# Sinch: Rollback Notification - Sinch Maintenance Notification - REST API

> Sinch status incident “Rollback Notification - Sinch Maintenance Notification - REST API” on 2020-05-27: impact none (vendor’s label), 0 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy
Last updated: 2020-05-27T10:40:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2020-05-27 10:40 UTC · Resolved: 2020-05-27 10:40 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://status.sinch.com/incidents/r0k3rm1bs9yy](https://status.sinch.com/incidents/r0k3rm1bs9yy)
- [Company: Sinch](https://rewindex.com/company/sinch.md)

## Timeline of updates

- **resolved** 2020-05-27 10:40 UTC: We are writing to inform you that due to unforeseen events we have been forced to rollback the below mentioned change Start Time: 2020-05-27 05:00 UTC End Time: 2020-05-27 07:00 UTC Rollback time: 2020-05-27 10:22 UTC Impact: Clients may have observed MT failures with Aborted status submitted using Rest API. A new notice will be submitted once the new date has been scheduled and we offer our sincerest apologies for any inconvenience this may have caused. Concerned maintenance notice: Sinch Maintenance Notification - REST API Dear Client, We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our REST API platform, we will be performing a maintenance to standardized the error codes in the delivery receipts starting at the time specified below. Updated error codes can be found here - https://developers.sinch.com/docs/sms-smpp-error-specification\#section-status-reports-error-codes Also, please continue to use the 4xx error codes found here - https://developers.sinch.com/docs/sms-guide\#section-delivery-report-error-codes Start Time: 2020-05-27 05:00 UTC End Time: 2020-05-27 07:00 UTC Impact MT: No REST API traffic impact expected Impact MO: No REST API traffic impact expected. Impact DR: Updated error codes will be returned in the REST API delivery receipts We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled, we will advise you accordingly. Please contact support@sinch.com should you require further information or assistance. Sincerely, Sinch

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by Sinch, started 2020-05-27 10:40 UTC, resolved after 0 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy
- Citation: Sinch, “Rollback Notification - Sinch Maintenance Notification - REST API” (2020-05-27 10:40 UTC). Archived by Rewindex: https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy (CC BY 4.0).
- Markdown link: `[Sinch: Rollback Notification - Sinch Maintenance Notification - REST API (2020-05-27)](https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy)`


---
Canonical: https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy · Markdown: https://rewindex.com/company/sinch/incidents/r0k3rm1bs9yy.md · JSON: https://rewindex.com/api/v1/companies/sinch/incidents/r0k3rm1bs9yy · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:26:53.442Z