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Re: Payment Initiation - platform integration

From: Joseph Potvin <jpotvin@opman.ca>
Date: Wed, 16 Sep 2015 06:40:47 -0400
Message-ID: <CAKcXiSq0jMu69nvs0e3FJhibf3BNqS1eKPktN2+5q=hyFXfbgA@mail.gmail.com>
To: Web Payments IG <public-webpayments-ig@w3.org>, Web Payments CG <public-webpayments@w3.org>
Is there agreement that:

1. Payment is always specified and initiated from an invoice?

2. UBL 2.1 provides the relevant global standard for an invoice?

Joseph Potvin
Project Coordinator, DataKinetics
Operations Manager | Gestionnaire des opérations
The Opman Company | La compagnie Opman
Mobile: 819-593-5983
LinkedIn <https://www.linkedin.com/pub/joseph-potvin/2/148/423>

On Wed, Sep 16, 2015 at 5:45 AM, Adrian Hope-Bailie <adrian@hopebailie.com>

> Looking at the draft spec from Digital Bazaar for the CG and considering
> both, our language in the charter, and also some of the comments from the
> charter AC review I wondered what precedent there may be in defining how a
> browser should process an API call that requires interaction with the
> platform (host OS).
> The best example I could find is in the Web Notifications PR published
> earlier this month:
> http://www.w3.org/TR/2015/PR-notifications-20150910/#displaying-notifications
> I would like to get the groups' (both IG and CG) views on the parallels
> here between the action "Displaying Notifications" from the Web
> Notifications recommendation and a potential "Initiating Payments" section
> we'd put in a recommendation from our WG.
> The pertinent line from the Web Notifications rec is:
> "Display notification on the device (*e.g. by making the appropriate
> notification platform API call*)." - emphasis mine.
> While I know not all platforms upon which browser's run today have mature
> "payment APIs" in the same way that they have relativley mature
> "notifications APIs" this open-ended approach seems appealing in that it
> avoids the browser needing to become complex payment processing
> applications.
> Rather, the messages passed to the navigator.payments API in the browser
> should simply be passed directly to the platform's payment API (following
> any security or privacy scrutiny or permissions checks we define).
> The timing seems right for us to work with the platform vendors (many of
> whom are also browser vendors that have expressed interest in working on
> this problem) to define a common vocabulary and logical messages for this
> flow.
> *Example:*
> On a mobile platform I see this working similarly to the way Android
> intents may function. The browser passes the payment initiatiation request
> to the platform and the user is prompted with the app selection dialogue
> they are accustomed to for selecting the app they want to use for that
> action (the same way you select which app to use when sharing a photo for
> example).
> Thoughts?
Received on Wednesday, 16 September 2015 10:41:35 UTC

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