Refund

curl --location --request POST '/akulaku-peer-to-peer/v2/refund' \
--header 'Client-Id: {{client_id}}' \
--header 'Request-Id: {{request_id}}' \
--header 'Request-Timestamp: {{request_timestamp}}' \
--header 'Signature: {{signature}}' \
--header 'Content-Type: application/json' \
--data-raw '{
   "order":{
      "invoice_number":"invoice-000001011245"
   },
   "payment":{
      "merchant_unique_reference":"REFUND-ABC-000104567",
      "identifier":[
         {
                "name": "ORDER_ID",
                "value": "1000043216"
            },
            {
                "name": "AKULAKU_UNIQUE_REFERENCE",
                "value": "MCH-0016-7451979181409REFUND-ABC-000104567"
            }
      ]
   },
   "refund":{
      "merchant_unique_reference":"XYZ-00645678"
   }
}'