GST Submit OTP API
Validate the GST authentication OTP with the client ID to complete GST portal authentication, the second step after GST Request OTP.
What the GST Submit OTP API does
GST Submit OTP validates the OTP the taxpayer received and completes GST portal authentication. You send the OTP with the client ID returned when the OTP was requested.
Together with GST Request OTP it confirms that the business really controls the GST account it has given you, before you rely on that account's data.
Where teams use the GST Submit OTP API
Completing consent-based GST verification
Confirming a merchant controls its GST login before onboarding
Authorising access to a business's GST portal data
Frequently Asked Questions (FAQs)
What do I need to send?
The OTP the taxpayer received and the client ID from GST Request OTP.
Do I call GST Request OTP first?
Yes. This call completes the authentication that GST Request OTP starts.
Start verifying with the GST Submit OTP API
Book a walkthrough and we will show the call, the response and how it fits your onboarding flow.
- One API key for every check
- Verified against official Indian records
- Built for onboarding at scale