A Singapore Government Agency Website How to Identify
Official website links end with .gov.sg
Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted website
Secure websites use HTTPS
Look for a lock (
) or https:// as an added precaution. Share sensitive information only on official, secure websites.
Downloads
| Name | File Type | File Size | Link |
| IRAS API Marketplace User Guide | pdf | 740.1 KB | iras_api_marketplace_user_guide.pdf |
| IRAS CORPPASS API & Callback URL Guide | pdf | 610 KB | iras_corppass_api_and_callback_url_guide.pdf |
| IRAS ASR+ API Onboarding Guide v1.4 | pdf | 975 KB | IRAS ASR+ API Onboarding Guide v1.4.pdf |