---
title: "Preview Sample"
method: POST
path: "/lens/preview/sample"
tags: ["Lens"]
---

# Preview Sample

`POST /lens/preview/sample`

## Request

- Base URL: `https://api.sea-lion.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.sea-lion.ai/lens/preview/sample`
- Auth: API key in header `x-litellm-api-key`

## Request body

- Preview
  - `as_of` string, date-time, nullable
  - `offset` integer
  - `selection` ActivitySelection, required
    - `source` 'traces' | 'requests' | 'both'
    - `service` string
    - `agent_name` string
    - `filters` MetadataFilter[]
      - `key` string, required
      - `value` string, required
    - `sample_size` integer, nullable
    - `sample_percent` number
    - `team_id` string
    - `execution_ids` string[]
  - `lookback_hours` integer

## Response `200`

Successful Response

- Sample
  - `executions` Execution[], required
    - `id` string, required
    - `source` 'traces' | 'requests', required
    - `trace_id` string, required
    - `trace_ref` string
    - `team_id` string, required
    - `name` string, required
    - `start_time` string, required
    - `span_count` integer, required
    - `root_seen` boolean
    - `service` string
    - `metadata` MetadataFilter[]
      - `key` string, required
      - `value` string, required
  - `eligible` integer, required
  - `selected` integer
  - `next_offset` integer, nullable
  - `next_cursor` string, nullable

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-21** `f2fb14eab3f5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/sea-lion/apis/litellm-api/changes/lens/preview/sample/post.md)

---

[API](https://skmtc.dev/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.dev/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/sea-lion/apis/litellm-api/revisions/1ba9123c189a?raw)