2.1 Create PayOut

POST /api/v1/payouts

p2p

Request

Headers

Parameter	Type	Required	Description
X-API-Key	string	Yes	API key.
X-Timestamp	string	Yes	Request time in ISO-8601 UTC format.
X-Signature	string	Yes	HMAC-SHA256(timestamp + body, secret).
Content-Type	string	Yes	application/json.

Body

Parameter	Type	Required	Description
external_id	string	Yes	Unique PayOut identifier on the merchant side (idempotency).
amount	string	Yes	Positive VND amount as a decimal string.
currency	string (3)	Yes	Must be VND.
card_number	string	Yes	Recipient bank-account number.
paymentData	object	Yes	EPT VND recipient data.
paymentData.bank_code	string	Yes	Recipient bank code from Bank Codes.
paymentData.holder	string	Yes	Recipient account-holder name.
shop_code	string	No	Shop code. If omitted, the default shop is used.
merchant_user_id	string	Yes	Required by the current EPT VND template.
merchant_user_ip	string	No	Optional in the current EPT VND template.
callback_url	string	No	URL for status-change notifications.

Example request

{
  "external_id": "POUT-VND-EPT-001",
  "amount": "250000",
  "currency": "VND",
  "card_number": "0123456789",
  "paymentData": {
    "bank_code": "VCB",
    "holder": "Nguyen Van An"
  },
  "shop_code": "your_ept_vnd_shop",
  "merchant_user_id": "merchant-user-001",
  "callback_url": "https://merchant.example.com/webhooks/payout"
}

Response

Response fields

Fields with null values are omitted from the response.

Parameter	Type	Description
id	number	Payfield operation ID.
status	string	Current PayOut status.
external_id	string	Unique PayOut identifier from the request.
amount	string	PayOut amount.
currency	string	VND.
shop_code	string	Shop code used for routing.
card_number	string	Recipient bank-account number from the request.
merchant_user_id	string	Merchant user identifier from the request.
merchant_user_ip	string	User IP from the request, when supplied.
callback_url	string	Callback URL from the request, when provided.
transaction_type	string	Always payout.
created_at	string	Creation timestamp.
updated_at	string	Last update timestamp.
finalization_date	string	Returned when the PayOut reaches a final status.

Example response

{
  "id": 12346,
  "status": "pending",
  "external_id": "POUT-VND-EPT-001",
  "amount": "250000",
  "currency": "VND",
  "shop_code": "your_ept_vnd_shop",
  "card_number": "0123456789",
  "merchant_user_id": "merchant-user-001",
  "transaction_type": "payout",
  "created_at": "2026-09-21T10:00:00+00:00",
  "updated_at": "2026-09-21T10:00:00+00:00"
}