Prompt

Debug slow API responses and optimize performance.

<api_endpoint>
{endpoint details and typical payload}
</api_endpoint>

<timing_breakdown>
{paste request timing data}
</timing_breakdown>

<implementation>
{paste API handler code}
</implementation>

Analyze:
1. Database query performance
2. N+1 query problems
3. Serialization overhead
4. Network latency factors
5. Caching opportunities