---
title: "Chargeback an existing settlement"
method: POST
path: "/cards/{cardId}/activities/{settlementActivityId}/chargebacks"
tags: ["Card Simulator"]
---

# Chargeback an existing settlement

`POST /cards/{cardId}/activities/{settlementActivityId}/chargebacks`

Simulate a chargeback of an existing settlement activity.

## Path parameters

- `cardId` string, required
- `settlementActivityId` string, required

## Response `204`

Chargeback processed

## Other responses

- `400` — Bad Request
- `404` — The settlement activity was not found

---

[API](https://skmtc.net/modulrfinance/apis/modulr-api.md) · [All operations](https://skmtc.net/modulrfinance/apis/modulr-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/modulrfinance/modulr-api/versions/cbd52524c8ef/schema)