# Radar fraud scores for Issuing authorizations

Get a Radar fraud risk signal for your Issuing card authorization.

The [IssuingAuthorizationEvaluation API](https://docs.stripe.com/api/radar/issuing-authorization-evaluation.md) provides real-time fraud risk scoring for Issuing card authorization:

- **Real-time scoring at authorization**: Get a fraud risk signal before approving or declining each card authorization.
- **Informed decisioning for issuers**: Use risk scores and levels to build automated approval workflows for your Issuing program.
- **Flexible integration**: Works with physical and tokenized cards, and supports optional fields to improve scoring precision.

### Request to join the preview for the fraudulent issuing transaction signal.

Enter your email to request access.

```bash
curl https://docs.stripe.com/preview/register \
  -X POST \
  -H "Content-Type: application/json" \
  -H "Referer: https://docs.stripe.com/radar/issuing-authorization-risk-prevention" \
  -d '{"email": "EMAIL", "preview": "radar_issuing_authorization_evaluation_preview"}'
```