# Autotrader.com Search Options API Documentation

Retrieve the full reference dictionary: makes with models and trims, years, listing types, seller types, search radii and the facet vocabularies used by the search filters.

- **Documentation:** [https://scrappa.co/docs/autotrader-api/autotrader_search_options](https://scrappa.co/docs/autotrader-api/autotrader_search_options)
- **API group:** Autotrader.com API
- **Endpoint:** `GET https://scrappa.co/api/autotrader/v1/search-options`

## 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.

## Example request

```bash
#!/bin/bash

curl -X GET \
    -H "x-api-key: YOUR_API_KEY_HERE" \
    "https://scrappa.co/api/autotrader/v1/search-options"
```

## Example response

```json
{
    "success": true,
    "data": {
        "makes": [],
        "years": [],
        "listing_types": [],
        "sellers": [],
        "search_radii": []
    },
    "meta": {
        "endpoint_family": "search_options"
    }
}
```

## Errors

| Status | Error | Description |
| --- | --- | --- |
| 404 | Listing Not Found | The requested listing is no longer available. This response is not billable. |
| 422 | Validation Error | A public parameter or range is invalid. This response is not billable. |
| 503 | Invalid Source Response | The marketplace returned an invalid or blocked response. This response is not billable. |
| 503 | Service Unavailable | The service could not obtain a complete result. This response is not billable. |

## 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)
