react-paypal-button-v3

:large_blue_diamond: react-paypal-button-v3

An easy and simple to use React button component to implement PayPal's Checkout with Smart Payment Buttons v3 (Version 2).

Check out the docs for a complete documentation.

:information_source: This PayPal Checkout integration uses the PayPal JavaScript SDK. Starting at the beginning of February 2019, all new users must use PayPal's version 2 integration as version 1 is now depreciated.

Index

1. Prerequisites

2. Install

3. Usage Example

4. Production Example

5. API

6. :books: Props

7. options Prop Fieldnames/Parameters

8. Alternative Usage Example

9. Alternative Production Example

10. Example Project

11. Contribute

12. License

---

:large_blue_diamond: Prerequisites

To use PayPal's Smart Payment Buttons in prodution, you must have a PayPal Business account set up and verified. After this is done, you'll have access to your API credentials to use with this button.

Once you have your account set up, you will have 2 different sets of credentials for sandbox mode and production mode. You will also be able to create sandbox business and customer accounts to be tested on.

:large_blue_diamond: Install

Type in the following to the command line to install the dependency.

$ npm install react-paypal-button-v3 --save

or

$ yarn add react-paypal-button-v3

---

:large_blue_diamond: Usage Example

Add an import to the top of the file. At minimal, declare the PayPalButton component in the render() method providing a string for the amount prop and a function to the onSuccess prop.

If you like react-paypal-button-v3, please be sure to give it a star at GitHub. Thanks.

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        amount="0.01"
        // shippingPreference="NO_SHIPPING" // default is "GET_FROM_FILE"
        onSuccess={(details, data) => {
          alert("Transaction completed by " + details.payer.name.given_name);

          // OPTIONAL: Call your server to save the transaction
          return fetch("/paypal-transaction-complete", {
            method: "post",
            body: JSON.stringify({
              orderID: data.orderID
            })
          });
        }}
      />
    );
  }
}

For alternative usage, go to the Alternative Usage Example Section.

To create subscriptions, go to the Subscriptions Example Section.

---

:large_blue_diamond: Production Example

At minimal, declare the options prop and include your business production Client ID in the clientId fieldname value.

If you like react-paypal-button-v3, please be sure to give it a star at GitHub. Thanks.

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        amount="0.01"
        // shippingPreference="NO_SHIPPING" // default is "GET_FROM_FILE"
        onSuccess={(details, data) => {
          alert("Transaction completed by " + details.payer.name.given_name);

          // OPTIONAL: Call your server to save the transaction
          return fetch("/paypal-transaction-complete", {
            method: "post",
            body: JSON.stringify({
              orderId: data.orderID
            })
          });
        }}
        options={{
          clientId: "PRODUCTION_CLIENT_ID"
        }}
      />
    );
  }
}

For alternative usage, go to the Alternative Production Example Section.

To create subscriptions, go to the Subscriptions Example Section.

:large_blue_diamond: API

<PayPalButton /> component accepts the following props...

:large_blue_diamond: Props

Props	Description	Type	Default
amount	The amount value of the transaction.	string or number
currency	The currency of the transaction.	string	"USD"
shippingPreference	The shipping preference: Displays the shipping address to the customer. Enables the customer to choose an address on the PayPal site. Restricts the customer from changing the address during the payment-approval process. Options: NO_SHIPPING, GET_FROM_FILE, SET_PROVIDED_ADDRESS	string	"NO_SHIPPING"
onSuccess	The successful completion of the transaction. (details: object, data: object) => void	Function
catchError	Transaction declined or errored. (err: object) => void	Function
options	You can customize the integration by passing different query parameters/fieldnames into the options prop object which will pass it to https://paypal.com/sdk/js. These parameters help PayPal decide the optimal funding sources and buttons to show to your buyers. Before configuring the options prop, make sure you haven't manually added the script tag for https://paypal.com/sdk/js. For a list of parameters/fieldnames, go to section options Prop Fieldnames/Parameters.	object	{clientId: "sb", currency: "USD"}
onButtonReady	A function called when PayPal's API is loaded. () => void	Function
onError	If an error prevents buyer checkout. This error handler is a catch-all. Errors at this point are not expected to be handled beyond showing a generic error message or page. (err: object) => void	Function
createOrder	A function called when the buyer clicks the PayPal button. Calls PayPal using the actions.order.create() to set up the details of the transaction. (data: object, actions: object) => void	Function
onApprove	A function called when the buyer approves the transaction on paypal.com. Calls PayPal using the actions.order.capture() to capture the funds from the transaction. Optionally calls PayPal using actions.order.get() to get the transaction details. (data: object, actions: object) => void	Function
createSubscription	A function that calls the PayPal subscription using the actions.subscription.create() to set up the details of the transaction. Subscriptions Example Section. (data: object, actions: object) => void	Function
createBillingAgreement	A function that calls the PayPal billing agreement using the paypal.billingAgreement.create() to set up the details of the transaction. (data: object, actions: object) => void	Function
style	PayPal Checkout offers several style options that you can use to customize the look and feel of your Smart Payment Button. You can also display multiple funding sources to the buyer, when appropriate. See more on what to input in the style object at Customize the PayPal Buttons page.	object	{}
onShippingChange	A function called when the buyer initially logs into their account, submits their billing/payment information, or makes a change to their shipping address on the review your payment page. (data: { paymentToken: string, shipping_address: object, selected_shipping_method: string }, actions: { resolve: Function, reject: Function, order: Function }) => Function	Function
onClick	A function called on PayPal button click. Can be used for validation. (data: object, actions: object) => void	Function
onCancel	Show a cancellation page or return to the shopping cart. (data: object) => void	Function

:information_source: Learn more about the integration proccess along with more props and advance use cases starting at PayPal's docs.

---

:small_blue_diamond: options Prop Fieldnames or Parameters

You can customize the integration by passing different query parameters/fieldnames into the options prop object which will pass it to https://paypal.com/sdk/js. These parameters help PayPal decide the optimal funding sources and buttons to show to your buyers. Before configuring the options prop, make sure you haven't manually added the script tag for https://paypal.com/sdk/js.

Option	Description	Type	Default
clientId	Your PayPal REST client ID. While you're testing in sandbox, you can use client-id=sb as a shortcut.	string	"sb"
currency	The currency of the transaction.	string	"USD"
merchantId	The merchant for who you are facilitating a transaction.	string	automatic
intent	The intent of the payment.	string	"capture"
commit	Set to true if the transaction is Pay Now, or false if the amount captured changes after the buyer returns to your site.	boolean or string	true
vault	Set to true if the transaction sets up a billing agreement, or uses a vault.	boolean or string	false
components	A comma-separated list of components to enable. Defaults to allow Smart Payment Buttons. Other components are optional.	string	buttons
disableFunding	Funding sources to disallow from showing in the Smart Payment Buttons.	string	none
disableCard	Cards to disable from showing in the Smart Payment Buttons.	string	none
integrationDate	The date of integration. Used to ensure backwards compatibility.	string	automatic
locale	The locale used to localize any components. PayPal recommends not setting this parameter, as the buyer's locale is automatically set by PayPal.	string	automatic
buyerCountry	The buyer country. For testing purposes only.	string	automatic
debug	Enable debug mode for ease of debugging. Do not enable for production traffic.	boolean or string	false

:information_source: To see a detail and complete list of available parameters and values, go to PayPal's Customization page.

:large_blue_diamond: Alternative Usage Example

Usage Example 1

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        createOrder={(data, actions) => {
          return actions.order.create({
            purchase_units: [{
              amount: {
                currency_code: "USD",
                value: "0.01"
              }
            }],
            // application_context: {
            //   shipping_preference: "NO_SHIPPING" // default is "GET_FROM_FILE"
            // }
          });
        }}
        onApprove={(data, actions) => {
          // Capture the funds from the transaction
          return actions.order.capture().then(function(details) {
            // Show a success message to your buyer
            alert("Transaction completed by " + details.payer.name.given_name);

            // OPTIONAL: Call your server to save the transaction
            return fetch("/paypal-transaction-complete", {
              method: "post",
              body: JSON.stringify({
                orderID: data.orderID
              })
            });
          });
        }}
      />
    );
  }
}

Usage Example 2

Add the PayPal script to your web page, then add your sandbox or production client-id to the script tag. While you're testing in sandbox, you can use client-id=sb as a shortcut.

<script src="https://www.paypal.com/sdk/js?client-id=sb" />

Query Parameters

Option	Description	Type	Default
client-id	Your PayPal REST client ID. While you're testing in sandbox, you can use client-id=sb as a shortcut.	string	"sb"
currency	The currency of the transaction.	string	"USD"

To see a detail and complete list of available parameters and values, go to PayPal's Customization page.

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        amount="0.01"
        // shippingPreference="NO_SHIPPING" // default is "GET_FROM_FILE"
        onSuccess={(details, data) => {
          alert("Transaction completed by " + details.payer.name.given_name);

          // OPTIONAL: Call your server to save the transaction
          return fetch("/paypal-transaction-complete", {
            method: "post",
            body: JSON.stringify({
              orderID: data.orderID
            })
          });
        }}
      />
    );
  }
}

Subscription Example Usage

To create subscriptions you must first create a product and create a plan using the PayPal REST API.

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        options={{vault: true}}
        createSubscription={(data, actions) => {
          return actions.subscription.create({
            plan_id: 'P-XXXXXXXXXXXXXXXXXXXXXXXX'
          });
        }}
        onApprove={(data, actions) => {
          // Capture the funds from the transaction
          return actions.subscription.get().then(function(details) {
            // Show a success message to your buyer
            alert("Subscription completed");

            // OPTIONAL: Call your server to save the subscription
            return fetch("/paypal-subscription-complete", {
              method: "post",
              body: JSON.stringify({
                orderID: data.orderID,
                subscriptionID: data.subscriptionID
              })
            });
          });
        }}
      />
    );
  }
}

---

:large_blue_diamond: Alternative Production Example

At minimal, add the PayPal script to your web page, then add your production client-id to the script tag.

<script src="https://www.paypal.com/sdk/js?client-id=PRODUCTION_CLIENT_ID" />

Query Parameters

Option	Description	Type	Default
client-id	Your PayPal REST client ID.	string	"sb"
currency	The currency of the transaction.	string	"USD"

To see a detail and complete list of available parameters and values, go to PayPal's Customization page.

import { PayPalButton } from "react-paypal-button-v3";

export default class Example Component {
  render() {
    return (
      <PayPalButton
        amount="0.01"
        // shippingPreference="NO_SHIPPING" // default is "GET_FROM_FILE"
        onSuccess={(details, data) => {
          alert("Transaction completed by " + details.payer.name.given_name);

          // OPTIONAL: Call your server to save the transaction
          return fetch("/paypal-transaction-complete", {
            method: "post",
            body: JSON.stringify({
              orderID: data.orderID
            })
          });
        }}
      />
    );
  }
}

:large_blue_diamond: Example Project

Perform steps 1-2 to run locally:

1. Clone the Repo
2. Install and Run

:small_blue_diamond: 1. Clone the Repo

Clone react-paypal-button-v3 locally. In a terminal, run:

$ git clone https://github.com/Luehang/react-paypal-button-v3.git react-paypal-button-v3

:small_blue_diamond: 2. Install and Run

$ cd react-paypal-button-v3/
$ npm install
$ npm run start

:large_blue_diamond: Contribute

Pull requests are welcomed.

:small_blue_diamond: Beginners

Not sure where to start, or a beginner? Take a look at the issues page.

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:large_blue_diamond: License

Apache 2.0 © Lue Hang, as found in the LICENSE file.