# Billiger.de Product Group API Documentation

Fetch a product group by canonical baseproduct ID, including variants, current offer summaries, images, properties, differentiators, ratings, reviews, and price history when Billiger provides them.

- **Documentation:** [https://scrappa.co/docs/billiger-api/billiger_baseproduct](https://scrappa.co/docs/billiger-api/billiger_baseproduct)
- **API group:** Billiger.de API
- **Endpoint:** `GET https://scrappa.co/api/billiger/baseproduct`

## Authentication

Send your Scrappa API key in the `X-API-KEY` request header. Paid endpoints also support accountless x402 payments when called without an API key.

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `baseproduct_id` | integer | Yes | Canonical Billiger baseproduct identifier from search. |

## Example request

```bash
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/billiger/baseproduct?baseproduct_id=108608"
```

## Example response

```json
{
    "success": true,
    "data": {
        "baseproduct_id": 108608,
        "products": [],
        "pricehistory": []
    }
}
```

## Errors

| Status | Error | Description |
| --- | --- | --- |
| 422 | Validation Error | Returned when required identifiers, query text, pagination, or numeric offer condition parameters are invalid. |
| 502 | Invalid Upstream Response | Returned as a non-billable failure when Billiger returns an unsuccessful, malformed, or incomplete response. |
| 503 | Service Unavailable | The upstream service is temporarily unavailable. Please retry shortly. |

## More Scrappa resources

- [API documentation](https://scrappa.co/docs)
- [Full LLM-readable API reference](https://scrappa.co/llms-full.txt)
- [OpenAPI specification](https://scrappa.co/docs/api.json)
- [Pricing](https://scrappa.co/pricing)