# Twilio: WhatsApp Sandbox Messages Not Returning Delivery Status (stuck in "Sent")

> Twilio status incident “WhatsApp Sandbox Messages Not Returning Delivery Status (stuck in "Sent")” on 2021-05-14: impact minor (vendor’s label), 1.8 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/b6jp6294w2cv
Last updated: 2021-05-14T17:06:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2021-05-14 15:20 UTC · Resolved: 2021-05-14 17:06 UTC · Duration: 1.8 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/b6jp6294w2cv](https://status.twilio.com/incidents/b6jp6294w2cv)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2021-05-14 17:06 UTC: We are no longer experiencing WhatsApp Sandbox delivery status failures. This issue is now 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 2021-05-14 15:20 UTC, resolved after 1.8 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/b6jp6294w2cv
- Citation: Twilio, “WhatsApp Sandbox Messages Not Returning Delivery Status (stuck in "Sent")” (2021-05-14 15:20 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/b6jp6294w2cv (CC BY 4.0).
- Markdown link: `[Twilio: WhatsApp Sandbox Messages Not Returning Delivery Status (stuck in "Sent") (2021-05-14)](https://rewindex.com/company/twilio/incidents/b6jp6294w2cv)`


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Canonical: https://rewindex.com/company/twilio/incidents/b6jp6294w2cv · Markdown: https://rewindex.com/company/twilio/incidents/b6jp6294w2cv.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/b6jp6294w2cv · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:08:52.748Z