Brevo change history: SMS Soft Bounces

Brevo reported a major SMS degradation causing soft bounces and sending disruptions for some customers, starting 2026-10-01 10:19 UTC and resolved at 2026-10-01 12:21 UTC, lasting 2 h 1 min. Brevo confirmed SMS campaigns and transactional SMS were processing normally again; it did not disclose the cause or specific fix.