# Brex: Unexpected invalidation of some Developer API Tokens

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-09-21 17:54 UTC · Resolved: 2026-09-21 17:54 UTC · Duration: 0 min
- Updates: 1 · Affected components: Partner API, Authentication
- [Vendor status page: https://stspg.io/h209w99fc48m](https://stspg.io/h209w99fc48m)
- [Company: Brex](https://rewindex.com/company/brex.md)

## Summary

Brex reported a major incident involving unexpectedly invalidated Developer API tokens affecting Authentication and Partner API. It was marked resolved, starting and ending at 2026-09-21 17:54 UTC (computed duration: 0 min), although the update said investigation was ongoing. Affected customers must generate new tokens in developer settings because invalidated tokens cannot be reused. _(machine-written, sol)_
## Timeline of updates

- **resolved** 2026-09-21 17:54 UTC: We are aware of reports of developer API tokens getting unexpectedly invalidated. We are currently investigating this issue. Customers who are affected will need to generate new tokens in developer settings as the affected tokens cannot be re-used.

## Rewindex changes for this incident

- 2026-09-21 17:54 UTC: [Major incident: Unexpected invalidation of some Developer API Tokens](https://rewindex.com/change/i5416e7f5ad6f6f.md)


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Canonical: https://rewindex.com/company/brex/incidents/h9xnqh8crh7j · Markdown: https://rewindex.com/company/brex/incidents/h9xnqh8crh7j.md · JSON: https://rewindex.com/api/v1/companies/brex/incidents/h9xnqh8crh7j · Generated 2026-10-18T09:55:37.411Z