Circle Outage History

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There were 33 Circle outages since February 4, 2026 totaling 490h 29m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.circle.com

Minor April 29, 2026

Polygon Finalized Block Issue

Detected by Pingoru
Apr 29, 2026, 04:01 PM UTC
Resolved
Apr 30, 2026, 03:04 AM UTC
Duration
11h 2m
Affected: Circle Gateway: Polygon - Mainnet3rd Party Infrastructure & SystemsPOLY - Cross-Chain Minting and BurningUSDC - POLY - MintingUSDC - POLY - Redeeming
Timeline · 2 updates
  1. investigating Apr 29, 2026, 04:01 PM UTC

    --- Investigating USDC mints and burns on Polygon are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.

  2. resolved Apr 30, 2026, 03:04 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 29, 2026

Delays in Optimism (OP) Transaction Processing on Circle Mint

Detected by Pingoru
Apr 29, 2026, 05:43 AM UTC
Resolved
Apr 30, 2026, 02:25 AM UTC
Duration
20h 42m
Timeline · 4 updates
  1. investigating Apr 29, 2026, 05:43 AM UTC

    Circle Mint is currently experiencing delay with processing transactions on OP. Our team is aware and actively working to restore service.

  2. investigating Apr 29, 2026, 05:45 AM UTC

    Circle Mint is currently experiencing delay with processing transactions on OP. Our team is aware and actively working to restore service.

  3. monitoring Apr 29, 2026, 06:56 AM UTC

    The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.

  4. resolved Apr 30, 2026, 02:25 AM UTC

    The issue has been resolved.

Read the full incident report →

Minor April 25, 2026

ETH Fast Burn is experiencing degraded performance

Detected by Pingoru
Apr 25, 2026, 01:14 AM UTC
Resolved
Apr 25, 2026, 02:02 AM UTC
Duration
48m
Affected: ETH - Cross-Chain Minting and Burning
Timeline · 2 updates
  1. investigating Apr 25, 2026, 01:14 AM UTC

    ETH Fast Burn is currently experiencing degraded performance. Our team is investigating the issue and will provide updates as more information becomes available.

  2. resolved Apr 25, 2026, 02:02 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 21, 2026

Delayed Attestations on CCTP Starknet

Detected by Pingoru
Apr 21, 2026, 01:56 PM UTC
Resolved
Apr 21, 2026, 10:27 PM UTC
Duration
8h 31m
Affected: 3rd Party Infrastructure & SystemsSTRK - Cross-Chain Minting and Burning
Timeline · 2 updates
  1. investigating Apr 21, 2026, 01:56 PM UTC

    We have identified an issue causing delays or degraded performance on CCTP Starknet. Some customers may experience slower transaction confirmations or partial unavailability. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  2. resolved Apr 21, 2026, 10:27 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 20, 2026

Base Sepolia Degraded Performance (Sandbox)

Detected by Pingoru
Apr 20, 2026, 07:24 PM UTC
Resolved
Apr 21, 2026, 06:16 PM UTC
Duration
22h 52m
Affected: Circle CCTP - SandboxCircle Mint - Sandbox3rd Party Infrastructure & SystemsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Balance APIsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Transaction Creation/Estimation APIs
Timeline · 4 updates
  1. investigating Apr 20, 2026, 07:24 PM UTC

    Sandbox USDC an EURC mints and burns on Base Sepolia are delayed due to network maintenance.

  2. investigating Apr 20, 2026, 07:31 PM UTC

    Sandbox USDC an EURC mints and burns and CCTP transfers on Base Sepolia are delayed due to network maintenance.

  3. investigating Apr 20, 2026, 07:34 PM UTC

    Sandbox USDC an EURC mints and burns and CCTP transfers on Base Sepolia are delayed due to network maintenance.

  4. resolved Apr 21, 2026, 06:16 PM UTC

    This incident is resolved.

Read the full incident report →

Minor April 20, 2026

xReserve on Canton Delays

Detected by Pingoru
Apr 20, 2026, 04:47 AM UTC
Resolved
Apr 20, 2026, 05:04 PM UTC
Duration
12h 16m
Affected: Circle xReserve - Canton - Mainnet
Timeline · 2 updates
  1. investigating Apr 20, 2026, 04:47 AM UTC

    We have identified an issue causing delays or degraded performance with xReserve on Canton Mainnet. Some customers may experience slower transaction confirmations or partial unavailability. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  2. resolved Apr 20, 2026, 05:04 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 19, 2026

USDC & CCTP on LINEA Delayed mints, burns, and transfers

Detected by Pingoru
Apr 19, 2026, 04:57 AM UTC
Resolved
Apr 22, 2026, 02:14 PM UTC
Duration
3d 9h
Affected: LINEA - Cross-Chain Minting and Burning3rd Party Infrastructure & SystemsUSDC - LINEA - MintingUSDC - LINEA - Redeeming
Timeline · 2 updates
  1. investigating Apr 19, 2026, 04:57 AM UTC

    USDC mints, burns, and CCTP transfers on Linea are delayed due to an active incident on Linea causing delays in finalization. For more information see: https://linea.statuspage.io/incidents/mk2m85sx1wft

  2. resolved Apr 22, 2026, 02:14 PM UTC

    This incident has been resolved.

Read the full incident report →

Major April 16, 2026

Sepolia Testnet Unsafe Head Stalled

Detected by Pingoru
Apr 16, 2026, 06:56 PM UTC
Resolved
Apr 16, 2026, 08:07 PM UTC
Duration
1h 11m
Affected: Public Faucet – BASE SepoliaCircle Gateway: Base - SepoliaMW - BASE - SEPOLIA - Balance APIsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Balance APIsPW - Dev-Controlled Wallets - BASE - SEPOLIA - Transaction Creation/Estimation APIs
Timeline · 4 updates
  1. investigating Apr 16, 2026, 06:56 PM UTC

    The [blockchain] Mainnet is currently experiencing a network outage affecting all [blockchain] operations. Operations will be possible once the [blockchain] network has been restored.

  2. investigating Apr 16, 2026, 06:57 PM UTC

    The Base Sepolia Testnet is currently experiencing a network outage affecting all operations. Operations will be possible once the Base Sepolia Testnet network has been restored.

  3. monitoring Apr 16, 2026, 07:20 PM UTC

    Block production has resumed on Base Sepolia testnet. We will continue to monitor performance to ensure ongoing stability.

  4. resolved Apr 16, 2026, 08:07 PM UTC

    Block production has resumed on Base Sepolia testnet.

Read the full incident report →

Major April 15, 2026

HyperEVM testnet Network Issues

Detected by Pingoru
Apr 15, 2026, 07:37 AM UTC
Resolved
Apr 15, 2026, 06:21 PM UTC
Duration
10h 43m
Affected: Circle Gateway: HyperEVM - Testnet
Timeline · 3 updates
  1. investigating Apr 15, 2026, 07:37 AM UTC

    HyperEVM testnet is currently stalled. We are investigating the situation.

  2. monitoring Apr 15, 2026, 09:57 AM UTC

    The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.

  3. resolved Apr 15, 2026, 06:21 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 14, 2026

usdc.com website down

Detected by Pingoru
Apr 14, 2026, 03:04 PM UTC
Resolved
Apr 15, 2026, 12:43 AM UTC
Duration
9h 39m
Affected: usdc.com
Timeline · 5 updates
  1. investigating Apr 14, 2026, 03:04 PM UTC

    We are currently investigating reports of 5xx errors affecting the https://www.usdc.com/ website. No USDC minting, redeeming, or API functionality is affected.

  2. investigating Apr 14, 2026, 03:39 PM UTC

    We are continuing to investigate this issue.

  3. identified Apr 14, 2026, 03:41 PM UTC

    The https://www.usdc.com/ website is down and returning 500 errors due to a third party provider. We are working closely with the provider to restore service as quickly as possible. No USDC minting, redeeming, or API functionality is affected.

  4. identified Apr 14, 2026, 04:26 PM UTC

    We have implemented a workaround to redirect https://usdc.com to https://circle.com/usdc. Some deep links to usdc.com may be temporarily available until the root cause can be fully addressed. No USDC minting, redeeming, or API functionality is affected.

  5. resolved Apr 15, 2026, 12:43 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 14, 2026

SOL-Devnet Network Issues

Detected by Pingoru
Apr 14, 2026, 04:53 AM UTC
Resolved
Apr 16, 2026, 08:08 PM UTC
Duration
2d 15h
Affected: Public Faucet – SOL DevnetCircle Gateway: Solana - DevnetInConsole Faucet – SOL Devnet
Timeline · 4 updates
  1. investigating Apr 14, 2026, 04:53 AM UTC

    Solana Devnet is currently stalled at block 455,406,479. It is confirmed as a network-wide issue and we are investigating the situation.

  2. monitoring Apr 14, 2026, 08:56 AM UTC

    The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.

  3. monitoring Apr 14, 2026, 03:39 PM UTC

    We are continuing to monitor for any further issues.

  4. resolved Apr 16, 2026, 08:08 PM UTC

    The issue has been resolved.

Read the full incident report →

Minor April 13, 2026

Sei Mainnet Connectivity Issues

Detected by Pingoru
Apr 13, 2026, 08:53 AM UTC
Resolved
Apr 13, 2026, 10:25 AM UTC
Duration
1h 32m
Affected: Circle Gateway: Sei - MainnetSEI - Cross-Chain Minting and BurningUSDC - SEI - MintingUSDC - SEI - Redeeming
Timeline · 4 updates
  1. investigating Apr 13, 2026, 08:53 AM UTC

    We are currently experiencing a service disruption related to the Sei Mainnet network. This may result in temporary downtime or intermittent connectivity issues for users. Our team is actively monitoring the situation and working to ensure full service restoration as quickly as possible. We will provide updates as more information becomes available.

  2. investigating Apr 13, 2026, 09:04 AM UTC

    We are continuing to investigate this issue.

  3. monitoring Apr 13, 2026, 10:17 AM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Apr 13, 2026, 10:25 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 9, 2026

Linea Delays

Detected by Pingoru
Apr 09, 2026, 02:03 AM UTC
Resolved
Apr 09, 2026, 01:44 PM UTC
Duration
11h 41m
Timeline · 2 updates
  1. identified Apr 09, 2026, 02:03 AM UTC

    We're experiencing degraded performance for both inbound and outbound transactions on Linea mainnet due to an active incident on Linea which is causing finalization delays. Until Linea resolves this incident, we will continue to see delays in processing transactions on Linea mainnet.

  2. resolved Apr 09, 2026, 01:44 PM UTC

    We're experiencing degraded performance for both inbound and outbound transactions on Linea mainnet due to an active incident on Linea which is causing finalization delays. Until Linea resolves this incident, we will continue to see delays in processing transactions on Linea mainnet.

Read the full incident report →

Critical April 8, 2026

On-chain send delays

Detected by Pingoru
Apr 08, 2026, 08:04 PM UTC
Resolved
Apr 08, 2026, 08:52 PM UTC
Duration
48m
Affected: Circle Mint - Payments & Transfers
Timeline · 2 updates
  1. investigating Apr 08, 2026, 08:04 PM UTC

    We're currently investigating delays in on-chain send.

  2. resolved Apr 08, 2026, 08:52 PM UTC

    This issue has been resolved.

Read the full incident report →

Major April 8, 2026

Morph Mainnet Network Issues

Detected by Pingoru
Apr 08, 2026, 08:53 AM UTC
Resolved
Apr 08, 2026, 09:21 AM UTC
Duration
28m
Affected: MORPH - Cross-Chain Minting and Burning
Timeline · 2 updates
  1. investigating Apr 08, 2026, 08:53 AM UTC

    We are currently experiencing issues with the Morph mainnet network and are actively investigating the situation.

  2. resolved Apr 08, 2026, 09:21 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor April 2, 2026

Sui Testnet Network Issues

Detected by Pingoru
Apr 02, 2026, 10:48 PM UTC
Resolved
Apr 03, 2026, 09:18 AM UTC
Duration
10h 30m
Affected: Circle Mint - Sandbox APIsCircle Mint - Sandbox3rd Party Infrastructure & SystemsPublic Faucet – SUI Testnet
Timeline · 3 updates
  1. investigating Apr 02, 2026, 10:48 PM UTC

    Sui Testnet is experiencing a network-wide stall at block height 321,596,099 that affects all Sui Testnet operations.

  2. investigating Apr 02, 2026, 11:12 PM UTC

    We are continuing to investigate this issue.

  3. resolved Apr 03, 2026, 09:18 AM UTC

    This incident has been resolved.

Read the full incident report →

Major April 1, 2026

Circle Forwarding Service degraded performance on Avalanche

Detected by Pingoru
Apr 01, 2026, 07:30 AM UTC
Resolved
Apr 01, 2026, 07:44 AM UTC
Duration
13m
Timeline · 2 updates
  1. investigating Apr 01, 2026, 07:30 AM UTC

    We have identified an issue causing delays or degraded performance on [Circle Forwarding Service][Avalanche]. Some customers may experience slower transaction confirmations or partial unavailability. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  2. resolved Apr 01, 2026, 07:44 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 30, 2026

Delayed transactions on Moprh

Detected by Pingoru
Mar 30, 2026, 04:39 PM UTC
Resolved
Mar 31, 2026, 02:41 AM UTC
Duration
10h 1m
Timeline · 2 updates
  1. investigating Mar 30, 2026, 04:39 PM UTC

    USDC mints and burns on Morph are delayed due to network issues. We are currently investigating the cause.

  2. resolved Mar 31, 2026, 02:41 AM UTC

    USDC mints and burns on Morph are delayed due to network issues. We are currently investigating the cause.

Read the full incident report →

Minor March 25, 2026

Linear Delays

Detected by Pingoru
Mar 25, 2026, 05:01 PM UTC
Resolved
Mar 30, 2026, 05:15 PM UTC
Duration
5d
Affected: LINEA - Cross-Chain Minting and BurningUSDC - LINEA - MintingUSDC - LINEA - Redeeming
Timeline · 2 updates
  1. identified Mar 25, 2026, 05:01 PM UTC

    We're experiencing degraded performance for both inbound and outbound transactions on Linea mainnet due to an active incident on Linea which is causing finalization delays. Until Linea resolves this incident, we will continue to see delays in processing transactions on Linea mainnet.

  2. resolved Mar 30, 2026, 05:15 PM UTC

    This incident has been resolved.

Read the full incident report →

Major March 25, 2026

[Circle Wallet][CCTP] - Delays (Network Issues)

Detected by Pingoru
Mar 25, 2026, 02:00 PM UTC
Resolved
Mar 27, 2026, 10:32 AM UTC
Duration
1d 20h
Affected: Circle Gateway: Sonic - MainnetSONIC - Cross-Chain Minting and Burning
Timeline · 4 updates
  1. investigating Mar 25, 2026, 02:00 PM UTC

    We are seeing unexpected network issues impacting Sonic chain, causing transaction delays or degraded performance. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  2. investigating Mar 25, 2026, 02:07 PM UTC

    We are seeing unexpected network issues impacting Sonic chain, causing transaction delays or degraded performance. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  3. investigating Mar 25, 2026, 02:08 PM UTC

    We are seeing unexpected network issues impacting Sonic chain, causing transaction delays or degraded performance. Our team is investigating the root cause and working to restore normal operation as soon as possible.

  4. resolved Mar 27, 2026, 10:32 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 23, 2026

Arbitrum Sepolia Network Issue

Detected by Pingoru
Mar 23, 2026, 05:29 PM UTC
Resolved
Mar 24, 2026, 07:56 AM UTC
Duration
14h 26m
Timeline · 2 updates
  1. investigating Mar 23, 2026, 05:29 PM UTC

    The Arbitrum Sepolia is currently experiencing a network outage affecting all Arbitrum Sepolia operations. As soon as the Arbitrum Sepolia network has been restored, we will update the status.

  2. resolved Mar 24, 2026, 07:56 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 22, 2026

SEI Mainnet Performance Degradation

Detected by Pingoru
Mar 22, 2026, 09:14 AM UTC
Resolved
Mar 23, 2026, 01:06 AM UTC
Duration
15h 52m
Timeline · 2 updates
  1. investigating Mar 22, 2026, 09:14 AM UTC

    The SEI Mainnet is currently experiencing a network outage affecting all SEI operations. Operations will be possible once the SEI network has been restored.

  2. resolved Mar 23, 2026, 01:06 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 21, 2026

USDC on Morph Delayed mints, burns and sends

Detected by Pingoru
Mar 21, 2026, 12:00 AM UTC
Resolved
Mar 21, 2026, 01:16 AM UTC
Duration
1h 16m
Affected: USDC - MORPH - RedeemingUSDC - MORPH - Minting
Timeline · 3 updates
  1. investigating Mar 21, 2026, 12:22 AM UTC

    USDC mints, burns and sends on Morph are delayed.

  2. investigating Mar 21, 2026, 12:31 AM UTC

    We are continuing to investigate this issue.

  3. resolved Mar 21, 2026, 01:16 AM UTC

    This incident has been resolved.

Read the full incident report →

Major March 17, 2026

CCTP attestation delay for all testnet blockchain

Detected by Pingoru
Mar 17, 2026, 03:35 AM UTC
Resolved
Mar 17, 2026, 05:37 AM UTC
Duration
2h 1m
Affected: Attestation Service
Timeline · 2 updates
  1. identified Mar 17, 2026, 03:35 AM UTC

    CCTP attestation delay for all testnet blockchain. We are working to resolve the delay.

  2. resolved Mar 17, 2026, 05:37 AM UTC

    CCTP attestation delay issue has now been resolved

Read the full incident report →

Major March 16, 2026

CCTP attestations for Arc-Testnet is currently unavailable

Detected by Pingoru
Mar 16, 2026, 05:20 AM UTC
Resolved
Mar 16, 2026, 07:53 PM UTC
Duration
14h 32m
Affected: ARC - Cross-Chain Minting and Burning
Timeline · 2 updates
  1. investigating Mar 16, 2026, 05:20 AM UTC

    The CCTP attestations for Arc Testnet is currently unavailable. We're currently investigating the root cause.

  2. resolved Mar 16, 2026, 07:53 PM UTC

    The CCTP attestations for Arc Testnet is now recovered.

Read the full incident report →

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