⏰Postman Guide latest updates

Latest updates made to this document

Date	Pages	Updates
5 May 2025	Message content	Direct users to Postman message segment calculator to detect unsupported characters and updated replacement suggestions.
21 Apr 2025	Sending SMS using NRIC	Release of endpoints
8 Apr 2025	Sending SMS using NRIC	Updated feature to support decommission of Notify
4 Apr 2025	Terms of Use	Updated the Terms of Use
25 Feb 2025	Rate Limits	Updated Default API Rate Limit to 10
18 Feb 2025	Postman Data Security and Sensitivity classification	Restricted sensitive-normal data
10 Feb 2025	Blocking unsupported characters at the API layer	Details on blocking unsupported characters at the API layer Relevant API response error message
22 Jan 2025	Load Test Booking Requirement	What is load test and how can you book for load test
16 Jan 2025	The message object Single Send Single Send - Retry Retrieve Message Retrieve Batch Retrieve Campaign Message	Explanation of creatorId string Inserted creatorId into new response payloads effective 24 Feb 2025
26 Dec 2024	Deleting Campaigns	How to delete campaigns
10 Dec 2024	How do identify my agency PICs?	How to identify your agency PIC(s)
26 Nov 2024	Service Status	Postman's service status
	Postman Certificates	Link to Policy Document - for users who need to identify root CAs
19 Nov 2024	Postman v2 SLOs	Updated terminology Included more details on SLOs
14 Nov 2024	Postman v2 SLAs	Updated our SLAs
12 Nov 2024	Campaign creation	Changed "full access" and "can send messages only" campaign role terms to "campaign owner" and "member" respectively
24 Oct 2024	Message delivery errors	Updates on retrying routing_error
30 Sep 2024	Estimated SMS costs	Updates on new estimated costs for SMS
18 Sep 2024	The message object	recipients: changed from string to numeric
17 Sep 2024	Sending emails to users (Legacy Postman)	Updated link to access Legacy Postman to send emails out
	Sending messages via the Admin Portal	How to format messages to contain commas, line breaks and quotation marks
	Detailed explanation of error codes and new error code type: message_expired	Detailing error codes with troubleshooting steps, and introducing message_expired error code (release on 30 September 2024)
	Load test booking link	Book your TPS load test on Postman load test environment
	New fields to Retrieve Message API Body	Added "sent_at" and "delivered_at" fields to Retrieve Message API body.
21 Aug 2024	Updates to using "fake" numbers	Updated consequence of using "fake" numbers
20 Aug 2024	Checking whether sending via SFTP is successful	Updated examples of successful and failed file uploads
2 Aug 2024	User Access	Adding and removing PIC(s)
	Fill your Twilio credentials on Postman	Merged step 6 into step 4 as the information was repeated. Added some troubleshooting tips in step 5 .
2 Aug 2024	Message Delivery Error	Removed 65 9999 9999 from example trigger conditions for recipient_invalid error code
24 Jul 2024	Postman Policy Guide	[25 Jul 2024] Fix deployed for Postman Policy guide. Please log in with your TechPass/agency email address to view.
16 Jul 2024	Message Content Character Count	Updated with Postman's message segment calculator
4 Jul 2024	Postman v2 SLAs	Updated SLA
2 Jul 2024	Do not use "fake" numbers as recipients	Do not use fake numbers to send SMSes for testing purposes
27 Jun 2024	Message Content Message Object	Update on unsupported characters Update for corresponding status in dashboard
19 Jun 2024	Message Object	success definition under From 31 May had errors but has since been amended. No changes to the success definiiton in the lateststatus string table.
12 Jun 2024	Message Content	Removed 。 from unsupported characters list.
12 Jun 2024	Rate Limits Message Content Message Object	Provided updates for Rate Limits and SLAs. Added more unsupported characters.
10 Jun 2024	Rate Limits SLAs	Provided updates for Rate Limits and SLAs.
5 Jun 2024	Message Content Message Object	Updated variables where variable content should not start or end with a space.
4 Jun 2024	Authorised Sender ID Switch	New page how to switch sender IDs
30 May 2024	Message Content Message Object	Added ` (backtick) to list of unsupported characters. Added list of unsupported characters to Message Content page
24 May 2024	SFTP Integration	Removal of Oracle guide on SSH Key generation
	Generating SSH Keys	New commands to generate your SSH key pair Example of SSH keys
20 May 2024	The message object	Updated latest status
16 May 2024	Postman SFTP Production Site Launch	Launch of Postman SFTP Production Site
	API Errors	Renamed Errors page to API Errors
	The message object	Updated API response Updated status
	Attempt array of objects	New message objects for attempts
	Latest status	Updated with delivered
	Message delivery errors	New page - errors
	Retrieve message	Updated API response
	Retrieve batch	Updated API response
	Retrieve campaign message	Updated API response
14 May 2024	Single Send - Retry Batch Send - Retry	Added Single and Batch Send Retry endpoints
	Create campaign	Feature release: Campaign create access
3 May 2024	Logging into Postman v2	Removed Singpass login
	Access related inquiries	Updated with Singpass login FAQ
26 Apr 2024	Changing your message header	Updated criteria and examples where header name changes are permitted.
15 Apr 2024	Postman SFTP Integration Test	Updated with form link
8 Apr 2024	Terms & Condition Privacy Policy	Added Terms & Condition and Privacy Policy
31 Mar 2024	Postman v2 Production site launch	Updated production base URL. Please note that message sending is currently unavailable.
	Useful links	Updated with Postman v2's API Integration Test
	SFTP on Production Site	SFTP is not available on Postman v2's production site until June 2024.
	Temporary Sender Name	Updated conditions for agency's sender ID to appear under Postman v2's dropdown on production site.
21 Mar 2024	Internal SMS	Created guide for admin portal users on sending internal messages
13 Mar 2024	Important dates	Updated UI Training dates
8 Mar 2024	Load testing information	Do not conduct load testing on our test site
26 Feb 2024	Create campaign	General campaign creation guide for all users
	Message Logs	Created message logs page
	Sending messages via the Admin Portal	Created guide for admin portal users on sending messages
	Postman FAQ	Updated FAQ
23 Feb 2024	SLAs	SLAs for Postman v2.
	SFTP update	Updated the SFTP documentation
	FAQ updates	Added questions on SMS retry, priority tags, read statuses.
19 Feb 2024	SFTP update	Updated key types and info on IP address whitelisting
9 Feb 2024	Character Count	Updated character count rules
	Admin/member access	Differences between admin and member access
	SFTP update	Updated port number
29 Jan 2024	Rate Limits	Actual rate limits will be released at a later date
	Endpoints for API users	Updated full API payload for endpoints
	Character Count	Updated character count per message
23 Jan 2024	API users who do not want to manage your message templates within Postman	How to create line breaks in a message
	Postman v2 Admin Portal for API users	Updated screens
22 Jan 2024	Create campaign - Temporary sender name	Created temporary sender name section
	Overview	Updated production environment release dates
19 Jan 2024	The message object	Updated list of unsupported characters
	Integrations - IP address whitelisting	Updated IP address whitelisting
16 Jan 2024	SFTP Integration	Updated SFTP Docs
11 Jan 2024	Important Dates	Training dates updated on MS Teams
8 Jan 2024	Release of Postman test environment	Postman API test environment is now live. This site is meant for API testing purpose only.
5 Jan 2024	Release of WOG BTN MS Teams channel	WOG BTN Teams channel set up for agency PICs
4 Jan 2024	Create message Endpoints for API users Batch Send Retrieve Batch	Edited bulk to batch Edited endpoints containing word bulk to batch
31 Dec 2023	Postman test environment	We will be migrating our test environment domain, URL release will be shifted from 31 Dec 2023 to 8 Jan 2024
	The message object	recipient string - Removed the + in front of the country code
	Postman v2 admin portal	Created the UI flow for API users - end goal for users to whitelist IP addresses and obtain API keys
20 Dec 2023	Create message workflow	Updated workflow process Removal of "Option 2"
	API documents latest updates	Created page for updates to the API documents
	Postman v2 SMS API FAQ	Updated FAQ list
19 Dec 2023	Retrieve Batch	Updated Supported Query Parameters
18 Dec 2023	Postman v2 SMS API FAQ	Updated FAQ list
16 Dec 2023	SFTP	Released SFTP documentation
	Postman v2 SMS API FAQ	Updated FAQ list