Dev Tools · 1h ago
Practical guide to idempotency keys in .NET + Azure APIs
This guide covers implementing idempotency keys for POST endpoints in .NET on Azure, using SQL or Cosmos DB. It details contract design, persistence schema, and a minimal ASP.NET Core middleware. The approach includes request hashing and TTL-based cleanup to prevent duplicate processing.
Meridian48 take
Solid, actionable advice for backend developers, but the focus on Azure-specific services limits broader applicability.
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A practical, “ship-it” guide to idempotency keys, request hashing, persistence, PUT semantics, and de-dup in handlers/queues on .NET + Azure →
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