About Postman v1 (Postman Legacy)
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Postman is a mass messaging tool for the Singapore Government. These messages can be sent via our web app directly (see ) or via sms/email API integration (see /).
We've sent out more than 100 million messages from over 90 agencies. These include quarantine orders, COVID-19 test results, and employer notices.
Start using Postman by logging in with your @agency.gov.sg email address!
URL (Updated: 1 Apr 2024)
Guides
What does each Postman product support
Emails via the admin portal (Postman v1 email UI)
Email API, only available for existing email API users.
Postman v1 SMS users that will not be included in BTN
Please continue using Postman v1 to send out your SMSes
Postman v2 SMS for agencies included in BTN, including
Postman v2 SMS - API
Postman v2 SMS - Admin Portal (UI)
Postman v2 SMS - SFTP
Am I affected by BTN?
The following organisations will not be affected by BTN
Public healthcare institutions
All agencies affected by BTN have already been contacted by the BTN team
Easily customize messages to reach a wide audience: Create a message template, upload a file containing customization parameters, and we will handle the rest for you.
Mass send emails: Just click Send campaign and Postman will send those messages out to your intended audience via email.
Mass send SMSes: Enter your Twilio credentials under Settings, and Postman will send those messages via SMS. No integration with Twilio is needed.
View stats: Keep track of your campaign's progress as it is sending and check back when it is completed.
Scheduled sending: Create your campaign but send it out at a later time.
Emails, SMSes and Telegram messages are not 100% secure. Users should be wary of putting sensitive information directly in your message body. Depending on the level of sensitivity, users can consider using recipient-specific, high-entropy links or requiring further authentication to see sensitive information.
The Postman web app can be accessed on GSIBs that allows Secure Internet Surfing.
Normal email/SMS
Non-sensitive to sensitivity low-normal
Transaction
Notification
Information broadcast
Receipts
Reminders
Password-protected email
Sensitivity high/restricted
COVID-19 test result
Blood test result
Exam test result
Email, SMS, and Telegram Bot
Manual intervention required
@agency.gov.sg email access to log in
You will need to request for a @agency.gov.sg email address from your respective agency if you do not have one.
Email & SMS
System-generated
Engineering or IT team to send messaging info from the source system to Postman.
Exceptions that have been cleared by the BTN and SNDGO team. If you are unsure whether or not you are affected by BTN, please .
We provide a modern, cost-effective, and compliant PaaS for government agencies to send programmatic emails and messages. Head over to the to find out more.
Head over to our to find out more.
We use cloud infrastructure so we can handle up to Confidential (Cloud-Eligible) data. For more information, you may refer to the section of our guide on (.gov.sg login required).
Web App: Users can access Postman by going to . The web app has a user interface that allows users to send templated messages via campaigns.
Programmatic APIs: Users who manage their own systems could also call our APIs to send messages programmatically. In order to use this feature, you need to generate an API key from Settings in the Postman web app. You can find more by going to our / here.
Postman is open-sourced. Visit our to start contributing to our code. Contributing guidelines can be found .
