PayPal Making a Credit Card Payment (Node) Node Sample

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Example

Start by installing the PayPal Node module from NPM

npm install paypal-rest-sdk

In your application file, add in the configuration information for the SDK

var paypal = require('paypal-rest-sdk');

var client_id = 'YOUR CLIENT ID';
var secret = 'YOUR SECRET';

paypal.configure({
    'mode': 'sandbox', //sandbox or live
    'client_id': client_id,
    'client_secret': secret
});

We add the requirement for the SDK, then set up variables for the client ID and secret that were obtained when creating an application. We then configure our application using these details, and specify the environment that we are working in (live or sandbox).

Next, we set up the JSON object that contains the payment information for the payer.

var card_data = {
  "intent": "sale",
  "payer": {
    "payment_method": "credit_card",
    "funding_instruments": [{
      "credit_card": {
        "type": "visa",
        "number": "4417119669820331",
        "expire_month": "11",
        "expire_year": "2018",
        "cvv2": "874",
        "first_name": "Joe",
        "last_name": "Shopper",
        "billing_address": {
          "line1": "52 N Main ST",
          "city": "Johnstown",
          "state": "OH",
          "postal_code": "43210",
          "country_code": "US" }}}]},
  "transactions": [{
    "amount": {
      "total": "7.47",
      "currency": "USD",
      "details": {
        "subtotal": "7.41",
        "tax": "0.03",
        "shipping": "0.03"}},
    "description": "This is the payment transaction description." 
}]};

Add an intent of sale, and a payment_method of credit_card. Next, add in the card and address details for the credit card under funding_instruments, and the amount to be charged under transactions. Multiple transaction objects can be placed here.

Lastly, we make a request to payment.create(...), passing in our card_data object, in order to process the payment.

paypal.payment.create(card_data, function(error, payment){
  if(error){
    console.error(error);
  } else {
    console.log(payment);
  }
});

If the transaction was successful, we should see a response object similar to the following:

{
  "id": "PAY-9BS08892W3794812YK4HKFQY",
  "create_time": "2016-04-13T19:49:23Z",
  "update_time": "2016-04-13T19:50:07Z",
  "state": "approved",
  "intent": "sale",
  "payer": {
    "payment_method": "credit_card",
    "funding_instruments": [
      {
        "credit_card": {
          "type": "visa",
          "number": "xxxxxxxxxxxx0331",
          "expire_month": "11",
          "expire_year": "2018",
          "first_name": "Joe",
          "last_name": "Shopper",
          "billing_address": {
            "line1": "52 N Main ST",
            "city": "Johnstown",
            "state": "OH",
            "postal_code": "43210",
            "country_code": "US"
          }
        }
      }
    ]
  },
  "transactions": [
    {
      "amount": {
        "total": "7.47",
        "currency": "USD",
        "details": {
          "subtotal": "7.41",
          "tax": "0.03",
          "shipping": "0.03"
        }
      },
      "description": "This is the payment transaction description.",
      "related_resources": [
        {
          "sale": {
            "id": "0LB81696PP288253D",
            "create_time": "2016-04-13T19:49:23Z",
            "update_time": "2016-04-13T19:50:07Z",
            "amount": {
              "total": "7.47",
              "currency": "USD"
            },
            "state": "completed",
            "parent_payment": "PAY-9BS08892W3794812YK4HKFQY",
            "links": [
              {
                "href": "https:\/\/api.sandbox.paypal.com\/v1\/payments\/sale\/0LB81696PP288253D",
                "rel": "self",
                "method": "GET"
              },
              {
                "href": "https:\/\/api.sandbox.paypal.com\/v1\/payments\/sale\/0LB81696PP288253D\/refund",
                "rel": "refund",
                "method": "POST"
              },
              {
                "href": "https:\/\/api.sandbox.paypal.com\/v1\/payments\/payment\/PAY-9BS08892W3794812YK4HKFQY",
                "rel": "parent_payment",
                "method": "GET"
              }
            ],
            "fmf_details": {
              
            },
            "processor_response": {
              "avs_code": "X",
              "cvv_code": "M"
            }
          }
        }
      ]
    }
  ],
  "links": [
    {
      "href": "https:\/\/api.sandbox.paypal.com\/v1\/payments\/payment\/PAY-9BS08892W3794812YK4HKFQY",
      "rel": "self",
      "method": "GET"
    }
  ],
  "httpStatusCode": 201
}

In this return object, having a state of approved tells us that the transaction was successful. Under the links object are a number of HATEOAS links that provide potential next steps that can be taken on the action that was just performed. In this case, we can retrieve information about the payment by making a GET request to the self endpoint provided.



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