Opus overview
What Opus is
Opus is a low-code platform that enables government agencies to automate workflows and build business rules using a drag-and-drop visual editor. It is pre-connected to whole-of-government (WoG) tools, with security and compliance built in.
Opus is hosted on the Government Commercial Cloud (GCC) and classified for Restricted, Sensitive Normal. It is available for sign-up at opus.gov.sg and will be available for subscription via the TechBiz Portal.
Who is Opus for?
| Role | What you use Opus for |
|---|---|
| Administrator | Create projects, manage users, generate access tokens, and manage billing |
| Developer / Editor | Build, test, and deploy workflows and decisions using the drag-and-drop editor |
| Viewer | View projects, workflows, and decisions (read-only) |
Key capabilities
| Capability | Description |
|---|---|
| Workflows | Automate processes across systems by connecting nodes (triggers, AI, API, decisions, notifications) in a visual editor |
| Decisions | Define business rules and logic (eligibility checks, validations, computations) that can be updated independently of code |
| Node library | 35+ nodes including WoG integrations (APEX, CFT, GovWallet, AISay, BookingSG, Postman) and general-purpose nodes (API, Function, Switch, Storage) |
| Testing and simulation | Test workflows and decisions with sample data before deploying to staging or production |
| Life cycle management | Git-like versioning, regression testing, release management, and separate staging/production environments |
| API execution | Execute published workflows and decisions via REST API endpoints |
| Scheduling | Schedule workflows to run at defined intervals or specific times |
Documentation
| Section | What you will find |
|---|---|
| Get started with Opus | Sign up, get access, create your first project and workflow |
| Opus core concepts | Architecture, workflows vs decisions, nodes, life cycle model |
| How to build workflows | Create workflows, configure triggers, and add nodes |
| How to build decisions | Create decisions, configure inputs, and add rule nodes |
| How to publish and release | Publish changes, run regression tests, and create releases |
| Node reference | Configuration details for all 35+ node types |
| Limits and constraints | Platform limits for workflows, decisions, and payloads |
| Automate a grants workflow end to end | Step-by-step tutorial building a complete grants automation |
| Troubleshooting | Common issues and resolution steps |
| Release notes | Latest platform updates and feature releases |
What’s new
- 27 August 2026 (v1.17.0) — New guided walkthrough to help users learn the workflow editor step by step.
- 31 July 2026 (v1.15.0) — Claude Opus 5, Sonnet 5, and Fable 5 are now available as model options in AI Model nodes.
- 16 July 2026 (v1.14.0) — New Databricks node for SQL queries and job management from within workflows.
For the full release history, refer to Release notes.
Access and eligibility
- Available to: Singapore government agencies and their vendors/contractors
- Authentication: TechPass account required
- Devices: Non-SE GSIB, SEED, and COMET machines (some agencies may have additional network constraints)
- Classification: Restricted, Sensitive Normal
