Signature Verification

The order of message delivery to developers is not guaranteed. Therefore, upon receiving a message, you must verify it via the Order Query API before proceeding with any business logic.

Message Delivery Method:

Messages are sent via POST form-data (not JSON).

Request Parameters:

Parameter	Type	Description
message	String	Message content
signature	String	Signature value (generated using HmacSHA1)

Signature Verification（Java Example）

The following example demonstrates how to generate the signature using HmacSHA1.

Java Example：

Call Example :