# OB-IF-001 — At least one dedicated interface per ASPSP

> Every ASPSP offering a payment account accessible online must have at least one dedicated interface for exchanging data with AISPs and PISPs.

- Article: PSR 35(1)
- Who is bound: ASPSP
- Who it is for: Compliance, API, Operations
- Application: 21 months after entry into force, the general application date (Article 112).
- Level 2: No EBA mandate covers this obligation.
- Origin: RTS 2018/389, Art. 31

Provisional numbering of the April 2026 compromise (Council doc. 8221/26). The final numbering will be added when the Official Journal publishes the text, without changing the id.

## STET 1.6.3: Covered

STET 1.6.3 specifies a dedicated interface for the AISP, PISP and CBPII roles.

- <https://openfinanceguide.com/en/stet/1.6.3/endpoints/aisp>
- <https://openfinanceguide.com/en/stet/1.6.3/endpoints/pisp>
- <https://openfinanceguide.com/en/stet/1.6.3/endpoints/cbpii>

## Sources

- [Council doc. 8221/26, page 238](https://data.consilium.europa.eu/doc/document/ST-8221-2026-INIT/en/pdf#page=238)

Checked on 2026-10-04. https://openfinanceguide.com/en/dsp3/obligations/ob-if-001