Confused by PayNow, FAST, GIRO and eGIRO? Here’s how each rail works, when to use it, typical limits and fees to expect—plus how to keep remittance costs down.

Contents

  • The rails at a glance
  • When to use which rail
  • Typical limits & timings
  • How to move money overseas cheaply
  • Safety tips & dispute basics

The rails at a glance

  • FAST: real-time interbank transfer rail.
  • PayNow: overlay on FAST using mobile/NRIC/UEN proxies for instant transfer.
  • GIRO: batch debit/credit for bills and payroll (not instant).
  • eGIRO: digital authorisation of GIRO mandates—faster setup, fewer paper forms.

When to use which rail

SituationRecommended RailWhy
Split a dinner billPayNow (to mobile)Instant, simple proxy
Pay a contractor or small businessPayNow to UEN / FAST to accountInstant; UEN identifies the business
Monthly utilities or telecom billsGIRO / eGIROAutomated, reliable
One-off large local transferFASTReal-time up to bank’s limit
Send money overseasBank remittance / specialist providerCompare fee + FX spread

Typical limits & timings (indicative)

  • FAST/PayNow: bank-specific daily limits; many banks support up to S$200,000 for FAST on retail—check your bank settings.
  • GIRO: not instant; allow 1–3 business days for first pull; eGIRO can speed up setup.

Cross-border transfers: keep costs down

  • Two parts form your cost: a transfer fee and the FX spread.
  • For frequent corridors, compare your bank’s remittance schedule with a reputable FX/remittance provider; run a small test before moving large sums.
  • If receiving abroad, confirm receiving bank fees and expected credit date.
Tools: Account Fees · Our upcoming Currency Converter (Tools page) · Compare Two Banks

Safety tips & disputes

  • Verify payee names (PayNow shows registered name).
  • For large transfers, send S$1 first, confirm receipt, then send the rest.
  • Enable transaction alerts and daily transfer limits.


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Sophia Tan

About the Author

Helen Lili – Editor, Research Lead
Helen leads tariff analysis and product change tracking. She maintains the normalized dataset that powers our comparison tables and ensures each claim links back to a dated primary source. Read more articles

Disclaimer:The BankOpen Singapore Editorial Team consists of financial analysts, banking industry professionals, and experienced writers. We are dedicated to providing accurate, up-to-date, and practical insights to help readers navigate Singapore’s banking landscape and make informed financial decisions. The information provided in this article is for general informational purposes only and does not constitute financial, investment, or legal advice. Always consult with a qualified professional before making any banking or investment decisions.