curl -X GET 'https://api.anthropic.com/v1/organizations/usage_report/claude_code?beta=true&starting_at=example-starting-at&limit=20&page=example-page' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

# GET /v1/organizations/usage_report/claude_code?beta=true (Claude API)
Base URL: https://api.anthropic.com
Auth: x-api-key; Anthropic API key; required.
Status: Beta.
Last verified: 2026-10-20

> Get Claude Code Usage Report

## Critical Gotchas
* Authentication uses the `x-api-key` header and requests also require an `anthropic-version` header.
* The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

## cURL
curl -X GET 'https://api.anthropic.com/v1/organizations/usage_report/claude_code?beta=true&starting_at=example-starting-at&limit=20&page=example-page' \
  -H "x-api-key: $ANTHROPIC_API_KEY" \
  -H 'anthropic-version: 2023-06-01'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| starting_at | query | string | Yes | UTC date in YYYY-MM-DD format. Returns metrics for this single day only. |
| limit | query | integer | No | Number of records per page (default: 20, max: 1000). |
| page | query | string | No | Opaque cursor token from previous response's `next_page` field. |

## Response example
{"data":[{}],"has_more":true}

---
Need an API key? Get one at https://console.anthropic.com/settings/keys

GET

GET /v1/organizations/usage_report/claude_code?beta=true — Claude API

Beta

Anthropic API key (required); https://api.anthropic.com

Claude API

Get Claude Code Usage Report

Base URL: https://api.anthropic.com
Auth: x-api-key: <ANTHROPIC_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 224 tokens · Vary: Accept

Critical gotchas

Authentication uses the x-api-key header and requests also require an anthropic-version header.

The official OpenAPI URL is discovered from the SDK repository manifest and must remain under Anthropic's trusted Stainless storage prefix.

cURL

curl -X GET 'https://api.anthropic.com/v1/organizations/usage_report/claude_code?beta=true&starting_at=example-starting-at&limit=20&page=example-page' \  -H "x-api-key: $ANTHROPIC_API_KEY" \  -H 'anthropic-version: 2023-06-01'

Parameters

Name	In	Type	Required	Description
starting_at	query	string	Yes	UTC date in YYYY-MM-DD format. Returns metrics for this single day only.
limit	query	integer	No	Number of records per page (default: 20, max: 1000).
page	query	string	No	Opaque cursor token from previous response's `next_page` field.

Response 200 OK

{
  "data": [
    {
      "actor": {
        "email_address": "string",
        "type": "string"
      },
      "core_metrics": {
        "commits_by_claude_code": 0,
        "lines_of_code": {
          "added": 0,
          "removed": 0
        },
        "num_sessions": 0,
        "pull_requests_by_claude_code": 0
      },
      "customer_type": "api",
      "date": "2026-09-03T00:00:00Z",
      "is_remote": true,
      "model_breakdown": [
        {
          "estimated_cost": {
            "amount": "[recursive or deeply nested schema]",
            "currency": "[recursive or deeply nested schema]"
          },
          "model": "string",
          "tokens": {
            "cache_creation": "[recursive or deeply nested schema]",
            "cache_read": "[recursive or deeply nested schema]",
            "input": "[recursive or deeply nested schema]",
            "output": "[recursive or deeply nested schema]"
          }
        }
      ],
      "organization_id": "string",
      "subscription_type": "enterprise",
      "terminal_type": "string",
      "tool_actions": {}
    }
  ],
  "has_more": true,
  "next_page": "string"
}

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