# Twilio: WhatsApp Sandbox Number Messaging Functionality Degraded

> Twilio status incident “WhatsApp Sandbox Number Messaging Functionality Degraded” on 2020-10-15: impact minor (vendor’s label), 8.7 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1
Last updated: 2020-10-16T03:58:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2020-10-15 19:17 UTC · Resolved: 2020-10-16 03:58 UTC · Duration: 8.7 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/c3ftnyzzt9x1](https://status.twilio.com/incidents/c3ftnyzzt9x1)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2020-10-16 03:58 UTC: We are no longer experiencing delivery failures for WhatsApp messages to/from the Sandbox phone number. This incident has been resolved.

_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: minor) posted by Twilio, started 2020-10-15 19:17 UTC, resolved after 8.7 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1
- Citation: Twilio, “WhatsApp Sandbox Number Messaging Functionality Degraded” (2020-10-15 19:17 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1 (CC BY 4.0).
- Markdown link: `[Twilio: WhatsApp Sandbox Number Messaging Functionality Degraded (2020-10-15)](https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1)`


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Canonical: https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1 · Markdown: https://rewindex.com/company/twilio/incidents/c3ftnyzzt9x1.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/c3ftnyzzt9x1 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:32:35.239Z