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Ready-made, step-by-step implementation patterns for building robust GST workflows. Get actionable code samples and API sequences for automating returns, validating compliance, and integrating GST logic into your business applications.
New to Sandbox GST APIs? Start with our GST Product Overview to understand the full capabilities, then come back here to implement specific workflows.

Authentication

Establish secure sessions before making GST API calls. These recipes guide you through generating authenticated sessions for different GST services.

GSTR-1 Filing

File your outward supplies return with these step-by-step recipes. Covers both regular and nil return scenarios.

GSTR-3B Filing

File your summary return with automated tax liability computation. Supports regular and nil filing scenarios.

GSTR-9 Filing

File your annual return consolidating all monthly/quarterly returns into a comprehensive yearly summary.

E-Invoice

Generate and manage E-Invoices via the Invoice Registration Portal (IRP). Ensure B2B transaction compliance.