Transaction Query

Overview

This section enabled developers to integrate with AXS Transaction Query API to retrieve transaction record for verification.

Endpoint

UAT

Production

GET https://member.uat.pay.axs.com.sg/api/hpp/v2/transaction/{merchantLinkId}?data={JWE compact serialization}

merchantLinkId to be retrieved from the base payment link. Click here if you have not generate one.

https://{domain}/hpp/checkout/{merchantLinkId}

AXS uses JSON Web Encryption (JWE) to encrypt the request parameters. Do refer below for the JWE header info:

alg	PBES2-HS512+A256KW
enc	A256GCM
p2s	Salt (UUID)
p2c	Iteration (fixed value: 1000)
kid	Client ID

Request Parameters

Parameters	Required	Remarks
merchantRef		Merchant's unique merchant reference. Max 40 characters.

Sample Request Data

{"merchantRef": "Ref123-abc"}

Sample Code

Sample Final URL

Response Parameters

Parameters	Required	Remarks
amount		Payment amount in dollar. Example: 101.01
currency		Default is "SGD" Currently only support SGD.
transactionRef		AXS' unique transaction reference. Example: 1448241333514969089
merchantRef		Merchant's unique merchant reference from Step 1.
terminalId		Merchant's input information.
status		Payment status: SUCCESS - Payment successful. DECLINED - Payment declined. Applicable to card payment. EXPIRED - QR code expired. Applicable to QR payment. SENT - QR code generated pending for payment. Applicable to QR payment
transactionType		Transaction record type: PAY - Payment record. VOID - Void record. REFUND - Refund record.
responseCode		Payment response code. Example: 00 - payment successful Other codes - unsuccessful
paymentScheme		Payment scheme. Available value: VISA / MASTERCARD / PAYNOW / ALIPAY / WECHATPAY
paymentDateTime		Payment date time in (ISO 8601) standard. Example: 2025-12-10T09:14:01.201466Z

Sample Response Data

[{"amount":"10.23","currency":"SGD","transactionRef":"1428191406936641536","merchantRef":"Ref123","terminalId":"Terminal-1","status":"SUCCESS","transactionType":"PAY","responseCode":"00","paymentScheme":"VISA","paymentDateTime":"2026-01-16T01:22:46.010508Z"}]

Decrypted response details will be in array and may contain more than 1 record.

Overview#

Endpoint#

Request Parameters#

Response Parameters#

Overview

Endpoint

Request Parameters

Response Parameters