Always Add Timeouts to External API Calls
~1 min read
💡TL;DR
Never call external APIs without a timeout — one slow dependency can freeze your entire system.
One silent production killer: calling external APIs without a timeout.
If a third-party service hangs, your request hangs too… and suddenly:
- API response time spikes
- Threads get blocked
- Users see loading forever
Most developers assume APIs will respond quickly. They don’t.
Always define a timeout.
Example:
- Payment APIs
- Email services
- AI APIs
- Internal microservices
Without timeout:
→ your system depends on someone else’s uptime
With timeout:
→ your system stays in control
Bonus:
Also implement retry logic with limits.
Rule:
“No timeout = future production issue”
APIBackendPerformanceProductionReliability API
💡
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