If you want to upload GSTR-1 directly from BUSY or from Excel/JSON, follow these steps:
Step 1: You must have a Standard or Enterprise license of BUSY.
Step 2: Go to Administration then click on Configuration and further click on Features and Options.
Step 3: Select GST/VAT. On the right side enter your GST portal name and save it.
Step 4: Open your GST portal and click on My Profile.
Step 5: On the left side, click on API Manage and enable it. Set a 30-day time for OTP generation and save it successfully.
Step 6: Go to Display, then click on GST Report, and select GST Return.
Step 7: Click on GSTR-1 E-return. We have the following options: Direct Upload, JSON, CSV Files, As per Govt. Template, Click, and Plain Excel.
Step 8: If you want Direct Upload, click on it. You will receive an OTP on your registered mobile number or email. Fill it, and it's uploaded on the portal.
Step 9: If you want JSON/Excel, click on it and set the folder in which you want to save the file.
Step 10: Open Your Portal & upload the JSON.