[IMPORTANT]: Please note that from 11 April 2021, you will be required to login to government digital services for businesses (G2B) using Singpass instead of Corppass. For more information, visit go.gov.sg/corporate-login.
Ad-hoc Maintenance Hours (Singapore Time) : Singpass & Corppass API services will not be available during these times:-
Weekly Maintenance Hours (Singapore Time): Everyday 1:00 PM – 3:00 PM | Monday to Saturday 8:00 PM – 10:00 PM | Sunday 8:00 PM - 3:00 AM
Singpass & Corppass Maintenance Hours (Singapore Time): Every Wednesday 3:00 PM – 11:59 PM
The e-Stamping API allows the data transmission of the contract or instrument details from the developer’s system to IRAS for e-Stamping purpose. The e-Stamping API covers common documents such as Sale & Purchase, Lease, Share Transfer and Mortgage.
You must be a registered user to the e-stamping portal and you will need to install security certificates to consume this API.
Please check with IRAS on the certificate details and testing.
By subscribing, you are agreeing to the API Terms and Conditions found below.
The APIs allow accounting software developers to incorporate within their accounting software the feature for authorised taxpayers to validate and submit GST information (GST Returns, Transaction Listings) to IRAS directly. (Note: This is only open to developers who are invited to participate in the pilot.)