When using this integration, WhatsApp only facilitates the communication between merchants and buyers. Merchants are responsible for integrating with a PSP from which they can generate Boleto codes, and confirm their payment.

Before you start

Familiarize yourself with the Orders API. Orders are the entrypoint for collecting payments in WhatsApp.

You will need an existing integration with a PSP to generate Boleto codes and do automatic reconciliation when a payment is made.

You must update the order status as soon as a payment is made.

Integration steps

The following sequence diagram shows the typical integration with Boleto.

1. Send an Order Details message

Follow the full integration guide in the Orders API page.

If Boleto payment is available on this order, you will need to provide a boleto object in the payment_settings attribute.

Endpoint

POST /{PHONE_NUMBER_ID}/messages

Payload example

{
  "recipient_type": "individual",
  "to": "<PHONE_NUMBER>",
  "type": "interactive",
  "interactive": {
    "type": "order_details",
    "body": {
      "text": "Your message content"
    },
    "action": {
      "name": "review_and_pay",
      "parameters": {
        "reference_id": "unique-reference-id",
        "type": "digital-goods",
        "payment_type": "br",
        "payment_settings": [
          {
            "type": "boleto",
            "boleto": {
              "digitable_line": "03399026944140000002628346101018898510000008848"
            }
          }
        ],
        "currency": "BRL",
        "total_amount": {
          "value": 50000,
          "offset": 100
        },
        "order": {
          "status": "pending",
          "tax": {
            "value": 0,
            "offset": 100,
            "description": "optional text"
          },
          "items": [
            {
              "retailer_id": "1234567",
              "name": "Cake",
              "amount": {
                "value": 50000,
                "offset": 100
              },
              "quantity": 1
            }
          ],
          "subtotal": {
            "value": 50000,
            "offset": 100
          }
        }
      }
    }
  }
}

Parameters object

Field Name	Optional?	Type	Description
`payment_settings`	Optional	Payment Settings Object	List of payment related configuration objects.

Payment settings

Field Name	Optional?	Type	Description
`type`	Required	String	Must be `boleto`.
`boleto`	Required	Boleto Object	Boleto object that will be used to render the option to buyers during the checkout flow.

Boleto object

Field Name	Optional?	Type	Description
`digitable_line`	Required	String	The Boleto digital line / code which will be copied to the clipboard, when user taps on the Boleto CTA button.

2. Send an order status update

Once the payment is confirmed, you must send an order status update. Follow the integration guide in the Orders API page.

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