# Customer.io: Some customers are experiencing data processing and message-sending delays

> Customer.io status incident “Some customers are experiencing data processing and message-sending delays” on 2026-07-20: impact minor (vendor’s label), 0 min, 4 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn
Last updated: 2026-07-20T22:58:47Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-07-20 22:58 UTC · Resolved: 2026-07-20 22:58 UTC · Duration: 0 min
- Updates: 4 · Affected components: Data Processing, Message Sending
- [Vendor status page: https://status.customerio.com/incidents/9yhy8zhd25pn](https://status.customerio.com/incidents/9yhy8zhd25pn)
- [Company: Customer.io](https://rewindex.com/company/customer-io.md)

## Timeline of updates

- **investigating** 2026-07-20 21:35 UTC: Our engineers are currently looking into an issue that is causing data processing and message-sending delays for a small subset of customers in the US region. We apologise for any inconvenience caused.
- **identified** 2026-07-20 22:29 UTC: The issue has been identified and we're working on a fix. Thank you for your patience.
- **monitoring** 2026-07-20 22:38 UTC: A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.
- **resolved** 2026-07-20 22:58 UTC: This incident has been resolved and all backlogs have been processed.

## Cite this

Status incident (vendor impact label: minor) posted by Customer.io, started 2026-07-20 22:58 UTC, resolved after 0 min, 4 update(s).

- Canonical URL: https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn
- Citation: Customer.io, “Some customers are experiencing data processing and message-sending delays” (2026-07-20 22:58 UTC). Archived by Rewindex: https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn (CC BY 4.0).
- Markdown link: `[Customer.io: Some customers are experiencing data processing and message-sending delays (2026-07-20)](https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn)`


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Canonical: https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn · Markdown: https://rewindex.com/company/customer-io/incidents/9yhy8zhd25pn.md · JSON: https://rewindex.com/api/v1/companies/customer-io/incidents/9yhy8zhd25pn · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T21:50:27.996Z