---
title: "Get server-wide status-class time series"
method: GET
path: "/api/traffic/series"
tags: ["Traffic Analytics"]
---

# Get server-wide status-class time series

`GET /api/traffic/series`

Per-bucket 2xx/3xx/4xx/5xx request counts across every app/host,
zero-filled to a fixed length (see the per-app variant for granularity).

## Query parameters

- `range` '24h' | '7d' | '30d'

## Response `200`

Status-class time series

- TrafficSeriesBucket[]
  - `bucket` integer — Unix-millis start of the bucket
  - `requests` integer
  - `bytes_in` integer
  - `bytes_out` integer
  - `s2xx` integer
  - `s3xx` integer
  - `s4xx` integer
  - `s5xx` integer
  - `unique_visitors` integer — Per-bucket approximate distinct client IPs (HyperLogLog++)
  - `p95` number, float — 95th-percentile latency in ms (t-digest estimate)

## Other responses

- `400` — Bad request - invalid parameters
- `401` — Unauthorized - missing or invalid authentication token
- `404` — Traffic analytics isn't enabled — the binary lacks the `traffic` Cargo feature, TRAFFIC_ENABLED isn't true, or the analytics database failed to open.
- `500` — Internal server error

---

[API](https://skmtc.net/coollabsio/apis/sentinel-api.md) · [All operations](https://skmtc.net/coollabsio/apis/sentinel-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/coollabsio/sentinel-api/revisions/88887601c796/schema)