AI Agent Retry Mechanism 2026

API calls will inevitably fail. It's not a question of if, but when. A good retry mechanism lets the Agent silently fix itself.

💡 What You Will Learn

API calls will inevitably fail. It's not a question of if, but when. A good retry mechanism lets the Agent silently fix itself.

for i in range(3):
    try:
        return call_api()
    except Exception:
        if i == 2: raise  # 

import time
for i in range(3):
    try:
        return call_api()
    except RateLimitError:
        time.sleep(2 ** i)  # 1, 2, 4

apis = ["gpt-4o", "claude-3", "deepseek"]
for api in apis:
    try:
        return call_model(api, prompt)
    except Exception:
        continue

Summary