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POST
/
split-marketplace
/
transfers
/
{transfer_id}
/
reverse
Reverse Standalone Transfer
curl --request POST \
  --url https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse \
  --header 'Content-Type: application/json' \
  --header 'PRIVATE-SECRET-KEY: <api-key>' \
  --header 'PUBLIC-API-KEY: <api-key>' \
  --header 'X-Idempotency-Key: <x-idempotency-key>' \
  --data '
{
  "account_id": "<string>",
  "reason": "<string>",
  "description": "<string>",
  "merchant_reference": "<string>"
}
'
import requests

url = "https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse"

payload = {
    "account_id": "<string>",
    "reason": "<string>",
    "description": "<string>",
    "merchant_reference": "<string>"
}
headers = {
    "X-Idempotency-Key": "<x-idempotency-key>",
    "PUBLIC-API-KEY": "<api-key>",
    "PRIVATE-SECRET-KEY": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {
    'X-Idempotency-Key': '<x-idempotency-key>',
    'PUBLIC-API-KEY': '<api-key>',
    'PRIVATE-SECRET-KEY': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    account_id: '<string>',
    reason: '<string>',
    description: '<string>',
    merchant_reference: '<string>'
  })
};

fetch('https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'account_id' => '<string>',
    'reason' => '<string>',
    'description' => '<string>',
    'merchant_reference' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "PRIVATE-SECRET-KEY: <api-key>",
    "PUBLIC-API-KEY: <api-key>",
    "X-Idempotency-Key: <x-idempotency-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse"

	payload := strings.NewReader("{\n  \"account_id\": \"<string>\",\n  \"reason\": \"<string>\",\n  \"description\": \"<string>\",\n  \"merchant_reference\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-Idempotency-Key", "<x-idempotency-key>")
	req.Header.Add("PUBLIC-API-KEY", "<api-key>")
	req.Header.Add("PRIVATE-SECRET-KEY", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse")
  .header("X-Idempotency-Key", "<x-idempotency-key>")
  .header("PUBLIC-API-KEY", "<api-key>")
  .header("PRIVATE-SECRET-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"account_id\": \"<string>\",\n  \"reason\": \"<string>\",\n  \"description\": \"<string>\",\n  \"merchant_reference\": \"<string>\"\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api-sandbox.y.uno/v1/split-marketplace/transfers/{transfer_id}/reverse")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-Idempotency-Key"] = '<x-idempotency-key>'
request["PUBLIC-API-KEY"] = '<api-key>'
request["PRIVATE-SECRET-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"account_id\": \"<string>\",\n  \"reason\": \"<string>\",\n  \"description\": \"<string>\",\n  \"merchant_reference\": \"<string>\"\n}"

response = http.request(request)
puts response.read_body
{
  "id": "94036ceb-5cca-4384-b144-e2a5a908af77",
  "recipient_id": "e56c3329-f3d9-48e5-a677-284b147abf95",
  "amount": {
    "currency": "USD",
    "value": 100
  },
  "status": "SUCCEEDED",
  "description": "test transfer",
  "merchant_reference": "c19e858a-ffd6-4635-8a31-4f60c5becf4d",
  "metadata": [],
  "provider": null,
  "transactions": [
    {
      "code": "7ac2c5f3-7c79-4e99-b45e-aa5952620188",
      "type": "SPLIT_TRANSFER",
      "status": "SUCCEEDED",
      "provider_transfer_id": "tr_1T9eKVIiMnPsFcbbRTb8ObsZ",
      "provider_response_message": null,
      "provider_raw_response": "{\n  \"id\": \"tr_1T9eKVIiMnPsFcbbRTb8ObsZ\",\n  \"object\": \"transfer\",\n  \"amount\": 10000,\n  \"amount_reversed\": 0,\n  \"balance_transaction\": \"txn_1T9eKVIiMnPsFcbbOPnvz3xM\",\n  \"created\": 1773203107,\n  \"currency\": \"usd\",\n  \"description\": \"test transfer\",\n  \"destination\": \"acct_1T9PSQIZEg1WWTvj\",\n  \"destination_payment\": \"py_1T9eKVIZEg1WWTvjbVjmnzFK\",\n  \"livemode\": false,\n  \"metadata\": {},\n  \"reversals\": {\n    \"object\": \"list\",\n    \"data\": [],\n    \"has_more\": false,\n    \"total_count\": 0,\n    \"url\": \"/v1/transfers/tr_1T9eKVIiMnPsFcbbRTb8ObsZ/reversals\"\n  },\n  \"reversed\": false,\n  \"source_transaction\": null,\n  \"source_type\": \"card\",\n  \"transfer_group\": null\n}",
      "created_at": "2026-03-11T04:25:06.229027Z",
      "updated_at": "2026-03-11T04:25:07.917364Z"
    }
  ],
  "created_at": "2026-03-11T04:25:06.208761Z",
  "updated_at": "2026-03-11T04:25:07.928000342Z",
  "completed_at": "2026-03-11T04:25:07.927971142Z"
}
Reverse a specific standalone transfer. This endpoint allows you to fully or partially reverse a SUCCEEDED forward transfer.

Authorizations

​
PUBLIC-API-KEY
string
header
required
​
PRIVATE-SECRET-KEY
string
header
required

Headers

​
X-Idempotency-Key
string
required

Unique key for request idempotency.

Path Parameters

​
transfer_id
string
required

The unique ID of the transfer flow to reverse.

Body

application/json
​
account_id
string
required

The unique identifier of the account.

​
amount
object
​
reason
string

The reason for the reversal.

​
description
string

A human-readable description for the reversal.

​
merchant_reference
string

Merchant's unique identifier for tracking this reversal.

Response

OK

​
id
string
Example:

"TRF_7kB2mQ9xPnL4vR"

​
recipient_id
string<uuid>
Example:

"550e8400-e29b-41d4-a716-446655440000"

​
amount
object
​
status
string
Example:

"SUCCEEDED"

​
reason
string
Example:

"ORDER_CANCELLED"

​
description
string
Example:

"Weekly marketplace earnings"

​
merchant_reference
string
Example:

"TRANSFER-2026-02-15-001"

​
metadata
object[]
​
provider_data
object
​
created_at
string<date-time>
Example:

"2026-02-16T10:30:00Z"

​
updated_at
string<date-time>
Example:

"2026-02-16T10:30:15Z"

​
completed_at
string<date-time>
Example:

"2026-02-16T10:30:15Z"

​
provider
string | null
Example:

null

​
transactions
object[]