> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.mangopay.com/api-reference/refunds/create-refund-transfer/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.mangopay.com/_mcp/server.

# Create a Refund for a Transfer

POST https://api.sandbox.mangopay.com/v2.01/{ClientId}/transfers/{TransferId}/refunds
Content-Type: application/json

You can do a partial refund by providing a debited funds `Amount` value lower than the initial transaction amount. The debited funds amount must be 1 or more, if it is included.

[Read more about transfer refunds](/guides/refunds#transfer-refunds) **→**

Reference: https://docs.mangopay.com/api-reference/refunds/create-refund-transfer

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token. If your platform is using a [proxy](/guides/sca/proxy-management) to take SCA-triggering action on behalf of users, you also need to integrate [mTLS authentication](/guides/sca/platform) and use the `api-mtls` base URL.

## Servers

- `https://api.sandbox.mangopay.com` (Sandbox, default)
- `https://api.mangopay.com` (Production)
- `https://api-mtls.sandbox.mangopay.com` (mTLS Sandbox)
- `https://api-mtls.mangopay.com` (mTLS Production)

## Request

### Path parameters

- `ClientId` (string, required) — Platform's API account identifier, associated with the API key.
- `TransferId` (string, required) — The unique identifier of the transfer.

### Body (application/json)

This endpoint expects a CreateARefundForATransferRequest.

- `AuthorId` (string, required) — The unique identifier of the user at the source of the initial transaction.
- `Tag` (string, optional) — Max. length: 255 characters Custom data that you can add to this object, such as unique identifiers in your system. To store multiple values, you can serialize them into a single string, for example a JSON object: `"{\"id_1\":AB123,\"id_2\":DE456}"`.
- `DebitedFunds` (CreateARefundForATransferRequestDebitedFunds, optional) — Information about the debited funds.
- `Fees` (CreateARefundForATransferRequestFees, optional) — Information about the fees.

## Response

### 200

Success

- `Id` (string, optional) — Max length: 128 characters (see [data formats](/api-reference/overview/data-formats) for details) The unique identifier of the object.
- `Tag` (string, optional) — Max. length: 255 characters Custom data that you can add to this object, such as unique identifiers in your system. To store multiple values, you can serialize them into a single string, for example a JSON object: `"{\"id_1\":AB123,\"id_2\":DE456}"`.
- `CreationDate` (integer, optional) — Unix timestamp (UTC) of the date and time the object was created.
- `AuthorId` (string, optional) — The unique identifier of the user at the source of the initial transaction.
- `CreditedUserId` (string, optional) — **Default value:** The unique identifier of the owner of the credited wallet. The unique identifier of the user whose wallet is credited.
- `DebitedFunds` (TransferRefundResponseDebitedFunds, optional) — Information about the debited funds.
- `CreditedFunds` (TransferRefundResponseCreditedFunds, optional) — Information about the credited funds (`CreditedFunds` = `DebitedFunds` - `Fees`).
- `Fees` (TransferRefundResponseFees, optional) — Information about the fees.
- `Status` (string, optional) — **Returned values:** `CREATED`, `SUCCEEDED`, `FAILED` The status of the transaction.
- `ResultCode` (string, optional) — The code indicating the result of the operation. This information is mostly used to handle errors or for filtering purposes.
- `ResultMessage` (string, optional) — The explanation of the result code.
- `ExecutionDate` (integer, optional) — Unix timestamp (UTC) of the date and time the status changed to `SUCCEEDED`, indicating that the transaction occurred. The statuses `CREATED` and `FAILED` return an `ExecutionDate` of `null`.
- `Type` (string, optional) — **Returned values:** `PAYIN`, `TRANSFER`, `CONVERSION`, `PAYOUT` The type of the transaction.
- `Nature` (string, optional) — **Returned values:** `REGULAR`, `REPUDIATION`, `REFUND`, `SETTLEMENT` The nature of the transaction, providing more information about the context in which the transaction occurred: - `REGULAR` – Relative to most of the transactions (pay-ins, payouts, and transfers) in a usual workflow. - `REPUDIATION` – Automatic withdrawal of funds from the platform's repudiation wallet as part of the dispute process (when the user has requested a chargeback). - `REFUND` – Reimbursement of a transaction to the user (pay-in refund), to a wallet (transfer refund), or of a payout (payout refund, only initiated by Mangopay). - `SETTLEMENT` – Transfer made to the repudiation wallet by the platform to settle a lost dispute.
- `InitialTransactionId` (string, optional) — The unique identifier of the initial transaction being refunded.
- `InitialTransactionType` (string, optional) — **Returned values:** `PAYIN`, `TRANSFER`, `PAYOUT` The type of the initial transaction being refunded.
- `InitialTransactionNature` (string, optional) — **Returned values:** `REGULAR`, `REPUDIATION`, `REFUND`, `SETTLEMENT` The nature of the initial transaction being refunded, providing more information about the context in which the transaction occurred: - REGULAR – Relative to most of the transactions (pay-ins, payouts, and transfers) in a usual workflow. - REPUDIATION – Automatic withdrawal of funds from the platform's repudiation wallet as part of the dispute process (when the user requested a chargeback). - REFUND – Reimbursement of a transaction to the user (pay-in refund), to a wallet (transfer refund), or of a payout (payout refund, only initiated by Mangopay). - SETTLEMENT – Transfer made to the repudiation wallet by the platform to settle the credit from a repudiation following a lost dispute.
- `DebitedWalletId` (string, optional) — The unique identifier of the debited wallet.
- `CreditedWalletId` (string, optional) — The unique identifier of the credited wallet.
- `RefundReason` (TransferRefundResponseRefundReason, optional) — Information about the reasons for the refund.

## Errors

### 400 Bad Request Error

Bad Request

- `Message` (string, optional) — Description of the error.
- `Type` (string, optional) — The category of the error.
- `Id` (string, optional) — Unique identifier of the error instance, useful when contacting Mangopay for support.
- `Date` (double, optional) — Unix timestamp (UTC) of the date and time the error was triggered.
- `errors` (map from string to string, optional, nullable) — Object containing one or more field-level errors.

## Types

### CreateARefundForATransferRequestDebitedFunds

Information about the debited funds.

- `Currency` (string, required) — **Allowed values:** The three-letter ISO 4217 code (EUR, GBP, etc.) of a supported currency (depends on feature, contract, and activation settings). The currency of the amount.
- `Amount` (integer, required) — The amount of the currency in its minor unit. For example, EUR 12.60 would be represented as `1260` whereas JPY 12 would be represented as just `12`.

### CreateARefundForATransferRequestFees

Information about the fees.

- `Currency` (string, required) — **Allowed values:** The three-letter ISO 4217 code (EUR, GBP, etc.) of a supported currency (depends on feature, contract, and activation settings). The currency of the amount.
- `Amount` (integer, required) — The amount of the currency in its minor unit. For example, EUR 12.60 would be represented as `1260` whereas JPY 12 would be represented as just `12`.

### TransferRefundResponseDebitedFunds

Information about the debited funds.

- `Currency` (string, optional) — **Allowed values:** The three-letter ISO 4217 code (EUR, GBP, etc.) of a supported currency (depends on feature, contract, and activation settings). The currency of the amount.
- `Amount` (integer, optional) — The amount of the currency in its minor unit. For example, EUR 12.60 would be represented as `1260` whereas JPY 12 would be represented as just `12`.

### TransferRefundResponseCreditedFunds

Information about the credited funds (`CreditedFunds` = `DebitedFunds` - `Fees`).

- `Currency` (string, optional) — **Allowed values:** The three-letter ISO 4217 code (EUR, GBP, etc.) of a supported currency (depends on feature, contract, and activation settings). The currency of the amount.
- `Amount` (integer, optional) — The amount of the currency in its minor unit. For example, EUR 12.60 would be represented as `1260` whereas JPY 12 would be represented as just `12`.

### TransferRefundResponseFees

Information about the fees.

- `Currency` (string, optional) — **Allowed values:** The three-letter ISO 4217 code (EUR, GBP, etc.) of a supported currency (depends on feature, contract, and activation settings). The currency of the amount.
- `Amount` (integer, optional) — The amount of the currency in its minor unit. For example, EUR 12.60 would be represented as `1260` whereas JPY 12 would be represented as just `12`.

### TransferRefundResponseRefundReason

Information about the reasons for the refund.

- `RefundReasonMessage` (string, optional) — Message explaining the reason for the refusal.
- `RefundReasonType` (string, optional) — **Returned values:** `INITIALIZED_BY_CLIENT`, `BANKACCOUNT_INCORRECT`, `OWNER_DO_NOT_MATCH_BANKACCOUNT`, `BANKACCOUNT_HAS_BEEN_CLOSED`, `WITHDRAWAL_IMPOSSIBLE_ON_SAVINGS_ACCOUNTS`, `OTHER` The type of reason for the refund.

## Examples

**Request**

```json
{
  "body": {
    "AuthorId": "146476890",
    "Tag": "custom meta"
  }
}
```

**Response**

```json
{
  "Id": "155586343",
  "Tag": "custom meta",
  "CreationDate": 1667916816,
  "AuthorId": "146476890",
  "CreditedUserId": null,
  "DebitedFunds": {
    "Currency": "EUR",
    "Amount": 1100
  },
  "CreditedFunds": {
    "Currency": "EUR",
    "Amount": 1120
  },
  "Fees": {
    "Currency": "EUR",
    "Amount": -20
  },
  "Status": "SUCCEEDED",
  "ResultCode": "000000",
  "ResultMessage": "Success",
  "ExecutionDate": 1667916816,
  "Type": "TRANSFER",
  "Nature": "REFUND",
  "InitialTransactionId": "155585643",
  "InitialTransactionType": "TRANSFER",
  "InitialTransactionNature": "REGULAR",
  "DebitedWalletId": "152161320",
  "CreditedWalletId": "148968396",
  "RefundReason": {
    "RefundReasonMessage": null,
    "RefundReasonType": "OTHER"
  }
}
```

**SDK Code**

```python
from pprint import pprint
import mangopay

mangopay.client_id='your-client-id'
mangopay.apikey='your-api-key'

from mangopay.api import APIRequest
handler = APIRequest(sandbox=True)

from mangopay.resources import NaturalUser, TransferRefund, Transfer

natural_user = NaturalUser.get('211918806')

user_transfer = Transfer.get('214568995')

transfer_refund = TransferRefund(
    author = natural_user,
    transfer = user_transfer
)

create_transfer_refund = transfer_refund.save()

pprint(create_transfer_refund)

```

```javascript
const mangopayInstance = require('mangopay4-nodejs-sdk')
const mangopay = new mangopayInstance({
  clientId: 'your-client-id',
  clientApiKey: 'your-api-key',
})

let myTransfer = {
  Id: '180974208',
}

let myRefund = {
  AuthorId: '170853400',
  Tag: 'Created using Mangopay Node.js SDK',
}

const createRefund = async (transferId, refund) => {
  return await mangopay.Transfers.createRefund(transferId, refund)
    .then((response) => {
      console.info(response)
      return response
    })
    .catch((err) => {
      console.log(err)
      return false
    })
}

createRefund(myTransfer.Id, myRefund)

```

```java
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.mangopay.MangoPayApi;
import com.mangopay.core.Money;
import com.mangopay.core.enumerations.CurrencyIso;
import com.mangopay.entities.Refund;

public class CreateTransferRefund {
    public static void main(String[] args) throws Exception {
        MangoPayApi mangopay = new MangoPayApi();
        mangopay.getConfig().setClientId("your-client-id");
        mangopay.getConfig().setClientPassword("your-api-key");

        var authorId = "user_m_01HQK25M6KVHKDV0S36JY9NRKR";
        var transferId = "xfer_m_01J1WJCSBG0S4637BR54YYJX0Z";

        Refund refund = new Refund();
        refund.setAuthorId(authorId);
        refund.setDebitedFunds(new Money(CurrencyIso.EUR, 500));
        refund.setFees(new Money(CurrencyIso.EUR, 0));
        refund.setTag("Created using the Mangopay Java SDK");

        Refund createPayinRefund = mangopay.getTransferApi().createRefund(transferId, refund);

        Gson prettyPrint = new GsonBuilder().setPrettyPrinting().create();
        String prettyJson = prettyPrint.toJson(createPayinRefund);

        System.out.println(prettyJson);
    }
}

```

```csharp
using MangoPay.SDK;
using MangoPay.SDK.Core.Enumerations;
using MangoPay.SDK.Entities;
using MangoPay.SDK.Entities.POST;
using Newtonsoft.Json;

class Program
{
    static async Task Main(string[] args)
    {
        MangoPayApi api = new MangoPayApi();

        api.Config.ClientId = "your-client-id";
        api.Config.ClientPassword = "your-api-key";

        var userId = "user_m_01J2TZ261WZNDM0ZDRWGDYA4GN";
        var transferId = "xfer_m_01J3ZG49W215VVZRJS394DKM00";

        var refund = new RefundTransferPostDTO(userId);

        var createRefund = await api.Transfers.CreateRefundAsync(transferId, refund);

        string prettyPrint = JsonConvert.SerializeObject(createRefund, Formatting.Indented);
        Console.WriteLine(prettyPrint);
    }
}

```

```php
<?php 

require_once 'vendor/autoload.php';

use MangoPay\MangoPayApi;
use MangoPay\Libraries\ResponseException as MGPResponseException;
use MangoPay\Libraries\Exception as MGPException;

$api = new MangoPayApi();

$api->Config->ClientId = 'your-client-id';
$api->Config->ClientPassword = 'your-api-key';
$api->Config->TemporaryFolder = 'tmp/';

try {
    $transferId = '199132726';

    $refund = new \MangoPay\Refund();
    $refund->AuthorId = '146476890';
    $refund->DebitedFunds = new \MangoPay\Money();
    $refund->DebitedFunds->Amount = 500;
    $refund->DebitedFunds->Currency = 'EUR';
    $refund->Fees = new \MangoPay\Money();
    $refund->Fees->Amount = 0;
    $refund->Fees->Currency = 'EUR';
    $refund->Tag = 'Created using Mangopay PHP SDK';
    
    $response = $api->Transfers->CreateRefund($transferId, $refund);

    print_r($response);
} catch(MGPResponseException $e) {
    print_r($e);
} catch(MGPException $e) {
    print_r($e);
}

```

```ruby
require 'mangopay'

MangoPay.configure do |client|
    client.preproduction = true
    client.client_id = 'your-client-id'
    client.client_apiKey = 'your-api-key'
    client.log_file = File.join(Dir.pwd, 'mangopay.log')
end

def createTransferRefund(transferId, refundObject)
    begin
        response = MangoPay::Transfer.refund(transferId, refundObject)
        puts response
        return response
    rescue MangoPay::ResponseError => error
        puts "Failed to create Refund: #{error.message}"
        puts "Error details: #{error.details}"
        return false
    end
end

myTransfer = {
    Id: '194579950'
  }

myRefund = {
    AuthorId: '194579896',
    Tag: 'Created with Mangopay Ruby SDK'
  }

createTransferRefund(myTransfer[:Id], myRefund)

```