,paypal-ipn,paypal-sandbox
After I enabled the IPN for the particular sandbox business account then the IPNs started showing up. I wish they would update their documentation to explicitly state that the business account that is used in sandbox needs to also have it's IPN enabled. And to do that you need to...
adaptive payment paypal work with standard pay pal account
paypal,payment-gateway,payment,paypal-sandbox,paypal-adaptive-payments
You need to have the following: A PayPal Business Account(Confirmed email and verified account) PRO account not required. Need to create a application at apps.paypal.com and submit(Adaptive Payment is a special feature which needs a application to be submitted and approved by app review team. Once app is approved, you...
Paypal response avscode (Master Card) is always “X”
php,magento,paypal,paypal-sandbox
Cards, and therefore AVS verification, are not real in the sandbox. AVS is a check that the card issuer makes against the billing address on the card, not a check that PayPal makes against PayPal account addresses (note that PayPal accounts don't even a "billing address" per se). No (real)...
Making Test Requests from Unity3D
c#,paypal,unity3d,paypal-sandbox,sandbox
It should work if you change the serverURL parameter to "https://www.sandbox.paypal.com", as denoted on the documentation available at https://developer.paypal.com/webapps/developer/docs/classic/lifecycle/sb_overview/ .
Modify PayPal Express Checkout custom parameter after payment
paypal,paypal-ipn,paypal-sandbox
No, that cannot be modified later. What I would recommend is to create the customer record in your system prior to sending the user over to PayPal. You could create it with a pending status or something like that, and then update the status once the payment is completed. This...
We’re sorry, we can’t complete your payment now. Please try again later - PayPal Payments Pro
It turns out the credit card number I was using for SandBox was wrong. You need to log into your Sandbox account and look at the profile. Within that, you will see a credit card number you are allowed to test with. I also added "paymentaction=sale" to my button request....
working and integrating paypal payment pro [closed]
javascript,php,paypal,payment-gateway,paypal-sandbox
I am actually the writer of that tutorial. :) It is till relevant and works just fine if you follow those procedures. Payments Pro is just for credit cards. You don't need Pro for other APIs, so if you're just trying to work with Express Checkout you don't need Pro....
Paypal Rest API With Credit Cart Payment Method
c#,asp.net,paypal,paypal-sandbox
Please refer Paypal pro API. I think that is good for you and provide better knowledge for you.
Credit Card Options in Paypal Express Checkout
By default Express Checkout is for PayPal accountholder payments; originally you would pair this with some other product for credit card payments (such as collecting the card information on your site and calling PayPal DirectPay or some other card processing partner). PayPal also has several somewhat-similar products that collect the...
Paypal CC Direct Payment error
paypal,payment-gateway,paypal-sandbox
Got it working !! Here's the working code: $apiContext = new \PayPal\Rest\ApiContext( new \PayPal\Auth\OAuthTokenCredential( $credentials['clientId'], $credentials['secret'] ) ); $apiContext->setConfig( array( 'log.LogEnabled' => true, 'log.FileName' => '../app/storage/paypal/PayPal.log', 'log.LogLevel' => 'FINE' ) ); $card = new CreditCard(); $card->setType("visa") ->setNumber("xxxxxxxxxxxxxxxxx") ->setExpireMonth("11") ->setExpireYear("2019") ->setCvv2("012") ->setFirstName("Joe")...
Does PayPal Sandbox send emails?
The sandbox environment doesn't send emails. You can just check the notifications inside your developer account only.
Subscription Code won't work…or is it my account
paypal,paypal-sandbox,paypal-subscriptions
Make certain that you setup a sandbox test buyer account, and use your test buyer account login to test the button. This is because the PayPal server will not allow you to use the same seller account to make a purchase or create a subscription even for test purposes. Developer...
MassPay Single Good/Bad Ack for Multiple Payees
It's been suggested to rely on Instant Payment Notifications (IPN) to receive the result of processing individual mass pay items. That's exactly it. MassPay is batched, the 'ACK=Success' merely means "hey, success! You've submitted the requests!". If you need to track the outcome, use IPN....
SANDBOX REST API: Getting “INTERNAL_SERVICE_ERROR”
Turned out it was just the issue of using the wrong credit card number. When I used the credit card number provided in sandbox text account profile, everything worked. None of the numbers on this page worked for me. http://www.paypalobjects.com/en_US/vhelp/paypalmanager_help/credit_card_numbers.htm...
Paypal transaction type
I Think you are referring to the cmd variable for your form. For ex. if you want to use a simple buy now button you can use _xclick value for cmd variable. Check this out: List of PayPal HTML variables...
Android: Using Paypal SDK Add to cart can be implemented
Jeff from PayPal here. Unfortunately, the SDK can only be used for one-time checkout, and future payment authentication. The 'cart' functionality that you desire is not currently available. You can, however, use the newly added multi-item support to list your items individually to the server, so a user view each...
paypal sdk 'Class 'PayPal\Rest\ApiContext' not found'
php,rest,paypal,paypal-sandbox
I am not sure if you are still facing this issue, but I would recommend going through the documentation mentioned here. This should help you find the reason why you are getting this error. Also, making your first call documentation would really help get you started....