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PayPal Smart Payment Buttons

Smart Payment Buttons application, including:

  • Server-side buttons renderer
  • Client side logic

Please note: this repo is not intended as a public entry point into the smart buttons. Please see:

Development

Running the development server

npm install
npm start

Then load http://localhost/smart/buttons?clientID=alc_client1 in your browser.

Release

Release a new version

npm run release

Activate traffic on the new version

npm run activate

Activate traffic on a specific version

npm run activate 2.0.123

Activate traffic on a specific version to a specific environment

npm run activate 2.0.123 sandbox

Activate traffic on a specific version to multiple specific environments

npm run activate 2.0.123 'local stage sandbox'

Using local paypal-checkout-components

This repo uses the button renderer from github.com/paypal/paypal-checkout-components. To pull in local changes from paypal-checkout-components to this module:

Preflight call

This section is relevant to integrations passing data-user-id-token, for vaulted/one-click button renders.

Rendering the vaulted button can be time consuming. The Smart Buttons server allows a pre-flight call to be made. This pre-caches the button, ready to be rendered immediately when the buyer lands on your page. This should typically be done in one of the following places:

  • On a page immediately prior to displaying the Smart Buttons
  • On a single-page app prior to displaying the Smart Buttons, if the Smart Buttons are displayed after a user action
  • On the server-side prior to rendering the cart or checkout page containing the Smart Buttons

To invoke, simply make a call to the following URL:

https://www.paypal.com/smart/buttons/preload?client-id=CLIENT_ID&user-id-token=ID_TOKEN

The following URL params can be passed:

  • client-id: (required) Your PayPal client id
  • user-id-token: (required) Your customer's id token
  • merchant-id (optional) The merchant id or email of the transaction payee
  • amount: (optional) The estimated amount of the transaction
  • currency: (optional) The currency of the transaction

This request can be made as a fire-and-forget call: you do not need to wait for a response, or check the status code of the response.

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