# Contentful: Experience API experiencing issues on upsert operations

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-17 09:05 UTC · Resolved: 2026-08-17 11:56 UTC · Duration: 2.9 h
- Updates: 4 · Affected components: Experience API, Ninetailed (Personalization) - Experience API
- [Vendor status page: https://stspg.io/qksfwz995mrq](https://stspg.io/qksfwz995mrq)
- [Company: Contentful](https://rewindex.com/company/contentful.md)

## Timeline of updates

- **investigating** 2026-08-17 09:05 UTC: We are investigating an issue where customers are experiencing errors with upsert operations on the Personalization Experience API.
- **identified** 2026-08-17 09:37 UTC: We have identified the issue and are working with our upstream provider to provide a fix.
- **monitoring** 2026-08-17 10:19 UTC: We have mitigated the issue and are seeing improvements on the error rates. We will continue monitoring the situation.
- **resolved** 2026-08-17 11:56 UTC: The incident is resolved


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Canonical: https://rewindex.com/company/contentful/incidents/rlxrf5rg4j4m · Markdown: https://rewindex.com/company/contentful/incidents/rlxrf5rg4j4m.md · JSON: https://rewindex.com/api/v1/companies/contentful/incidents/rlxrf5rg4j4m · Generated 2026-10-18T09:42:59.260Z