> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gu1.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Chaves de itemData

> Retorna as chaves distintas usadas dentro do payload itemData de uma lista, úteis para configurar colunas na UI — GET /data-lists/{id}/item-data-keys.

## Visão geral

Retorna o conjunto de chaves **itemData** observadas nos itens. Pode escanear a lista no banco.

## Endpoint

```
GET https://api.gu1.ai/data-lists/{id}/item-data-keys
```

## Autenticação

```bash theme={null}
Authorization: Bearer YOUR_API_KEY
```

## Resposta

```json theme={null}
{
  "success": true,
  "itemDataKeys": ["columnA", "columnB"]
}
```

`403` when the list is not accessible via this API (e.g. certain marketplace global lists).