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.
API Maintenance Notice
This API in Production will not be available till Jun 2023. The API service in Sandbox Environment will not be supported during this period.
Please contact firstname.lastname@example.org if you have queries relating to this API.
*The date indicated is not final and may subject to change*
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.