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Getting started with WorldFirst APIs

This document provides a comprehensive guide to make your first WorldFirst API call with Postman.

Step 1. Contact WorldFirst Technical Support to obtain the sample script and import the file to your Postman Workspace.

Note: For the first-time integrating Partners, make sure your IP address is on the whitelist.

Step 2. Configure the necessary prerequisites for loading your API request header.

Parameters in header:

  • HTTP URL: http://{domain_name}.com/amsin/api/v1/business/inquiryPayOrder
  • Method: POST
  • Client-Id: *****
  • Signature: algorithm=RSA256,keyVersion=1,signature=KEhXthj4bJ801Hqw8kaL*****

Note: The signature provided above is a demo signature. For detailed steps to generate a unique signature instead of using a testing signature, refer to the Calculate and generate the signature chapter.

  • Content-type: application/json
  • request-time: now()

Step 3: Click on the Body tab above the value field. Choose the raw option, and insert the following request body into the text box:

copy
{
  "paymentId":"202205311*****"
}

Step 4: Click on the Send button to initiate your first WorldFirst API call. In the Response section, you would be able to see the response indicating the API call is successful.

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