---
title: "Simulate return"
method: POST
path: "/v1/simulate/return"
tags: ["Transaction"]
---

# Simulate return

`POST /v1/simulate/return`

Returns, or refunds, an amount back to a card. Returns simulated via this endpoint clear immediately, without prior authorization, and result in a `SETTLED` transaction status.

## Request body

- object
  - `amount` integer, required — Amount (in cents) to authorize.
  - `descriptor` string, required — Merchant descriptor.
  - `pan` string, required — Sixteen digit card number.

## Response `201`

OK

- object
  - `debugging_request_id` string, uuid — Debugging request ID to share with Lithic Support team.
  - `token` string, uuid — A unique token to reference this transaction.

## Other responses

- `400` — A parameter in the query given in the request does not match the valid queries for the endpoint.
- `401` — | | | |---|---| | User has not been authenticated | Invalid or missing API key | | API key is not active | The API key used is no longer active | | Could not find API key | The API key provided is not associated with any user | | Please provide API key in Authorization header | The Authorization header is not in the request | | Please provide API key in the form Authorization: [api-key] | The Authorization header is not formatted properly | | Insufficient privileges. Issuing API key required | Write access requires an Issuing API key. Reach out at [lithic.com/contact](https://lithic.com/contact) | | Insufficient privileges to create virtual cards. | Creating virtual cards requires an additional privilege | Reach out at [lithic.com/contact](https://lithic.com/contact) |
- `429` — Client has exceeded the number of allowed requests in a given time period. | | | |---|---| | Rate limited, too many requests per second | User has exceeded their per second rate limit | | Rate limited, reached daily limit | User has exceeded their daily rate limit | | Rate limited, too many keys tried | One IP has queried too many different API keys |

---

[API](https://skmtc.dev/lithic-com/apis/lithic-developer-api.md) · [All operations](https://skmtc.dev/lithic-com/apis/lithic-developer-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/lithic-com/lithic-developer-api/revisions/53ab5d4e2adb/schema)