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POST
/
v1
/
pay
/
address
/
refund
Refund (Direct Payment)
curl --request POST \
  --url https://openplatform.gateapi.io/v1/pay/address/refund \
  --header 'Content-Type: application/json' \
  --header 'X-GatePay-Certificate-ClientId: <x-gatepay-certificate-clientid>' \
  --header 'X-GatePay-Nonce: <x-gatepay-nonce>' \
  --header 'X-GatePay-Signature: <x-gatepay-signature>' \
  --header 'X-GatePay-Timestamp: <x-gatepay-timestamp>' \
  --data '
{
  "refundRequestId": "483902480932841787",
  "prepayId": "1665553233227833",
  "refundAmount": "20",
  "receiverId": 598816
}
'
{
  "refundRequestId": "483902480932841787",
  "prepayId": "1665553233227833",
  "orderAmount": "14.9",
  "refundAmount": "4.9"
}

Documentation Index

Fetch the complete documentation index at: https://docs.gate.com/llms.txt

Use this file to discover all available pages before exploring further.

​
Overview

This page documents the POST /v1/pay/address/refund endpoint. The full schema, parameters, and examples are rendered from the linked OpenAPI definition above. Refund a standard order through the institution path.

​
Notes

  • Authentication uses the standard GatePay signed headers.
  • This page documents the institution-path variant of the same API.
  • Except for sub-account creation and sub-account query APIs, institution requests should include X-GatePay-On-Behalf-Of.
  • For shared signing rules, see /api-reference/version/100/en/common/securityAndSignature.

Headers

​
X-GatePay-Certificate-ClientId
string
required

Merchant client ID, obtained from GatePay platform

​
X-GatePay-Signature
string
required

HMAC-SHA256 signature for request validation

​
X-GatePay-Timestamp
string
required

Timestamp in milliseconds, must not differ from server time by more than 5 minutes

​
X-GatePay-Nonce
string
required

Random nonce for replay attack prevention

Body

application/json
​
refundRequestId
string
required

The merchant's refund request ID

​
prepayId
string
required

The ID of the corresponding payment order

​
refundAmount
string
required

The amount to be refunded

​
receiverId
string
required

The Gate user ID of the recipient of the refund for address payment

​
refundReason
string

The reason for the refund

Response

200 - application/json

SUCCESS

Response to request for refund of non-convert payment order

​
refundRequestId
string

Merchant's refund request id

​
prepayId
string

The id of the payment order to be refunded

​
orderAmount
string

The amount of the original payment order

​
refundAmount
string

The amount to be refunded