Rate Limiting and API Key Management for Video Data APIs

YouTube's Data API v3 quota is 10,000 units per key per day. For ViralVidVault , which fetches trending videos across seven European regions every seven hours, that quota needs careful management. One careless loop can burn through an entire day's allocation in minutes. The Quota Math Understand what each call costs before writing any fetch logic: API Call Quota Cost search.list 100 units videos.list 1 unit channels.list 1 unit playlistItems.list 1 unit A naive approach — searching each category