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Overview

📄️ Get Started

Create an business account and lean how to build on Wonder.

📄️ Create AppID

The AppID is an important credential for you to call the Wonder OpenAPI. One AppID can only be associated with one Business Account.

📄️ Authentication

Authentication requires the creation of an AppID, and requests must be signed according to the signature algorithm provided in this document.

📄️ Process Request

The Wonder API is organized around REST. Our API has predictable resource-oriented URLs, accepts JSON-encoded request bodies,

📄️ Webhook

Create an event destination to receive events at an HTTPS webhook endpoint. After you register a webhook endpoint,

📄️ Environments

All Wonder Gateway OpenAPIs use the same endpoint, different environments provide different access to the domain name, except for the domain name all other information is identical (including API Uri / Header etc...).

Next
Get Started
Venus Pay

Venus Pay — payments infrastructure for Hong Kong SMEs.

Venus Pay Limited operates as a payment facilitator. Acquiring services are provided by our licensed partner. Funds settle directly to the merchant’s nominated bank account.
sales@venuspay.com.hk
© 2026 Venus Pay Limited.

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