---
title: "Read Run"
method: GET
path: "/api/v1/runs/{run_id}"
tags: ["run"]
---

# Read Run

`GET /api/v1/runs/{run_id}`

Get a specific run.

## Path parameters

- `run_id` string, uuid, required

## Query parameters

- `session_id` string, uuid, nullable
- `start_time` string, date-time, nullable
- `exclude_s3_stored_attributes` boolean
- `exclude_serialized` boolean
- `include_messages` boolean

## Response `200`

Successful Response

- RunSchema — Run schema.
  - `name` string, required
  - `inputs` object, nullable
  - `inputs_preview` string, nullable
  - `run_type` 'tool' | 'chain' | 'llm' | 'retriever' | 'embedding' | 'prompt' | 'parser', required — Enum for run types.
  - `start_time` string, date-time
  - `end_time` string, date-time, nullable
  - `extra` object, nullable
  - `error` string, nullable
  - `execution_order` integer
  - `serialized` object, nullable
  - `outputs` object, nullable
  - `outputs_preview` string, nullable
  - `parent_run_id` string, uuid, nullable
  - `manifest_id` string, uuid, nullable
  - `manifest_s3_id` string, uuid, nullable
  - `events` object[], nullable
  - `tags` string[], nullable
  - `inputs_s3_urls` object, nullable
  - `outputs_s3_urls` object, nullable
  - `s3_urls` object, nullable
  - `trace_id` string, uuid, required
  - `dotted_order` string, required
  - `trace_min_start_time` string, date-time, nullable
  - `trace_max_start_time` string, date-time, nullable
  - `id` string, uuid, required
  - `status` string, required
  - `child_run_ids` string[], nullable
  - `direct_child_run_ids` string[], nullable
  - `parent_run_ids` string[], nullable
  - `feedback_stats` object, nullable
  - `reference_example_id` string, uuid, nullable
  - `total_tokens` integer
  - `prompt_tokens` integer
  - `completion_tokens` integer
  - `prompt_token_details` object, nullable
  - `completion_token_details` object, nullable
  - `total_cost` string, nullable
  - `prompt_cost` string, nullable
  - `completion_cost` string, nullable
  - `prompt_cost_details` object, nullable
  - `completion_cost_details` object, nullable
  - `price_model_id` string, uuid, nullable
  - `first_token_time` string, date-time, nullable
  - `messages` object[], nullable
  - `session_id` string, uuid, required
  - `app_path` string, required
  - `last_queued_at` string, date-time, nullable
  - `in_dataset` boolean, nullable
  - `share_token` string, uuid, nullable
  - `trace_tier` 'longlived' | 'shortlived'
  - `trace_first_received_at` string, date-time, nullable
  - `ttl_seconds` integer, nullable
  - `trace_upgrade` boolean
  - `reference_dataset_id` string, uuid, nullable
  - `thread_id` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/langchain-ai/apis/langsmith.md) · [All operations](https://skmtc.net/langchain-ai/apis/langsmith/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/langchain-ai/langsmith/versions/a0acb3a6a101/schema)