Webhook Delays on Multiple Chains

What to do

• Check whether you use Alchemy Base, BNB Smart Chain. 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 3h 14m it lasted.

  Anything that failed between 2026-03-18 11:27 UTC and 2026-03-18 14:41 UTC may need a replay.

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

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

Updates from Alchemy 4

1. investigatingMar 18, 2026, 11:27 AM UTC

   We are investigating an issue causing webhook delivery delays affecting multiple chains, including BNB Mainnet and Base Mainnet. Customers may experience delayed or slow webhook notifications during this time. Our team is actively investigating and will provide updates as we learn more.

   provider

2. identifiedMar 18, 2026, 11:54 AM UTC

   The team has identified the cause and is currently pushing a fix. We will update this page once the fix is deployed and the issue is confirmed resolved.

   provider

3. monitoringMar 18, 2026, 12:21 PM UTC

   The fix is applied and our systems are catching up. We continue to monitor the performance.

   provider

4. resolvedMar 18, 2026, 2:41 PM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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