> ## 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.

# CPF — CUIT lookup

> Full CUIT CPF lookup with role aggregates and optional batch.

## Lookup

```http theme={null}
GET /api/integration-services/ar_gueno_cpf_service/cuits/:cuit?mode=both&limit=50
```

Returns `hit`, `mode`, `asRecipient`, `asInitiator` (counts, dates, operations). **Billing:** per request when priced.

## Batch

```http theme={null}
POST /api/integration-services/ar_gueno_cpf_service/cuits/batch
Content-Type: application/json

{ "cuits": ["30703088534"], "mode": "both" }
```

Up to 100 CUITs. **Billing:** per request when priced.