Circle Outage History
Circle partial outage · 3 long-running issues View live status →Pingoru has recorded 153 incidents for Circle: 152 in the last 12 months and 49 in the last 90 days.
Show as a table
| Month | Incidents | Hours with an open incident |
|---|---|---|
| April 2026 | 18 | 222 of 720 (31%) |
| May 2026 | 16 | 186 of 744 (25%) |
| June 2026 | 18 | 215 of 720 (30%) |
| July 2026 | 18 | 180 of 744 (24%) |
| August 2026 | 18 | 157 of 744 (21%) |
| September 2026 | 15 | 332 of 720 (46%) |
| October 2026 | 12 | 243 of 591 (41%) |
Incidents, newest first
Critical May 29, 2026 SUI Delayed mints, burns, and transfers 8h 21m 3rd Party Infrastructure & Systems, SUI - Cross-Chain Minting and Burning, USDC - SUI - Minting
Started May 29, 2026, 12:27 PM UTC· resolved May 29, 2026, 08:48 PM UTC
- monitoring May 29, 2026, 12:27 PM UTC
USDC mints, burns, and CCTP transfers on SUI are delayed due to an active incident on SUI causing delays in finalization. For more information see: https://status.sui.io/incidents/mt1jzf986sfb
- monitoring May 29, 2026, 08:29 PM UTC
CCTP transfers on SUI are delayed due to an active incident on SUI causing delays in finalization. For more information see: https://status.sui.io/incidents/mt1jzf986sfb
- resolved May 29, 2026, 08:48 PM UTC
This incident has been resolved.
Major May 29, 2026 Delayed Transaction Processing on Base Network 1d 2h Circle Gateway: Base - Mainnet
Started May 29, 2026, 07:00 AM UTC· resolved May 30, 2026, 09:46 AM UTC
- investigating May 29, 2026, 01:29 PM UTC
We are currently experiencing a delay in processing transactions on the Base network. Pending burns and related operations may appear stuck or delayed.
- monitoring May 29, 2026, 01:30 PM UTC
Transaction processing has resumed. We are monitoring to confirm that all events are being processed correctly following the hard fork, and will update if any further issues are identified.
- investigating May 29, 2026, 04:31 PM UTC
Circle has temporarily paused attestations for Gateway on Base as part of maintenance.
- monitoring May 29, 2026, 05:00 PM UTC
Circle has re-enabled attestations for Gateway on Base.
- resolved May 30, 2026, 09:46 AM UTC
This incident has been resolved.
Major May 29, 2026 USDC CCTP attestations paused on Monad 34m
Started May 29, 2026, 01:35 AM UTC· resolved May 29, 2026, 02:10 AM UTC
- investigating May 29, 2026, 01:35 AM UTC
Circle has temporarily paused attestations for USDC burns on Monad via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on Monad.
- resolved May 29, 2026, 02:10 AM UTC
Circle has temporarily paused attestations for USDC burns on Monad via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on Monad.
Critical May 28, 2026 CCTP on SUI Delayed mints, burns, and transfers 13h 29m 3rd Party Infrastructure & Systems, SUI - Cross-Chain Minting and Burning, USDC - SUI - Minting
Started May 28, 2026, 02:38 PM UTC· resolved May 29, 2026, 04:07 AM UTC
- monitoring May 28, 2026, 02:38 PM UTC
USDC mints, burns and sends on SUI are delayed due to network congestions. We are working on updates to improve the speed.
- investigating May 28, 2026, 02:43 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.
- investigating May 28, 2026, 02:51 PM UTC
USDC mints, burns, and CCTP transfers on SUI are delayed due to an active incident on SUI. For more information see: https://status.sui.io/
- investigating May 28, 2026, 02:55 PM UTC
We are continuing to investigate this issue.
- investigating May 28, 2026, 02:56 PM UTC
We are continuing to investigate this issue.
- investigating May 28, 2026, 10:13 PM UTC
CCTP transfers on SUI are delayed due to an active incident on SUI. For more information see: https://status.sui.io/
- resolved May 29, 2026, 04:07 AM UTC
CCTP transfers on SUI are delayed due to an active incident on SUI. For more information see: https://status.sui.io/
Major May 25, 2026 SEI mainnet degraded performance 44m SEI - Cross-Chain Minting and Burning
Started May 25, 2026, 08:43 AM UTC· resolved May 25, 2026, 09:27 AM UTC
- investigating May 25, 2026, 08:43 AM UTC
We are currently investigating this issue
- investigating May 25, 2026, 08:45 AM UTC
We are continuing to investigate this issue.
- resolved May 25, 2026, 09:27 AM UTC
This incident has been resolved.
Minor May 22, 2026 xReserve Stacks Testnet Delays 10h 9m Circle xReserve - Stacks - Testnet, 3rd Party Infrastructure & Systems
Started May 22, 2026, 06:26 PM UTC· resolved May 23, 2026, 04:35 AM UTC
- investigating May 22, 2026, 06:26 PM UTC
xReserve on Stacks Testnet is degraded. Withdrawals may be temporarily delayed.
- resolved May 23, 2026, 04:35 AM UTC
This incident has been resolved.
Major May 20, 2026 CCTP on XDC maintenance 51m
Started May 20, 2026, 11:27 AM UTC· resolved May 20, 2026, 12:19 PM UTC
- identified May 20, 2026, 11:27 AM UTC
Circle has temporarily paused attestations for USDC burns on XDC via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on XDC
- resolved May 20, 2026, 12:19 PM UTC
Circle has temporarily paused attestations for USDC burns on XDC via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on XDC
Major May 19, 2026 SEI block processing issue 27m SEI - Cross-Chain Minting and Burning
Started May 19, 2026, 10:13 PM UTC· resolved May 19, 2026, 10:41 PM UTC
- investigating May 19, 2026, 10:13 PM UTC
We are seeing unexpected network issues impacting SEI mainnet, causing delay for CCTP attestation.
- resolved May 19, 2026, 10:41 PM UTC
Issue has been resolved
Minor May 9, 2026 Solana Processing Block Issue 1h 17m Minting, Redeeming, Circle Gateway: Solana - Mainnet, SOL - Cross-Chain Minting and Burning and 2 more
Started May 09, 2026, 12:34 PM UTC· resolved May 09, 2026, 01:51 PM UTC
- investigating May 09, 2026, 12:34 PM UTC
USDC deposits, withdrawals mints and burns on Solana are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.
- investigating May 09, 2026, 12:34 PM UTC
We are continuing to investigate this issue.
- investigating May 09, 2026, 01:04 PM UTC
We are continuing to investigate this issue.
- investigating May 09, 2026, 01:05 PM UTC
We are continuing to investigate this issue.
- resolved May 09, 2026, 01:51 PM UTC
This incident has been resolved.
Notice May 8, 2026 CCTP attestation delay for all blockchain 11h 56m
Started May 08, 2026, 03:58 AM UTC· resolved May 08, 2026, 03:54 PM UTC
- investigating May 08, 2026, 03:58 AM UTC
CCTP attestation delay for all blockchain due to AWS degradation. We are working to resolve the delay.
- investigating May 08, 2026, 03:54 PM UTC
We are continuing to investigate this issue.
- resolved May 08, 2026, 03:54 PM UTC
This incident has been resolved.
Major May 7, 2026 Matic Amoy Network Issue 3h 45m Public Faucet – MATIC Amoy, MW - MATIC - AMOY - Balance APIs, InConsole Faucet – MATIC Amoy, PW - Dev-Controlled Wallets - MATIC - AMOY - Balance APIs and 1 more
Started May 07, 2026, 09:41 PM UTC· resolved May 08, 2026, 01:26 AM UTC
- investigating May 07, 2026, 09:41 PM UTC
Investigating - The Matic Amoy is currently experiencing a network outage affecting all Matic Amoy operations. Operations will be possible once the Matic Amoy network has been restored.
- resolved May 08, 2026, 01:26 AM UTC
This incident has been resolved.
Notice May 3, 2026 SEI mainnet network issues 4d 14h
Started May 03, 2026, 01:52 PM UTC· resolved May 08, 2026, 04:06 AM UTC
- identified May 03, 2026, 01:52 PM UTC
We are seeing unexpected network issues impacting SEI mainnet, causing transaction delays or degraded performance. Our team is investigating the root cause and working to restore normal operation as soon as possible.
- resolved May 08, 2026, 04:06 AM UTC
This incident has been resolved.
Minor April 29, 2026 Polygon Finalized Block Issue 11h 2m Circle Gateway: Polygon - Mainnet, 3rd Party Infrastructure & Systems, POLY - Cross-Chain Minting and Burning, USDC - POLY - Minting and 1 more
Started Apr 29, 2026, 04:01 PM UTC· resolved Apr 30, 2026, 03:04 AM UTC
- 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.
- resolved Apr 30, 2026, 03:04 AM UTC
This incident has been resolved.
Major April 29, 2026 Delays in Optimism (OP) Transaction Processing on Circle Mint 20h 42m
Started Apr 29, 2026, 05:43 AM UTC· resolved Apr 30, 2026, 02:25 AM UTC
- 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.
- 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.
- monitoring Apr 29, 2026, 06:56 AM UTC
The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.
- resolved Apr 30, 2026, 02:25 AM UTC
The issue has been resolved.
Minor April 25, 2026 ETH Fast Burn is experiencing degraded performance 48m ETH - Cross-Chain Minting and Burning
Started Apr 25, 2026, 01:14 AM UTC· resolved Apr 25, 2026, 02:02 AM UTC
- 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.
- resolved Apr 25, 2026, 02:02 AM UTC
This incident has been resolved.
Major April 21, 2026 Delayed Attestations on CCTP Starknet 8h 31m 3rd Party Infrastructure & Systems, STRK - Cross-Chain Minting and Burning
Started Apr 21, 2026, 01:56 PM UTC· resolved Apr 21, 2026, 10:27 PM UTC
- 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.
- resolved Apr 21, 2026, 10:27 PM UTC
This incident has been resolved.
Major April 20, 2026 Base Sepolia Degraded Performance (Sandbox) 22h 52m Circle CCTP - Sandbox, Circle Mint - Sandbox, 3rd Party Infrastructure & Systems, PW - Dev-Controlled Wallets - BASE - SEPOLIA - Balance APIs and 1 more
Started Apr 20, 2026, 07:24 PM UTC· resolved Apr 21, 2026, 06:16 PM UTC
- investigating Apr 20, 2026, 07:24 PM UTC
Sandbox USDC an EURC mints and burns on Base Sepolia are delayed due to network maintenance.
- 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.
- 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.
- resolved Apr 21, 2026, 06:16 PM UTC
This incident is resolved.
Minor April 20, 2026 xReserve on Canton Delays 12h 16m Circle xReserve - Canton - Mainnet
Started Apr 20, 2026, 04:47 AM UTC· resolved Apr 20, 2026, 05:04 PM UTC
- 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.
- resolved Apr 20, 2026, 05:04 PM UTC
This incident has been resolved.
Major April 19, 2026 USDC & CCTP on LINEA Delayed mints, burns, and transfers 3d 9h LINEA - Cross-Chain Minting and Burning, 3rd Party Infrastructure & Systems, USDC - LINEA - Minting, USDC - LINEA - Redeeming
Started Apr 19, 2026, 04:57 AM UTC· resolved Apr 22, 2026, 02:14 PM UTC
- 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
- resolved Apr 22, 2026, 02:14 PM UTC
This incident has been resolved.
Major April 16, 2026 Sepolia Testnet Unsafe Head Stalled 1h 11m Public Faucet – BASE Sepolia, Circle Gateway: Base - Sepolia, MW - BASE - SEPOLIA - Balance APIs, PW - Dev-Controlled Wallets - BASE - SEPOLIA - Balance APIs and 1 more
Started Apr 16, 2026, 06:56 PM UTC· resolved Apr 16, 2026, 08:07 PM UTC
- 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.
- 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.
- 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.
- resolved Apr 16, 2026, 08:07 PM UTC
Block production has resumed on Base Sepolia testnet.
Major April 15, 2026 HyperEVM testnet Network Issues 10h 43m Circle Gateway: HyperEVM - Testnet
Started Apr 15, 2026, 07:37 AM UTC· resolved Apr 15, 2026, 06:21 PM UTC
- investigating Apr 15, 2026, 07:37 AM UTC
HyperEVM testnet is currently stalled. We are investigating the situation.
- monitoring Apr 15, 2026, 09:57 AM UTC
The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.
- resolved Apr 15, 2026, 06:21 PM UTC
This incident has been resolved.
Minor April 14, 2026 usdc.com website down 9h 39m usdc.com
Started Apr 14, 2026, 03:04 PM UTC· resolved Apr 15, 2026, 12:43 AM UTC
- 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.
- investigating Apr 14, 2026, 03:39 PM UTC
We are continuing to investigate this issue.
- 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.
- 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.
- resolved Apr 15, 2026, 12:43 AM UTC
This incident has been resolved.
Major April 14, 2026 SOL-Devnet Network Issues 2d 15h Public Faucet – SOL Devnet, Circle Gateway: Solana - Devnet, InConsole Faucet – SOL Devnet
Started Apr 14, 2026, 04:53 AM UTC· resolved Apr 16, 2026, 08:08 PM UTC
- 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.
- monitoring Apr 14, 2026, 08:56 AM UTC
The issue has been resolved. We will continue to monitor performance to ensure ongoing stability.
- monitoring Apr 14, 2026, 03:39 PM UTC
We are continuing to monitor for any further issues.
- resolved Apr 16, 2026, 08:08 PM UTC
The issue has been resolved.
Minor April 13, 2026 Sei Mainnet Connectivity Issues 1h 32m Circle Gateway: Sei - Mainnet, SEI - Cross-Chain Minting and Burning, USDC - SEI - Minting, USDC - SEI - Redeeming
Started Apr 13, 2026, 08:53 AM UTC· resolved Apr 13, 2026, 10:25 AM UTC
- 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.
- investigating Apr 13, 2026, 09:04 AM UTC
We are continuing to investigate this issue.
- monitoring Apr 13, 2026, 10:17 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Apr 13, 2026, 10:25 AM UTC
This incident has been resolved.
Major April 9, 2026 Linea Delays 11h 41m
Started Apr 09, 2026, 02:03 AM UTC· resolved Apr 09, 2026, 01:44 PM UTC
- 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.
- 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.