Query Parameters
Response
Rank Change Interpretation
Credit Cost
3 credits per request.How It Works
Chart snapshots are taken every 6 hours (00:00, 06:00, 12:00, 18:00 UTC). This endpoint compares the two most recent snapshots to calculate rank changes. Data availability depends on snapshot history — at least two snapshots on different dates are needed to show results.Use Cases
- Competitive monitoring: Track when competitors surge or fall in the charts
- Breakout detection: Spot apps entering the top 100 for the first time
- Category trends: Filter by genre to monitor specific verticals
- Market research: Understand overall chart volatility and seasonality

