[Openid-specs-fapi] Practical FAPI/PISP Information

Rob Otto robotto at pingidentity.com
Sat Oct 26 07:29:17 UTC 2019

Yes - would you like to contact me off list and I can try to explain it?

On Sat, 26 Oct 2019 at 07:13, Anders Rundgren via Openid-specs-fapi <
openid-specs-fapi at lists.openid.net> wrote:

> Hi List,
> I'm currently exploring Open Banking APIs for payments.
> I have a hard time finding public  information regarding how to deal with
> OAuth tokens:
> https://standards.openbanking.org.uk/customer-experience-guidelines/pis-core-journeys/single-domestic-payments-supplementary-information/latest/
> http://w3c.github.io/payment-method-credit-transfer/#payer-initiated-through-payee
> Is there any mailing list dealing with such issues?
> This is my current (probably very n00b) problem/question:
> In order to perform any operation you must have a valid OAuth token, right?
> If the payer has no relation with the PISP, a new OAuth token must be
> created for each payment, right?
> Doesn't that lead to building an ever increasing heap of OAuth tokens in
> the ASPSP unless it caches the combination User + PISP?
> Does somebody out there have a complete flow chart for a
> Merchant/PISP/PSU/ASPSP payment?
> thanx
> Anders
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Rob Otto
EMEA Field CTO - Ping Identity
+44 777 135 6092

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