---
title: "Latency By Error Code"
method: GET
path: "/api/v1/admin/mcp-observability/latency-by-error-code"
tags: ["Admin APIs", "MCP Observability"]
---

# Latency By Error Code

`GET /api/v1/admin/mcp-observability/latency-by-error-code`

## Query parameters

- `start_date` string, date, required
- `end_date` string, date, required
- `tools` string, nullable
- `environment` string, nullable
- `session_type` string, nullable
- `clients` string[], nullable
- `include_internal` boolean

## Response `200`

Successful Response

- LatencyByErrorCode[]
  - `error_code` string, required
  - `label` string, required
  - `median_latency` number
  - `count` integer

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api.md) · [All operations](https://skmtc.net/carbonarc/apis/carbon-arc-client-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/carbonarc/carbon-arc-client-admin-api/revisions/a8ca30023371/schema)