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Check credit limit, open items and payment terms in real time from SAP, Dynamics or DATEV in the B2B checkout to control invoice purchase and order release.
NIS2 has applied since December 2025: inventory ERP-to-shop interfaces, encrypt them end-to-end via TLS and secure them with OAuth 2.0, OpenID Connect and mTLS.
OCI and cXML Punchout connect your B2B shop to SAP purchasing and e-procurement: HTTP session handoff, cart return, customer-specific catalogues and prices.
With Business Central 2026 Wave 1 (BC28), API v1.0 is removed. Migrate your shop connector to API v2.0 in time, before order and stock sync breaks.
E-invoice mandate 2027 for B2B merchants above 800,000 euro: generate ZUGFeRD and XRechnung from shop order data and hand them to DATEV, GoBD-compliant.
Connect a shop to SAP clean-core: with the Integration Suite (Cloud Integration, API Management, Event Mesh) the link survives the S/4HANA cut in 2027.
Observability for ERP-store interfaces: logs, metrics and traces make sync errors visible before customers notice. Early detection instead of damage control.
How events and message queues enable decoupled, resilient shop integrations: retry, partitioned ordering, idempotency and the dead letter queue explained.
API versioning for shop interfaces: URI and header strategies, deprecation processes and backward compatibility for maintainable, long-lasting integrations.