#Backend(2)

July 2026
#LLM #FastAPI #Python #Backend #AI

Handling LLM API Rate Limits: Retries and Backoff

Your LLM backend returns 429s the moment traffic bursts. How to retry with backoff and jitter, respect Retry-After, and pace fan-out to stay under the limit.

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July 2026
#FastAPI #Python #AsyncIO #Backend #LLM

FastAPI Event Loop Blocking: Sync vs Async

One blocking call in a FastAPI route stalls every other request, including live SSE streams. Here is how the event loop breaks, and how to keep it free.

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