Get JSON results from any saved Amplitude chart by its chart ID. The chart ID can be found in the chart's URL in the Amplitude web app (e.g., 'abc123' from https://analytics.amplitude.com/demo/chart/abc123). Returns data in the format specific to the chart type.

Get the number of active or new users for a date range. Supports daily, weekly, or monthly intervals. You can segment by user properties and group by a property. Dates are formatted as YYYYMMDD.

Get the list of all visible event types in the project with the current week's totals, unique users, and percentage of daily active users (DAU). Hidden events are not returned. Use this to discover which events are tracked in the project.

Get metrics for an event with segmentation. Supports metrics like uniques, totals, pct_dau, average, and custom formulas. You can group by up to two properties and filter with segments. For custom events, prefix with 'ce:' (e.g., 'ce:My Event'). Special event types: '_active' for any active event, '_all' for any event.

Get funnel drop-off and conversion rates for a sequence of events. Specify two or more events as funnel steps. Supports ordered, unordered, and sequential modes, with configurable conversion windows. Returns step-by-step conversion rates, cumulative rates, and transition times.

Get user retention for specific starting and returning actions. Supports n-day, rolling (unbounded), and bracket retention modes with daily, weekly, or monthly intervals. Returns cohorted retention data with counts and percentages.

Get a user summary and their most or least recent events by Amplitude ID. Returns user metadata (device, location, revenue, etc.) and an array of event objects. Limited to 10 concurrent requests and 360 queries per hour.

Search for a user by Amplitude ID, Device ID, User ID, or User ID prefix. Returns matching users with their Amplitude IDs and User IDs. Limited to 10 concurrent requests and 360 queries per hour.

Get active user numbers with 5-minute granularity for the last two days. Returns a comparison of today vs yesterday in 5-minute intervals.

Get the revenue lifetime value of new users. Supports ARPU, ARPPU, total revenue, and paying users metrics with daily, weekly, or monthly intervals. Returns n-day revenue values up to 90 days.