---
title: "Get telemetry summary"
method: GET
path: "/api/v1/telemetry/summary"
tags: ["Telemetry"]
---

# Get telemetry summary

`GET /api/v1/telemetry/summary`

Returns CO2 totals (with upper/lower bounds), cached-vs-uncached token split, per-model rollups, and a daily chart for the requested date range, optionally scoped to a project.

## Query parameters

- `start_date` string
- `end_date` string
- `project_id` string, uuid

## Response `200`

Telemetry summary

- object
  - `success` true, required
  - `data` TelemetrySummary, required
    - `total_co2_kg` number, required
    - `total_co2_lower_bound_kg` number, required
    - `total_co2_upper_bound_kg` number, required
    - `total_tokens` number, required
    - `cached_vs_uncached` object, required
      - `uncached_tokens` number, required
      - `cached_tokens` number, required
      - `cache_creation_tokens` number, required
      - `cached_co2_savings_kg` number, required
    - `per_model` object[], required
      - `model` string, required
      - `total_tokens` number, required
      - `co2_kg` number, required
      - `percentage` number, required
    - `daily_chart` object[], required
      - `date` string, required
      - `co2_kg` number, required
      - `tokens` number, required
    - `factors_version` string, required
    - `period` object, required
      - `start` string, required
      - `end` string, required

## Other responses

- `400` — Bad request — validation failed or malformed JSON body
- `401` — Unauthorized — token missing, expired, or invalid
- `429` — Too many requests — rate limit exceeded
- `500` — Internal server error

---

[API](https://skmtc.net/crbonfree/apis/crbonfree-api.md) · [All operations](https://skmtc.net/crbonfree/apis/crbonfree-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/crbonfree/crbonfree-api/versions/29b71b1664e7/schema)