Your Python API Calls Will Fail. Here's How to Handle It.

The article introduces APIGuard, a lightweight Python library (905 lines) that implements three production resilience patterns for API calls: Token Bucket rate limiting, Circuit Breaker for failure tracking, and Retry with exponential backoff and jitter. These patterns can be composed together to prevent cascading failures, silent data loss, and service outages when third-party APIs inevitably fail.