---
title: "Finalize a card"
method: POST
path: "/cards/{checkout_id}/finalize"
tags: ["Cards API"]
---

# Finalize a card

`POST /cards/{checkout_id}/finalize`

Finalizes an authorized or captured loan down to the amount that has been captured on the Virtual Card at the moment of the API's execution.

## Path parameters

- `checkout_id` string, required

## Response `200`

HTTP 200 OK

## Other responses

- `400` — HTTP 400 Bad Request
- `401` — HTTP 401 Unauthorized
- `404` — HTTP 404 Not Found

---

[API](https://skmtc.dev/affirm/apis/merchant-transaction-api.md) · [All operations](https://skmtc.dev/affirm/apis/merchant-transaction-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/affirm/merchant-transaction-api/revisions/f2f4252c946f/schema)