---
title: "Guardrails Usage Detail"
method: GET
path: "/guardrails/usage/detail/{guardrail_id}"
tags: ["Guardrails"]
---

# Guardrails Usage Detail

`GET /guardrails/usage/detail/{guardrail_id}`

Return single guardrail usage metrics and time series.

## Path parameters

- `guardrail_id` string, required

## Query parameters

- `start_date` string, nullable
- `end_date` string, nullable

## Response `200`

Successful Response

- UsageDetailResponse
  - `guardrail_id` string, required
  - `guardrail_name` string, required
  - `type` string, required
  - `provider` string, required
  - `requestsEvaluated` integer, required
  - `failRate` number, required
  - `avgScore` number, nullable, required
  - `avgLatency` number, nullable, required
  - `status` string, required
  - `trend` string, required
  - `description` string, nullable, required
  - `time_series` UsageChartPoint[], required
    - `date` string, required
    - `passed` integer, required
    - `blocked` integer, required
    - `score` number, nullable
  - `usage_units` object, required
  - `usage_units_daily` UsageUnitsDailyPoint[], required
    - `date` string, required
    - `units` object, required
    - `cost` number, nullable, required
  - `usage_units_by_team` object, required
  - `usage_units_by_key` object, required
  - `cost` number, nullable, required
  - `cost_by_unit` object, required
  - `cost_by_team` object, required
  - `cost_by_key` object, required
  - `untracked_usage_units` object, required
  - `untracked_usage_units_by_team` object, required
  - `untracked_usage_units_by_key` object, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-21** `6246f8d427b7` — 2 info
  - api tag `Guardrails` added
  - api tag `guardrails` removed
- **2026-09-19** `c357baf422ab` — 2 info
  - api tag `guardrails` added
  - api tag `Guardrails` removed
- **2026-09-18** `082b5fabd909` — 19 info
  - api tag `Guardrails` added
  - api tag `guardrails` removed
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
  - …15 more
- **2026-09-17** `e2f308355e2d` — 2 info
  - api tag `guardrails` added
  - api tag `Guardrails` removed
- **2026-09-01** `89805a9f84ad` — 2 info
  - api tag `Guardrails` added
  - api tag `guardrails` removed

[Full history](https://skmtc.dev/flock/apis/litellm-api/changes/guardrails/usage/detail/:guardrail_id/get.md)

---

[API](https://skmtc.dev/flock/apis/litellm-api.md) · [All operations](https://skmtc.dev/flock/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/flock/apis/litellm-api/revisions/731afbea6a1b?raw)