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POST
/
v1
/
payments
/
{payment_id}
/
transactions
/
{transaction_id}
/
refund
curl --request POST \
  --url https://api-sandbox.y.uno/v1/payments/{payment_id}/transactions/{transaction_id}/refund \
  --header 'Content-Type: application/json' \
  --header 'X-Idempotency-Key: <x-idempotency-key>' \
  --data '
{
  "merchant_reference": "refund-001",
  "description": "Customer request",
  "reason": "REQUESTED_BY_CUSTOMER"
}
'
{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "status": "<string>",
  "type": "PURCHASE",
  "amount": {
    "currency": "<string>",
    "value": 123
  },
  "created_at": "2023-11-07T05:31:56Z"
}

Headers

​
X-Idempotency-Key
string<uuid>
required

Unique UUID per request. Prevents duplicate processing on retries.

Path Parameters

​
payment_id
string<uuid>
required
​
transaction_id
string<uuid>
required

Body

application/json
​
merchant_reference
string
required
Required string length: 3 - 255
​
description
string
​
reason
enum<string>
Available options:
DUPLICATE,
FRAUDULENT,
REQUESTED_BY_CUSTOMER,
REVERSE
​
amount
object

Include for partial refund. Omit for full refund.

Response

200 - application/json

Refund processed

​
id
string<uuid>
​
status
string
​
type
enum<string>
Available options:
PURCHASE,
CAPTURE,
CANCEL,
REFUND,
VERIFY
​
amount
object
​
created_at
string<date-time>