General and product questions
Questions about interest.sg, a calculator, a data page, accessibility or a correction to public content.
hello@interest.sgSuggested subject:Product question — [tool or page]Choose the address that best matches your question. We do not use a web contact form; your own email provider sends the message directly to the selected interest.sg mailbox.
Do not send a password, one-time code, NRIC or passport number, bank login, card number, full bank-account number, or a complete Financial Profile. We will never ask for your password by email. For a calculation issue, send only the tool name, displayed rule/source date and a minimal example with personal details removed.
Response target: We aim to acknowledge ordinary enquiries within five business days. Complex, security or privacy matters may take longer.