NnRouter.aiinnrouter.hashnode.dev·20h ago · 2 min readTelemetry Headers: The Receipts Every LLM API Response Should CarryWhen an LLM request misbehaves in production, the first question is always the same: what actually happened? Which model served it, did a fallback fire, how many attempts were made, what did it cost? 00
NnRouter.aiinnrouter.hashnode.dev·1d ago · 3 min readThree Ways to Get an LLM Gateway: Aggregator, Self-Hosted, or ManagedThree Ways to Get an LLM Gateway: Aggregator, Self-Hosted, or Managed Once you've decided you need the six jobs — authentication, cost accounting, limits, safety, observability, reliability — the next00
NnRouter.aiinnrouter.hashnode.dev·1d ago · 4 min readA Benchmark Log That Keeps LLM Gateway Retries HonestIf you benchmark an LLM gateway, make the logical request your unit of user-visible success and keep a separate record for every attempt beneath it. That one modeling choice prevents a retry from disa00
NnRouter.aiinnrouter.hashnode.dev·1d ago · 2 min readStop Handing Out Your Master Key: Scoped Virtual Keys for LLM TrafficIf every service in your stack shares one provider API key, you don't have key management — you have a single point of failure with a dozen copies. The fix isn't better safekeeping of the master key. 00
NnRouter.aiinnrouter.hashnode.dev·4d ago · 3 min readStop Guessing: Trace Every LLM Request With One Request IDWhen you run language models in production, observability is usually splintered across three disconnected systems. Application APM metrics tell you a route took 850 milliseconds. Upstream vendor dashb00