Payment notify

Callback API

Notify the caller when the order status changes using the provided callback_url, details for Create payment order callback_url param

Callback event

Callback Event Name (event_name)	Callback Event Type (event_type)	Description
order	expired	Order Timeout Notification
order	paid	Payment Completed Notification
order	paid_partial	Partial Payment completion notification
order	paid_over	Overpayment completion notification
order	refunded	Order refund notification
order	paid_remain	Additional payment for the order remaining amount Notification

Request method

Method: HTTP POST
Content-Type: application/json
If the response is the string “success”, the callback is successful; otherwise, it fails.

Request parameters

Name	Type	Description
event_name	string	Event name
event_type	string	Event type
data	JSONString	Order information
pid	integer(int64)	Project ID
nonce	string	6 random string
timestamp	integer(int64)	Timestamp
sign	string	Signature

Paid/Partial_Paid/Overpaid order `data` Object

Name	Type	Description
cregis_id	string	Cregis unique id
order_id	string	Merchant’s custom unique order ID
receive_amount	string	The amount of the order after exchange rate conversion
receive_currency	string	The order currency code after exchange rate conversion
pay_amount	string	Actual Received Amount
pay_currency	string	Received currency
order_amount	string	Order transaction amount, defined by the merchant
order_currency	string	Order currency code, i.e. ISO 4217 currency code, such as CNY, HKD, defined by the merchant, Order currency List
exchange_rate	string	Exchange rate
payment_address	string	Payment wallet address
created_time	integer(int64)	Order creation timestamp in 13-digit
cancel_time	integer(int64)	Order expiration cancel timestamp in 13-digit
transact_time	integer(int64)	Order transaction timestamp in 13-digit
valid_time	integer	To determine the order expiration time , if not specified, the order expiration time will be 30 minutes as default. Please input in minutes. Minimum is 10 minutes
status	string	Order Status: new - Initial status of the order paid - The order has been successfully paid expired - The order has exceeded the valid time paid_over - Payment exceeds the order amount paid_partial - Payment is less than the order amount
remark	string	Remarks
tx_id	string	Transaction hash
payer_id	string	Payer unique ID. No more than 32 characters
payer_name	string	Payer’s name. No more than 32 characters
payer_email	string	Payer email

Expired order `data` Object

Name	Type	Description
cregis_id	string	Cregis unique id
order_id	string	Merchant’s custom unique order ID.
order_amount	string	Order transaction amount, defined by the merchant
order_currency	string	Order currency code, i.e. ISO 4217 currency code, such as CNY, HKD, defined by the merchant
created_time	integer(int64)	Order creation time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
cancel_time	integer(int64)	Order cancelled time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
valid_time	integer	To determine the order expiration time , if not specified, the order expiration time will be 30 minutes as default. Please input in minutes. Minimum is 10 minutes.
status	string	Order Status new: Initial status of the order paid: The order has been successfully paid expired: The order has exceeded the valid time paid_over: Payment exceeds the order amount paid_partial: Payment is less than the order amount
remark	string	Remarks
payer_id	string	Payer unique ID. No more than 32 characters
payer_name	string	Payer’s name. No more than 32 characters
payer_email	string	Payer email

Refund order `data` Object

Name	Type	Description
cregis_id	string	Cregis unique id
order_id	string	Merchant’s custom unique order ID.
receive_amount	string	The amount of the order after exchange rate conversion
receive_currency	string	The order currency code after exchange rate conversion
pay_amount	string	Actual Received Amount
pay_currency	string	Received currency
order_amount	string	Order transaction amount, defined by the merchant
order_currency	string	Order currency code, i.e. ISO 4217 currency code, such as CNY, HKD, defined by the merchant
exchange_rate	string	Exchange rate
payment_address	string	Payment wallet address
created_time	integer(int64)	Order creation time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
cancel_time	integer(int64)	Order cancelled time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
transact_time	integer(int64)	Order payment completed time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
valid_time	integer	To determine the order expiration time , if not specified, the order expiration time will be 30 minutes as default. Please input in minutes. Minimum is 10 minutes.
status	string	Order Status new: Initial status of the order paid: The order has been successfully paid expired: The order has exceeded the valid time paid_over: Payment exceeds the order amount paid_partial: Payment is less than the order amount
remark	string	Remarks
tx_id	string	Transaction hash
payer_id	string	Payer unique ID. No more than 32 characters
payer_name	string	Payer’s name. No more than 32 characters
payer_email	string	Payer email
refund_requested	string	Whether a refund has been requested to the order no: no refund request record yes: a refund is requested
type	int	Refund type 0: partial refund 1: full refund
refund_id	long	Unique identifier of a refund generated by Cregis
refund_address	string	Refund receiving address
refund_currency	string	Refund currenccy：USDT-BEP20，USDT-TRC20
refund_amount	string	Refund amount
refund_fee	string	Refund handling fee that’s paid by receiver
actual_refund_amount	string	The actual refund amount after deducting the refund handling fee = refund_amount - refund_fee
refund_status	int	Refund status 0: refund in progress 1: refund successful 2: refund failed
refund_tx_id	string	Refund transaction hash
refund_created_time	string	Refund request creation timestamp e.g. 1720508269092 means 2024-07-09 14:57:49 092
refund_transact_time	string	Refund request transaction time e.g. 1720508269092 即 2024-07-09 14:57:49 092

Additional order `data` Object

Name	Type	Description
cregis_id	string	Cregis unique id
order_id	string	Merchant’s custom unique order ID.
receive_amount	string	The amount of the order after exchange rate conversion
receive_currency	string	The order currency code after exchange rate conversion
pay_amount	string	Actual Received Amount
pay_currency	string	Received currency
order_amount	string	Order transaction amount, defined by the merchant
order_currency	string	Order currency code, i.e. ISO 4217 currency code, such as CNY, HKD, defined by the merchant
exchange_rate	string	Exchange rate
payment_address	string	Payment receiving wallet address(Pay to address)
created_time	integer(int64)	Order creation time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
cancel_time	integer(int64)	Order cancelled time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
transact_time	integer(int64)	Order payment completed time. 13-digit timestamp. i.e. 1720508269092 is 2024-07-09 14:57:49 092
valid_time	integer	To determine the order expiration time , if not specified, the order expiration time will be 30 minutes as default. Please input in minutes. Minimum is 10 minutes.
status	string	Order Status new: Initial status of the order paid: The order has been successfully paid expired: The order has exceeded the valid time paid_over: Payment exceeds the order amount paid_partial: Payment is less than the order amount
remark	string	Remarks
tx_id	string	Transaction hash
payer_id	string	Payer unique ID. No more than 32 characters
payer_name	string	Payer’s name. No more than 32 characters
payer_email	string	Payer email
additional_pay_currency	string	Additional payment’s currency
additional_pay_amount	string	Additional payment’s amount
additional_payment_address	string	Additional payment’s receiving address(Pay to address)
additional_payment_tx_id	string	Additional payment’s transaction hash
additional_payment_tx_id	integer(int64)	Additional payment’s transaction time

Request Example

{
    "event_name": "order",
    "event_type": "paid",
    "data": {
        "cregis_id": "po20240703132452000",
        "order_id": "c9231e604da54469a735af3f449c880f",
        "receive_amount": "12.86",
        "receive_currency": "USDT",
        "pay_amount": "12.86",
        "pay_currency": "USDT",
        "order_amount": "100",
        "order_currency": "HKD",
        "exchange_rate": "0.1286",
        "payment_address": "0xd38c2cf366a731dcbe4a32c7ef24ff96d080ca7e",
        "created_time": 1719993183015,
        "cancel_time": null,
        "transact_time": 1719993183325,
        "valid_time": 30,
        "status": "paid",
        "payer_id": "p_001",
        "payer_name": "",
        "payer_email": "[email protected]"
        "remark":"remark",
        "tx_id": "0x0502f2bfd96cd0f55edea3343513940f3af7fe594eae77f08d2f46ea24829b11"
    }
}

Commons

WaaS

Payment Engine

Callback API

Callback event

Request method

Request parameters

Paid/Partial_Paid/Overpaid order `data` Object

Expired order `data` Object

Refund order `data` Object

Additional order `data` Object

Request Example

Commons

WaaS

Payment Engine

​Callback API

​Callback event

​Request method

​Request parameters

​Paid/Partial_Paid/Overpaid order data Object

​Expired order data Object

​Refund order data Object

​Additional order data Object

Request Example

Callback API

Callback event

Request method

Request parameters

Paid/Partial_Paid/Overpaid order `data` Object

Expired order `data` Object

Refund order `data` Object

Additional order `data` Object