twilio-reliability-patterns

Overview

Twilio enforces per-resource rate limits. At scale, 429 errors are expected behavior — not bugs. This skill teaches the patterns that prevent production failures: exponential backoff, throughput management, and resilient callback handling.

429 concurrency errors are not well documented — implement exponential backoff with ±10% jitter.

Prerequisites

• A working Twilio integration (any product)
• Understanding of your expected volume (messages/sec, calls/sec)
• StatusCallback URLs configured — see twilio-messaging-services, twilio-sms-send-message

Key Patterns

1. Exponential Backoff with Jitter