SerpApi Production Checklist Checklist API Key & Authentication - [ ] API key stored in secret manager (not env files) - [ ] Backend proxy for all client-side search requests - [ ] Key not exposed in frontend bundles or logs - [ ] Usage monitoring configured Credit Budget - [ ] Monthly search volume estimated - [ ] Plan tier matches expected volume - [ ] Response caching implemented (LRU or Redis) - [ ] Archive API used for result retrieval (free) - [ ] Budget alerts set (e.g., 80% threshold) Error Handling - [ ] Check before using results - [ ] Handle field in responses - [ ] Retry on 500/ti…