← API catalog
Verified property-tax logicFREE

SG Stamp Duty Calculator

Calculate Singapore BSD and ABSD for property purchases with source-forward outputs and tier breakdowns.

Try endpoint

Endpoints

  • POST /stamp-duty
  • GET /bsd
  • GET /absd

Parameters

priceproperty_typebuyer_profileproperty_count

Example request

curl 'https://bountyapi.com/bsd?price=1000000'

Example response

{
  "price": 1000000,
  "property_type": "residential",
  "bsd": 24600,
  "source": "iras.gov.sg"
}

Source

IRAS stamp duty rates, verified against published examples.

Limitations

ABSD depends on buyer profile and property count. Use POST /stamp-duty for full calculation.