User Guide for Creating e-Invoice API Login Details and Configuring in GSTZen for StaffingGo - EInvoice integration

This guide explains the procedure for creating e-Invoice API login details on the NIC e-Invoice portal (https://einvoice1.gst.gov.in) and configuring them in GSTZen.

⚠️ Note: At times, the portal may display an error message stating “credentials are already created” even if you are attempting this for the first time. This is a known issue on the portal.

Contents

1. Section 1: Registration in Production e-Invoice Portal

2. Section 2: Logging into the API Portal through GSTZen

Step 1: Registration in Production e-Invoice Portal

1. Login to NIC e-Invoice Web Portal

   • Open https://einvoice1.gst.gov.in.

   • Click on Login.

   • Enter your Username and Password.
     

2. If you are already registered on the E-Way Bill production portal, you may use the same credentials here.

2. Navigate to API Registration

   • Click on API Registration in the menu.
     

3. Create API User

   • Click on User Credentials → Create API User.
     

4. Verify OTP

   • An OTP will be sent to your registered mobile number.

   • Enter the OTP and click Verify OTP.
     

5. Select GSP (GST Suvidha Provider)

   • Choose Through GSP option.

   • From the dropdown, select CLOUDZEN SOFTWARE LABS PRIVATE LIMITED (GSTZen).
     

6. Create API Credentials

   • Create a unique API-specific Username and Password.

   • Click on Submit.
     

   • Please remember/Note the username and Password enter while registering 

7. Confirmation

   • A success message will be displayed: “User creation successful.”
     

Step 2: Logging into the API Portal through GSTZen

1. Login to GSTZen portal

   • Open https://my.gstzen.in/

   • Click on Login.

   • Enter your Username and Password.
     

2. Add New GSTIN

   • Click on Add New GSTIN→ Enter GSTIN details of customer. 

   • Select Tax payer Type as Regular.

   • Click on Add account.
     
     

3. Access E-Invoicing in GSTZen

   • Click on Customer name

   • Navigate to your GSTIN detail page in GSTZen.

   • Click on E-Invoicing.
     

4. Configure API Credentials

• Click on Configure API Credentials.
  

5. Change Login Details

• Select Change E-Invoice Portal Login details.
  

4. Enter Portal Credentials

   • Provide the following details:

     • Portal Username (starts with API_)

     • Portal Password

     • Select Portal Type → Official Portal (Production)
       

5. Save Configuration

   • Click Login to complete setup.

✅ Your GSTZen account is now successfully configured with e-Invoice API credentials.