# Chargeback Transaction

              A chargeback transaction occurs when a customer disputes a charge on their credit card statement and requests a refund from their bank. Fraud detection involves identifying and preventing unauthorized or fraudulent chargeback requests.

{% openapi src="<https://73045143-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMqARVnz5ewLPhJvT16pD%2Fuploads%2FGvjv35MOuyoocDUiMwsu%2Fchargeback.yaml?alt=media&token=8a399f88-70ac-4d8b-a304-64e9c0b10e7f>" path="/api/v1/fraud-detector/transaction/chargeback" method="post" %}
[chargeback.yaml](https://73045143-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMqARVnz5ewLPhJvT16pD%2Fuploads%2FGvjv35MOuyoocDUiMwsu%2Fchargeback.yaml?alt=media\&token=8a399f88-70ac-4d8b-a304-64e9c0b10e7f)
{% endopenapi %}