---
title: "List browser session usage"
method: GET
path: "/browser/usage"
tags: ["Browser"]
---

# List browser session usage

`GET /browser/usage`

## Request

- Base URL: `https://api.browser.tinyfish.ai`
- URL: `https://api.browser.tinyfish.ai/browser/usage`
- Auth: API key in header `X-API-Key`

List Tetra browser session usage for the authenticated user. Returns session telemetry including duration, data transfer, mode, and status.

## Query parameters

- `session_id` string
- `start_after` string, date-time
- `end_before` string, date-time
- `status` 'running' | 'ended'
- `limit` integer
- `page` integer

## Response `200`

Browser usage retrieved successfully.

- object: Paginated browser usage response
  - `items` object[], required
    - `session_id` string, required
    - `user_id` string, required
    - `sub_user_id` string, nullable, required
    - `mode` 'light' | 'stealth' | 'tf-browser', required
    - `start_time` string, date-time, required
    - `end_time` string, date-time, nullable, required
    - `duration_ms` integer, nullable, required
    - `proxy_trg_rx_bytes` integer, nullable, required
    - `proxy_trg_tx_bytes` integer, nullable, required
    - `status` 'running' | 'ended' | 'created', required
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required
  - `total` integer, required
  - `limit` integer, required
  - `page` integer, required
  - `total_pages` integer, required
  - `has_more` boolean, required

## Other responses

- `400`: Invalid query parameters
- `401`: Unauthorized - Invalid or missing API key
- `404`: Browser API is not available
- `409`: Upstream conflict fetching usage (RETRY_REQUIRED) — retry shortly
- `429`: Rate limited by browser infrastructure (RATE_LIMIT_EXCEEDED) — honor Retry-After
- `500`: Internal server error, including non-retryable upstream failures
- `503`: Browser infrastructure temporarily unavailable (SERVICE_BUSY) — retryable, honor Retry-After
- `504`: Browser infrastructure timed out fetching usage (TIMEOUT) — retry

---

[API](https://skmtc.dev/tinyfish/apis/tinyfish-web-agent-automation-api-2.md) · [All operations](https://skmtc.dev/tinyfish/apis/tinyfish-web-agent-automation-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/tinyfish/apis/tinyfish-web-agent-automation-api-2/revisions/6c73a54df35c?raw)