Circle incident

Sepolia Testnet Unsafe Head Stalled

Major Resolved View vendor source →

Circle experienced a major incident on April 16, 2026 affecting Public Faucet – BASE Sepolia and Circle Gateway: Base - Sepolia and 1 more component, lasting 1h 11m. The incident has been resolved; the full update timeline is below.

Started
Apr 16, 2026, 06:56 PM UTC
Resolved
Apr 16, 2026, 08:07 PM UTC
Duration
1h 11m
Detected by Pingoru
Apr 16, 2026, 06:56 PM UTC

Affected components

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

Update timeline

  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.