Protocol internals

A practical walkthrough for engineering teams to inventory, isolate, store, monitor, rotate, and revoke API keys without slowing delivery.

Configure the Anthropic Python SDK for a custom endpoint, verify authentication and model IDs, and test errors, streaming, and production behavior.

A numbered walkthrough for retrying model requests safely, controlling duplicate work, and protecting tool execution from repeated side effects.

A practical walkthrough for measuring API latency, streaming responsiveness, retries, and tail performance inside your application.

A numbered walkthrough for separating project API keys, securing deployments, tracking usage, and rotating credentials without disruption.

Build reliable API workloads with bounded queues, shared concurrency budgets, deadline-aware retries, and practical overload tests.

Build reliable SSE streaming with correct event parsing, incremental rendering, cancellation, and explicit completion handling.

A practical walkthrough for classifying 429 responses, respecting retry delays, controlling concurrency, and testing graceful recovery.

A numbered walkthrough for tracing relay authentication failures, checking credentials, and separating client mistakes from upstream problems.

A practical, numbered guide to API compatibility, SDK configuration, streaming, tool calls, retries, and production checks.

A numbered walkthrough for testing reasoning models on race conditions, deadlocks, cancellation, and the quality of their proposed fixes.