---
title: "Get Session Detail"
method: GET
path: "/internal/cost-analytics/session/{session_id}"
tags: ["cost-analytics"]
---

# Get Session Detail

`GET /internal/cost-analytics/session/{session_id}`

## Path parameters

- `session_id` string, uuid, required

## Response `200`

Successful Response

- SessionCostDetailResponse
  - `session_id` string, required
  - `org_name` string, nullable, required
  - `session_title` string, nullable, required
  - `mode` string, nullable, required
  - `trigger_type` string, nullable, required
  - `user_email` string, nullable, required
  - `created_at` string, date-time, required
  - `total_cost_usd` number, required
  - `total_input_cost_usd` number, required
  - `total_cached_cost_usd` number, required
  - `total_output_cost_usd` number, required
  - `cache_hit_rate` number, required — Cache hit rate as a 0-1 ratio.
  - `overhead_pct` number, required — Non-agent overhead cost share as a 0-1 ratio.
  - `calls` CallCostRow[], required
    - `llm_call_id` string, required
    - `timestamp` string, date-time, required
    - `model` string, nullable, required
    - `duration_ms` integer, nullable, required
    - `task_type` string, nullable, required
    - `prompt_tokens` integer, required
    - `completion_tokens` integer, required
    - `cached_tokens` integer, required
    - `estimated_cost_usd` number, required
    - `input_cost_usd` number, required
    - `cached_cost_usd` number, required
    - `output_cost_usd` number, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/traversal/apis/fastapi.md) · [All operations](https://skmtc.net/traversal/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/traversal/fastapi/revisions/2134ebffd1ef/schema)