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STET PSD2 API

Exchange Schema Open Banking

Created in accordance with the second revision of Payment Services Directive (PSD2), this API aims to provide a secure and easy-to-use set of services to be implemented by European ASPSPs (Account Servicing Payment Service Providers) on the server side for:

STET (France), from their own opening paragraph
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Model Details
Steward STET (France)
Layer Exchange Schema
Domain Open Banking
Status live
Access Not yet established
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How I know this

Compiled for the API Evangelist data model catalog, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 3/3. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
72.3 Current
Access Not established
Assessed 65.0% of the rubric

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

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