Resolved after 9 hours 21 minutes, affecting Circle CCTP - Sandbox, on September 21, 2026.
We have identified an issue causing delays or degraded performance on Circle's Cross-Chain Transfer Protocol (CCTP) Testnet. 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.
Affected components
Update timeline
- investigating Sep 21, 2026, 03:08 PM UTC
We have identified an issue causing delays or degraded performance on Circle's Cross-Chain Transfer Protocol (CCTP) Sandbox. 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.
- investigating Sep 21, 2026, 03:50 PM UTC
We have identified an issue causing delays or degraded performance on Circle's Cross-Chain Transfer Protocol (CCTP) Testnet. 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 Sep 22, 2026, 12:29 AM UTC
This incident has been resolved.
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