Knowing the core API capabilities helps you design user journeys and streamline compliance operations.

(Integration details, request/response formats, and error codes are available in the Quicko GSP API documentation.)

e-Invoicing via IRP

APIs connected to GSTN’s Invoice Registration Portal (IRP) enable real-time e-Invoice lifecycle management, including:

• IRN Generation – Submit invoice payloads to obtain an Invoice Reference Number (IRN).
• IRN Cancellation – Cancel previously generated IRNs within the allowed time window.
• Signed JSON / QR Retrieval – Retrieve IRP-signed JSON and QR code for downstream use.
• PDF Rendering at ASP Layer – Generate human-readable invoice PDFs incorporating signed data and QR codes.

E-Way Bill APIs

E-Way Bill (EWB) APIs help automate goods movement compliance across states and territories, including:

• EWB Generation – Create new E-Way Bills for consignments.
• Validity Extension – Extend validity where permitted under GST rules.
• Updates – Amend key fields such as goods details, origin/destination.
• Cancellation – Cancel E-Way Bills when shipments are aborted.
• Vehicle / Transporter Updates – Update vehicle numbers or transporter details during transit changes.

Help?

Raise a Ticket to connect with Quicko’s GSP team and get started.