Chainstack Outage History

Chainstack had 103 outages in the last 2 years totaling 1020h 2m of downtime — averaging 4.2 incidents per month.

There were 103 Chainstack outages since December 10, 2025 totaling 1020h 2m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.chainstack.com

Minor April 20, 2026

Polygon zkEVM Mainnet Incident

Detected by Pingoru: Apr 20, 2026, 02:53 PM UTC
Resolved: Apr 20, 2026, 02:53 PM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 20, 2026

Degraded performance on Cronos Mainnet nodes in Frankfurt

Detected by Pingoru: Apr 20, 2026, 09:10 AM UTC
Resolved: Apr 20, 2026, 09:10 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Major April 17, 2026

Outage on Ethereum Sepolia Testnet Full (Virtuozzo, Frankfurt)

Detected by Pingoru: Apr 17, 2026, 09:00 AM UTC
Resolved: Apr 17, 2026, 09:00 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 17, 2026

Polygon Mainnet degraded performance in LONDON

Detected by Pingoru: Apr 17, 2026, 02:41 AM UTC
Resolved: Apr 17, 2026, 02:41 AM UTC
Duration: —

Affected: Chainstack

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Minor April 16, 2026

Polygon Mainnet Archive - Degraded Performance

Detected by Pingoru: Apr 16, 2026, 02:34 PM UTC
Resolved: Apr 16, 2026, 02:34 PM UTC
Duration: —

Affected: Chainstack

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Minor April 15, 2026

Arbitrum Mainnet - Performance issues in Frankfurt

Detected by Pingoru: Apr 15, 2026, 08:35 PM UTC
Resolved: Apr 15, 2026, 08:35 PM UTC
Duration: —

Affected: Chainstack

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Minor April 15, 2026

Network halt on Hyperliquid Testnet

Detected by Pingoru: Apr 15, 2026, 06:13 AM UTC
Resolved: Apr 15, 2026, 06:13 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 14, 2026

Arbitrum Mainnet - Global Endpoints Degraded Performance

Detected by Pingoru: Apr 14, 2026, 11:12 PM UTC
Resolved: Apr 14, 2026, 11:12 PM UTC
Duration: —

Affected: Chainstack

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Minor April 14, 2026

Aptos Testnet Incident

Detected by Pingoru: Apr 14, 2026, 07:29 PM UTC
Resolved: Apr 14, 2026, 07:29 PM UTC
Duration: —

Affected: Chainstack

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Minor April 14, 2026

Ethereum Hoodi Degraded Performance

Detected by Pingoru: Apr 14, 2026, 02:53 PM UTC
Resolved: Apr 14, 2026, 02:53 PM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 14, 2026

Degraded performance on Solana Devnet (Chainstack Cloud, Ashburn)

Detected by Pingoru: Apr 14, 2026, 06:14 AM UTC
Resolved: Apr 14, 2026, 06:14 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 13, 2026

Polygon Amoy degraded performance

Detected by Pingoru: Apr 13, 2026, 05:54 AM UTC
Resolved: Apr 13, 2026, 05:54 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 13, 2026

Tron Mainnet / Degraded performance / EU region

Detected by Pingoru: Apr 13, 2026, 02:06 AM UTC
Resolved: Apr 13, 2026, 02:06 AM UTC
Duration: —

Affected: Chainstack

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Minor April 10, 2026

Solana Devnet lagging in Ashburn cluster

Detected by Pingoru: Apr 10, 2026, 01:24 AM UTC
Resolved: Apr 10, 2026, 01:24 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 9, 2026

Sui Mainnet Node Issues

Detected by Pingoru: Apr 09, 2026, 09:27 PM UTC
Resolved: Apr 09, 2026, 09:27 PM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 9, 2026

Monad Mainnet degraded performance in lax2

Detected by Pingoru: Apr 09, 2026, 02:12 AM UTC
Resolved: Apr 09, 2026, 02:12 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 7, 2026

Occasional 503 for BSC Mainnet (Singapore)

Detected by Pingoru: Apr 07, 2026, 02:40 PM UTC
Resolved: Apr 07, 2026, 02:40 PM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 7, 2026

Degraded performance on Polygon Mainnet (Chainstack Cloud, London)

Detected by Pingoru: Apr 07, 2026, 07:42 AM UTC
Resolved: Apr 07, 2026, 07:42 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 2, 2026

Ronin Saigon Testnet experiencing headlag

Detected by Pingoru: Apr 02, 2026, 06:36 AM UTC
Resolved: Apr 02, 2026, 06:36 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 2, 2026

Hyperliquid Mainnet experiencing 503 errors

Detected by Pingoru: Apr 02, 2026, 12:44 AM UTC
Resolved: Apr 02, 2026, 12:44 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor April 1, 2026

Cronos Testnet degraded performance in London

Detected by Pingoru: Apr 01, 2026, 03:49 AM UTC
Resolved: Apr 01, 2026, 03:49 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor March 31, 2026

Degraded performance on Polygon Mainnet nodes in London

Detected by Pingoru: Mar 31, 2026, 09:27 AM UTC
Resolved: Mar 31, 2026, 09:27 AM UTC
Duration: —

Affected: Chainstack

Read the full incident report →

Minor March 30, 2026

Base Mainnet Headlag affecting Ashburn region

Detected by Pingoru: Mar 30, 2026, 02:54 PM UTC
Resolved: Apr 20, 2026, 03:40 PM UTC
Duration: 21d

Affected: Chainstack

Read the full incident report →

Minor March 30, 2026

Degraded performance on Unichain Mainnet nodes

Detected by Pingoru: Mar 30, 2026, 09:00 AM UTC
Resolved: Apr 20, 2026, 03:31 PM UTC
Duration: 21d 6h

Affected: Chainstack

Read the full incident report →

Minor March 29, 2026

BSC Mainnet lagging in Singapore and London clusters

Detected by Pingoru: Mar 29, 2026, 09:52 AM UTC
Resolved: Apr 19, 2026, 09:09 PM UTC
Duration: 21d 11h

Affected: Chainstack

Read the full incident report →