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Issue 029TeardownIntegrationsRef 088

Idempotency keys across ERP boundaries: the small contract that prevents large outages

Integrating commerce platforms with ERPs inherently involves distributed transactions. Idempotency keys offer a simple, verifiable contract to prevent duplicate processing, ensuring data integrity and system stability without complex distributed commit protocols.

Tom Williams· Head of Development
5 min readReviewed November 2024
"Idempotency keys are a small contract with a large impact, providing a powerful yet simple mechanism to build resilient and reliable distributed systems."
Written by
Tom Williams, Head of Development at iWeb
Tom Williams
Head of Development
10 years at iWeb

Tom heads the development team at iWeb and leads the data practice across PIM, search relevance, product data and operational commerce systems. He writes about migration economics, punchout, catalogue structure, order-management complexity, and the product-data decisions that quietly shape platform performance long before launch. Particularly focused on B2B operational reality and AI-ready commerce data.

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Issue 028Teardown · Integrations

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Issue 030Teardown · Integrations

OMS to ERP reconciliation: the nightly patterns that survive month-end

Nightly OMS-ERP reconciliation is essential. Even during month-end, the patterns of data flow and common discrepancies remain, impacting financial integrity.

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