Outage in Alchemy

[Scheduled Maintenance] Linea Sepolia (Paris Upgrade)

Resolved Minor
September 24, 2025 - Started 5 days ago - Lasted 5 days
Official incident page

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Outage Details

Start Time: 15:00 UTC End Time: 16:00 UTC The Linea Sepolia network will undergo the Paris Upgrade during this window. As part of the upgrade, downtime and stalls are expected for node operators relying on Geth (including our infrastructure). We will monitor the network closely throughout the maintenance and restore full functionality as soon as possible after the upgrade is complete.
Latest Updates ( sorted recent to last )
RESOLVED about 5 hours ago - at 09/29/2025 01:09PM

This incident has been resolved.

INVESTIGATING 4 days ago - at 09/25/2025 07:19AM

The recent upgrade has been completed successfully. However, it has introduced new issues that have caused the entire Linea Sepolia chain to stall at block 18665903. Our team is actively collaborating with the Linea team to help resolve this and restore normal operations. You can track the progress of resolving the situation on the Linea status page as well: https://linea.statuspage.io/incidents/jlbqwjlcn36h

INVESTIGATING 5 days ago - at 09/24/2025 10:51AM

Start Time: 15:00 UTC
End Time: 16:00 UTC

The Linea Sepolia network will undergo the Paris Upgrade during this window. As part of the upgrade, downtime and stalls are expected for node operators relying on Geth (including our infrastructure).

We will monitor the network closely throughout the maintenance and restore full functionality as soon as possible after the upgrade is complete.

Latest Alchemy outages

[Maintenance for Shanghai Hardfork] Linea Sepolia - about 5 hours ago
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Block Lag on Multiple Networks - 1 day ago
Elevated Latency and Increased Timeouts on Arbitrum Mainnet - 3 days ago
NFT Webhooks creation issues - 4 days ago

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