Claude Platform Docs

Usage Report

Get Messages Usage Report
GET/v1/organizations/usage_report/messages

[Legacy] Get a report of your organization's Messages API usage, aggregated into time buckets.

Get Claude Code Usage Report
GET/v1/organizations/usage_report/claude_code

Retrieve daily aggregated usage metrics for Claude Code users. Enables organizations to analyze developer productivity and build custom dashboards.

Models
BetaClaudeCodeUsageReport object{ data, has_more, next_page }
BetaMessagesUsageReport object{ data, has_more, next_page }