Peppol

The 1 August 2026 Peppol change was narrower than pre-cutover coverage suggested. Two hard cutovers remain — 17 August (BIS 3.0 May 2026 Release mandatory) and 31 August (SML DNS migration). Both are upstream of your local validator. Here's the days-until, the exact failure modes, and the reframe on what actually happened on 1 August.

What a Peppol Access Point actually is, what it does on the wire, how SMP/SML discovery works, where the BIS/PINT format split sits, and how the April 2026 G3 PKI cutover changed the operating picture. Written for ERP and B2B SaaS teams deciding whether to operate, buy, or wrap one.