Service levels and network
Service levels
| Metric | Target |
|---|---|
| Service Level Availability (SLA) | 99.5% |
| Recovery Time Objective (RTO) | 4 hours |
| Recovery Point Objective (RPO) | 24 hours |
Support and incident management
Opus is onboarding to GovTech Operations Centre (GTOC) services. Issues that cannot be resolved by GTOC are escalated to the product team for L2 and L3 support.
Network requirements
Opus is hosted on the Government Commercial Cloud (GCC) and is accessible on non-SE GSIB, SEED, and COMET machines. Some agencies may have additional network constraints.
URL whitelisting
The following URLs must be whitelisted for Opus to function correctly:
| URL | Purpose |
|---|---|
opus.gov.sg |
Landing page and sign-up |
oms.opus.gov.sg |
Management system (production) |
oms.stg.opus.gov.sg |
Management system (staging) |
lite.production.oes.opus.gov.sg |
Execution server (production) |
lite.staging.oes.opus.gov.sg |
Execution server (staging) |
For the full list of URLs including CDN, authentication, and third-party integration endpoints, refer to the source repo’s whitelisted URLs page.
IP whitelisting for incoming webhooks
If your external system needs to call Opus workflows via webhook, whitelist the Opus execution server IP addresses on your firewall. [VERIFY: specific IP addresses not documented in source material — contact the Opus team for current IPs]
Contact
- Community: Microsoft Teams or Slack
- Feedback: go.gov.sg/opus-feedback
