API Documentation
E-Invoice API
API for generating and managing e-invoices.
Eway Bill API
API for generating and validating e-way bills.
GSTIN Validator
Validate GSTINs to ensure correctness and compliance.
GSTR-1 APIs
APIs for managing GSTR-1 returns.
GSTR-2 APIs
APIs for managing GSTR-2 returns.
GSTR-3B APIs
APIs for managing GSTR-3B returns.
GSTR-1A APIs
APIs for managing GSTR-1A returns.
IMS APIs
APIs for managing IMS.
GSTN Generate OTP
Generate OTP for GSTN authentication.
GSTN Establish Session
Establish a session with GSTN for transactions.
File Details API
Get details of large files from GSTN
File Download API
Download large files from GSTN
Delete Invoice
APIs for deleting and Invoice from the sales register
JWT Authentication (API Login)
API Login to GSTZen
Create GSTIN
APIs to Add GST Number in GSTzen
Add E-Invoice credentials
API to add E-Invoice credentials