Elevated SMS OTP errors/ delays

What to do

• Check whether you use Stytch Message deliverability. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 0m it lasted.

  Anything that failed between 2025-10-20 16:57 UTC and 2025-10-20 16:57 UTC may need a replay.

• Subscribe to Stytch's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=stytch works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Stytch 1

1. resolvedOct 20, 2025, 4:57 PM UTC

   Type: Incident Duration: 3 hours and 39 minutes Affected Components: Message deliverability Oct 20, 18:40:00 GMT+0 - Resolved - This incident has been resolved. We experienced elevated SMS OTP errors and delays, affecting roughly 9% of all messages and about 14% of SMS and WhatsApp messages. Oct 20, 18:38:00 GMT+0 - Monitoring - The SMS OTP errors have subsided. We will continue to monitor the situation while our primary messaging provider investigates the incident. Oct 20, 16:57:00 GMT+0 - Investigating - SMS OTP error rates and delays are currently elevated due to an incident from our primary messaging provider (related to AWS outage). We're assessing whether it makes sense to switch to a backup provider.

   provider

Corrections

None so far.

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