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Outage in SendGrid

Incorrect Tax Amount in Invoices

Resolved Minor
May 06, 2026 - Started 4 days ago - Lasted about 6 hours
Official incident page

Incident Report

Summary AI Generated

SendGrid experienced an issue with incorrect tax amounts on customer invoices starting around 9am PST on May 5, 2026, lasting 5.8 hours. The tax calculation error affected billing but did not impact email sending functionality. Engineers implemented a fix that corrected all invoices, with automatic refunds processed for overcharged customers and updated balances applied for undercharged accounts.

Starting around 9am PST on May 5, 2026, our engineers began investigating an issue with the most recent Twilio SendGrid invoices and the tax amounts on those invoices not being charged correctly. Users may experience issues with the tax amounts on the most recent invoices. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.

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Latest Updates ( sorted recent to last )
RESOLVED 3 days ago - at 05/06/2026 11:22PM

Our engineers have monitored the fix and confirmed the issue with Twilio SendGrid invoices and the tax amounts has been resolved. All services are now operating normally at this time.

MONITORING 4 days ago - at 05/06/2026 10:04PM

Our engineers have implemented a fix and are monitoring system performance. We have resolved the tax calculation issue, and customer invoices have been corrected with the appropriate tax amounts. If you were overcharged, your refund will be automatically processed to your card on file within 7–10 business days. If you were undercharged, the corrected tax balance has been applied; please log in to your console to validate the updated invoice details. We will provide another update in an hour or as soon as more information becomes available.

IDENTIFIED 4 days ago - at 05/06/2026 07:47PM

Our engineers have identified the issue and are continuing on working toward a fix. We will provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED 4 days ago - at 05/06/2026 06:48PM

Our engineers have identified the issue and are continuing on working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available.

IDENTIFIED 4 days ago - at 05/06/2026 05:46PM

Our engineers have identified the issue and are working toward a fix. We will provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING 4 days ago - at 05/06/2026 05:34PM

Starting around 9am PST on May 5, 2026, our engineers began investigating an issue with the most recent Twilio SendGrid invoices and the tax amounts on those invoices not being charged correctly. Users may experience issues with the tax amounts on the most recent invoices. This does not impact mail send. We will provide another update in 1 hour or as soon as more information becomes available.

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