---
title: "List the columns of a list with example values, to choose which column feeds each input."
method: GET
path: "/v1/investigations/collections/{collection_id}/inputs"
---

# List the columns of a list with example values, to choose which column feeds each input.

`GET /v1/investigations/collections/{collection_id}/inputs`

## Request

- Base URL: `https://api.specstream.ai`
- URL: `https://api.specstream.ai/v1/investigations/collections/{collection_id}/inputs`
- Auth: API key in header `Authorization`

## Path parameters

- `collection_id` string, required

## Response `200`

List the columns of a list with example values, to choose which column feeds each input.

- object
  - `data` InvestigationInputCatalog, required
    - `collection_id` string, required
    - `project_id` string, nullable, required
    - `fields` InvestigationInputColumn[], required
      - `field` string, required
      - `nonempty_rows` integer, required
      - `examples` unknown[], required
        - unknown
    - `total_rows` integer, required

## Other responses

- `default`: Error envelope

---

[API](https://skmtc.dev/specstream/apis/specstream-api.md) · [All operations](https://skmtc.dev/specstream/apis/specstream-api/llms.txt) · [OpenAPI document](https://skmtc.dev/specstream/apis/specstream-api/revisions/5a9f51143a13?raw)