diegosouzapw Anthropic API Usage
Fetch cost reports from the Anthropic Admin API.
Prerequisites
ANTHROPIC_ADMIN_KEYmust be set in~/.env
Usage
Run the script with a time period:
~/.claude/skills/anthropic-usage/scripts/get_cost.py "<period>"
Supported Period Formats
| Format | Example | Description |
|---|---|---|
| Relative week | last week, this week |
7-day periods |
| Relative month | last month, this month |
Calendar months |
| Relative day | yesterday, today |
Single days |
| Last N days | last 3 days, last 30 days |
Rolling window |
| Specific date | 2026-02-01 |
Single UTC day |
| Date range | 2026-01-01 to 2026-01-31 |
Inclusive range |
| Month name | january, feb 2025 |
Full calendar month |
Options
--format table(default): Human-readable table with totals--format json: Raw API response
Notes
- Costs are returned in USD
- Data is reported in UTC day buckets
- The API returns amounts in cents; the script converts to dollars