This document provides a step-by-step guide elaborating on how to complete various development tasks.

Prerequisites

Before getting started with the integration process, make sure to complete the following prerequisites:

• Read through the Introduction to familiarize yourself with the overall workflow and core features.
• Get onboard with WorldFirst. Work with our solution architect team to produce an integration plan.
• Retrieve the necessary information from WorldFirst Technical Support, which include:

• Domain name of endpoints
• Client ID
• WorldFirst public key
• WorldFirst outbound IP address range
• IP address whitelist (For offline integration)

API integration solution

WorldFirst provides a comprehensive solution to support API integration.

• Start with the Getting started with WorldFirst APIs chapter for a quick walkthrough. This step gives you hands-on experience with WorldFirst APIs.
• For development via API, the Partner needs to read through the basic information with regard to WorldFirst APIs. For example:

• Procedures to call an API.

For more details, refer to the Message transmission workflow section in the API Overview chapter.

• Add and verify signatures.

For more details, refer to the Sign a request and verify the signature chapter.

SDK integration solution

SDK integration solution is planned and to be released in the near future.

General procedure

The general steps for a successful integration process take the following steps to make a payment:

1. Create a payment order.
2. Customer completes the payment.
3. Partner inquires about the payment.
4. Partner receives payment notification.