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Circle Outage History

Every past Circle outage tracked by IsDown, with detection times, duration, and resolution details.

There were 385 Circle outages since July 2020. The 120 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor August 3, 2025

August 2025: USDC Sei

Detected Aug 3, 2025 2:24 PM EDT · Resolved Aug 3, 2025 3:23 PM EDT · Duration about 1 hour

Minor August 1, 2025

August 2025: Transaction processing on ZKS

Detected Aug 1, 2025 3:47 AM EDT · Resolved Aug 2, 2025 7:51 AM EDT · Duration 1 day

Minor July 31, 2025

July 2025: USDC POLY - CCTP POLY Attestations Delayed

Detected Jul 31, 2025 5:11 PM EDT · Resolved Aug 4, 2025 3:41 PM EDT · Duration 4 days

Minor July 31, 2025

July 2025: USDC ARB - CCTP ARB attestations are delayed

Detected Jul 31, 2025 3:19 AM EDT · Resolved Jul 31, 2025 3:47 AM EDT · Duration 27 minutes

Major July 30, 2025

July 2025: Polygon mainnet network issues

Detected Jul 30, 2025 7:51 AM EDT · Resolved Jul 30, 2025 6:15 PM EDT · Duration about 10 hours

Major July 17, 2025

July 2025: Delay with CCTP Attestations on SUI

Detected Jul 17, 2025 6:26 PM EDT · Resolved Jul 17, 2025 6:53 PM EDT · Duration 27 minutes

Major July 16, 2025

July 2025: CCTP on Sui Delayed Attestation

Detected Jul 16, 2025 4:51 AM EDT · Resolved Jul 16, 2025 8:31 AM EDT · Duration about 4 hours

Major July 3, 2025

July 2025: CCTP attestations delayed on Polygon

Detected Jul 3, 2025 1:57 PM EDT · Resolved Jul 3, 2025 4:55 PM EDT · Duration about 3 hours

Minor July 3, 2025

July 2025: Solana USDC - Solana Devnet Maintenance

Detected Jul 3, 2025 1:14 PM EDT · Resolved Jul 4, 2025 1:38 PM EDT · Duration 1 day

Major July 3, 2025

July 2025: [Wallet] "completed" notification might be delayed on Unichain-Sepolia

Detected Jul 3, 2025 5:53 AM EDT · Resolved Jul 3, 2025 6:17 AM EDT · Duration 25 minutes