Added in MplusKASSA v11.3.0

Explanation of the event

The startExternalPayment event occurs whenever a external payment method is selected as a payment option.

Part of the External Payment flow

The startExternalPayment event is step one in a multi-step flow that involves the following events: (1) startExternalPayment, (2) pollExternalPayment, (3) requestCancelExternalPayment and (4) cancelExternalPayment.

startExternalPayment A new external payment was started

request

POST https://www.example.com/webhooks/startExternalPayment

X-Mplus-Subscription-Id: example_subscription
X-Mplus-Signature: ...
Content-Type: application/json
Accept: application/json

{
    "externalPayment": {
        "externalPaymentId": "67d8b45a-37bd-4885-b41a-ffb285720654",
        "amount": 2.7,
        "method": "K_WEBHOOK"
    },
    ...
}

Property	Type	Explanation
externalPayment.amount	number	The amount that has to be paid
externalPayment.externalPaymentId	uuid	Each external payment receives a new id.
externalPayment.method	string	The name of the payment method that was configured to trigger the webhook.

response

X-Mplus-Signature: uZucqk+xPZii7TmP1IHOKPoS4/K+8ejNwl7EyxnEzs4=
Content-Type: application/json

{
    "externalPayment": {
        "started": true
    }
}

Property	Type	Explanation
externalPayment.started	boolean	The external payment was started

Voor het gebruik van deze call dienen er financiële afspraken gemaakt te worden met MplusKASSA.