
API Products


This API facilitates the use of CorpPass to gain access to CorpPass-enabled IRAS APIs.

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.

This is a sandbox testing service for “Organisation Search” API. It allows you to check if the organisation is participating in the Auto-Inclusion Scheme (AIS) for Employment Income.

By clicking subscribe, you are agreeing to the API Terms and Conditions found below.

By clicking subscribe, you are agreeing to the API Terms and Conditions found below.

The rental submission API enables property owners to submit rental information (e.g. net rent, service charge and advertising and promotion fee, gross turnover rent, etc.) for property tax assessments.
By clicking subscribe,you are agreeing to the API Terms and Conditions found below

This API allows software developers and banks to incorporate within their software the feature of checking the authenticity of the stamp certificate as well as retrieving the stamp certificate information from IRAS.
By subscribing, you are agreeing to the API Terms and Conditions found below.

The Stamp Duty calculator API enables you to check the amount of stamp duty payable for the different document types (e.g. Property transfer, lease, share transfer, mortgage, etc.)
Note: The calculator API provides only estimates based on the stated assumptions and your inputs. It may not provide for all possible scenarios.
By clicking subscribe, you are agreeing to the API Terms and Conditions found below.