How to capture your first payment using <Pay>

In order to use any of Twilio's Pay Connectors, you must enable PCI mode on your Twilio account. This ensures that Twilio will capture the payment details from your customers in a PCI-compliant manner and redact any sensitive PCI information from any call logs.

To enable PCI Mode, complete the following steps:

1. Navigate to the Twilio Voice Settings in the Twilio Console. (In the left navigation pane, click on Voice > Settings > General .)

2. Click on the Enable PCI Mode button.

   
   

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   <?xml version="1.0" encoding="UTF-8"?>

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   <Response>

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   <Say>Calling Twilio Pay</Say>

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   <Pay paymentConnector="Default" action="" chargeAmount="20.45"/>

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   </Response>

   
   

   Notice how the <Pay> verb has three attributes: paymentConnector, action, and chargeAmount.
   The paymentConnector attribute's value is the Pay Connector you want to use with this <Pay> verb. In this case, it's the Generic Pay Connector you just created called "Default".
   The action attribute is left blank for now. This attribute will be a URL. Upon the completion of a <Pay> transaction, Twilio will send a webhook to your action URL to get a new set of TwiML instructions. We'll create an endpoint in the next step that handles the request to this this action attribute.
   The chargeAmount attribute is set to 20.45, representing a charge of $20.45. (If you wanted to create a tokenize transaction, you would set this attribute value to 0 or omit the attribute altogether.)

3. Click the Save button at the bottom of the page.

When <Pay> completes capturing the consumers' credit card the Pay Connector initiates a transaction with the Payment Provider. Next, the Twilio sends an HTTP request to <Pay>'s action URL with a status returned.

You will use Twilio's Serverless Functionsto write and host the endpoint for our action URL. Twilio Functions allow you deploy Node.js-based applications without needing to install anything locally on your own machine.

1. Navigate to the Functions > Services page in your Twilio Console.
2. Click on the Create Service button to create a new Functions service.
3. In the Name your Service pop up, give your service the name pay-with-stripe-action-url
4. Click Next on the Name your Service pop up.

5. In the Functions pane on the top left, rename the /path_1 Function to /pay and hit Enter.

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