Email API messages rejected with gw_reject// injection_failed

What to do

• Check whether your product depends on Telnyx. 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 5h 27m it lasted.

  Anything that failed between 2026-10-12 08:31 UTC and 2026-10-12 13:58 UTC may need a replay.

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

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

Updates from Telnyx 3

1. investigatingOct 12, 2026, 8:31 AM UTC

   We are currently investigating this issue.

   provider

2. monitoringOct 12, 2026, 9:36 AM UTC

   Email sending through the Telnyx Email API was unavailable during the following periods: • 9th October, approximately 21:10–22:05 UTC. • 10th October at approximately 22:15 UTC until 12th October at 09:25 UTC. New send requests during these periods failed with **_gw_reject// injection_failed_**. Messages already queued before each interruption continued to be sent. Customers can retry messages that failed during the affected periods. Service has been restored following a mitigation. We are monitoring stability and working on a permanent fix.

   provider

3. resolvedOct 12, 2026, 1:58 PM UTC

   We have confirmed reports that Email API deliverability has now improved. Email sending through the Telnyx Email API was unavailable during the following periods: - 9th October, approximately 21:10–22:05 UTC. - 10th October at approximately 22:15 UTC until 12th October at 09:25 UTC. A service restart by our engineers stabilised deliverability after 12th October at 09:25 UTC and resolved the issue.

   provider

Corrections

None so far.

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