THIS IS A SCHEDULED EVENT Dec <var data-var='date'>17</var>, <var data-var='time'>19:38</var> - <var data-var='time'>20:38</var> UTC May <var data-var='date'>26</var>, <var data-var='time'>19:39</var> UTC Scheduled - A planned Stellar Testnet quarterly reset requires pausing all Testnet Stellar mint, redeem, and sends on Circle Sandbox.

Stellar Testnet Reset Q4 - Dec 17 2026

THIS IS A SCHEDULED EVENT Oct <var data-var='date'>7</var>, <var data-var='time'>13:00</var> - <var data-var='time'>21:00</var> UTC Oct <var data-var='date'> 5</var>, <var data-var='time'>22:23</var> UTC Scheduled - We will be undergoing scheduled maintenance during this time. The Aptos test network will undergo a reset. Existing test-network accounts, balances, deployed contracts, and transaction history will be cleared. Developers will need to recreate their test accounts and redeploy contracts after the reset. Aptos mainnet is not affected.

Aptos Testnet Reset

Oct <var data-var='date'> 5</var>, <var data-var='time'>16:21</var> UTC Update - USDC mints, burns and standard transfers via CCTP on Linea are experiencing temporary delays. We are currently investigating the cause and working to resolve the issue. Oct <var data-var='date'> 5</var>, <var data-var='time'>15:29</var> UTC Investigating - USDC mints and burns on Linea are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.

USDC on Linea — Delayed mints and burns (technical difficulties)

Oct <var data-var='date'> 1</var>, <var data-var='time'>14:24</var> UTC Investigating - The XDC Testnet is currently experiencing a network outage affecting all XDC Testnet operations. Operations will be possible once the XDC Testnet network has been restored.

XDC Testnet network outage

Sep <var data-var='date'>30</var>, <var data-var='time'>14:17</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>29</var>, <var data-var='time'>23:12</var> UTC Identified - We’ve identified the cause of the downtime and applied a fix. Processing is catching up, and Circle Mint Sandbox inbound and outbound transfers on NEAR Testnet remain unavailable. We’ll update again once service is confirmed stable. Sep <var data-var='date'>28</var>, <var data-var='time'>18:56</var> UTC Investigating - Circle Mint Sandbox inbound and outbound transfers on NEAR Testnet are currently unavailable. Our team is aware and actively working to restore access.

NEAR Testnet — Sandbox inbound and outbound transfers unavailable

Sep <var data-var='date'>30</var>, <var data-var='time'>07:51</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>30</var>, <var data-var='time'>07:04</var> UTC Investigating - USDC mints and burns on NEAR are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.

USDC on NEAR — Delayed mints and burns (technical difficulties)

Sep <var data-var='date'>28</var>, <var data-var='time'>16:51</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>23</var>, <var data-var='time'>20:27</var> UTC Identified - We’ve identified the cause of the downtime and are applying a fix. We’ll update again once service is confirmed stable.

NEAR Testnet — Sandbox outbound transfers unavailable

Sep <var data-var='date'>28</var>, <var data-var='time'>15:57</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>28</var>, <var data-var='time'>02:42</var> UTC Investigating - Circle has temporarily paused attestations for USDC burns on Noble via Circle's Cross-Chain Transfer Protocol (CCTP) as part of maintenance to CCTP on Noble.

Noble CCTP Mainnet Maintenance

Sep <var data-var='date'>26</var>, <var data-var='time'>23:08</var> UTC Update - We've finished the infrastructure maintenance. Thank you for your patience as we make internal improvements to serve you better in the future. Sep <var data-var='date'>26</var>, <var data-var='time'>23:00</var> UTC Completed - The scheduled maintenance has been completed. Sep <var data-var='date'>26</var>, <var data-var='time'>20:00</var> UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Sep <var data-var='date'>12</var>, <var data-var='time'>00:14</var> UTC Update - This maintenance has been rescheduled. The new window is Saturday 26 September 2026, 20:00–23:00 UTC (13:00–16:00 PDT / 16:00–19:00 EDT). We expect the maintenance window to last approximately 180 minutes. The following operations may experience brief degraded performance. - Circle Mint - Circle Mint APIs - CPN APIs - USDC Access - USDC / EURC minting and redeeming - Payments / transfers (including Express) - Programmable Wallets - Travel Rule - Circle Hub (hub.circle.com) Sep <var data-var='date'>12</var>, <var data-var='time'>00:01</var> UTC Update - We will be undergoing scheduled database maintenance starting Saturday, 26 September 2026, 20:00–23:00 UTC (13:00–16:00 PDT / 16:00–19:00 EDT). We expect the maintenance window to last approximately 180 minutes. The following operations may experience brief degraded performance. - Circle Mint - Circle Mint APIs - CPN APIs - USDC Access - USDC / EURC minting and redeeming - Payments / transfers (including Express) - Programmable Wallets - Travel Rule - Circle Hub (hub.circle.com) Sep <var data-var='date'>11</var>, <var data-var='time'>21:18</var> UTC Update - We will be undergoing scheduled maintenance during this time. Sep <var data-var='date'>11</var>, <var data-var='time'>21:14</var> UTC Scheduled - We will be undergoing scheduled database maintenance starting Saturday, 19 September 2026, 20:00–23:00 UTC (13:00–16:00 PDT / 16:00–19:00 EDT). We expect the maintenance window to last approximately 180 minutes. The following operations may experience brief degraded performance. - Circle Mint - Circle Mint APIs - CPN APIs - USDC Access - USDC / EURC minting and redeeming - Payments / transfers (including Express) - Programmable Wallets - Travel Rule - Circle Hub (hub.circle.com)

Infrastructure Maintenance

Sep <var data-var='date'>24</var>, <var data-var='time'>21:00</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>22</var>, <var data-var='time'>18:06</var> UTC Update - We are aware of Web3 Services Notifications’ downtime and are currently investigating to resolve this issue. Sep <var data-var='date'>22</var>, <var data-var='time'>17:52</var> UTC Investigating - We are aware of Circle Mint Notifications’ downtime and currently investigating to resolve this issue.

Web3 Services Notifications — Webhook delivery issues

Sep <var data-var='date'>24</var>, <var data-var='time'>16:31</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>24</var>, <var data-var='time'>15:33</var> UTC Investigating - A planned Injective maintenance requires pausing all Injective mint, redeem, and sends on Circle. This does not interrupt the transferability of the USDC on Injective token on non-Circle platforms.

Injective Mainnet Maintenance

Sep <var data-var='date'>22</var>, <var data-var='time'>16:37</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>22</var>, <var data-var='time'>15:24</var> UTC Investigating - We are aware of Circle Mint’s Core Functionality API downtime and currently investigating to resolve this issue.

Circle Mint - Core Functionality API partial unavailability

Sep <var data-var='date'>22</var>, <var data-var='time'>00:29</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>21</var>, <var data-var='time'>15:50</var> UTC Update - 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. Sep <var data-var='date'>21</var>, <var data-var='time'>15:08</var> UTC Investigating - 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.

Circle CCTP Testnet - Delays/Degraded Performance

Sep <var data-var='date'>18</var>, <var data-var='time'>17:23</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>18</var>, <var data-var='time'>17:08</var> UTC Investigating - We have identified an issue causing delays or degraded performance on Programmable Wallets and Circle's Cross-Chain Transfer Protocol (CCTP) on Arc. 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.

Programmable Wallets and CCTP on Arc - Delays/Degraded Performance

Sep <var data-var='date'>18</var>, <var data-var='time'>02:14</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>17</var>, <var data-var='time'>23:03</var> UTC Investigating - USDC mints and burns on CODEX are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.

USDC on CODEX — Delayed mints and burns

Sep <var data-var='date'>29</var>, <var data-var='time'>22:54</var> UTC Update - The Noble Testnet is still experiencing a network outage affecting all Noble Testnet operations. Operations will be possible once the Noble Testnet network has been restored. Sep <var data-var='date'>17</var>, <var data-var='time'>13:07</var> UTC Investigating - The Noble Testnet is currently experiencing a network outage affecting all Noble Testnet operations. Operations will be possible once the Noble Testnet network has been restored.

Noble Testnet network outage

Sep <var data-var='date'>11</var>, <var data-var='time'>19:39</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'>11</var>, <var data-var='time'>02:09</var> UTC Monitoring - USDC mints and burns on STMT are delayed due to network issues. We are currently investigating the cause.

Delayed mint/burn on STMT due to chain outage

Sep <var data-var='date'>10</var>, <var data-var='time'>16:02</var> UTC Monitoring - Beginning October 13, 2026, Circle is discontinuing support for USDC and CCTP V1 on Noble in a phased transition. For details, please see the blog: https://www.circle.com/blog/circle-is-discontinuing-support-for-usdc-and-cctp-v1-on-noble

Circle is discontinuing support for USDC and CCTP V1 on Noble in a phased transition

Sep <var data-var='date'> 5</var>, <var data-var='time'>18:14</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'> 5</var>, <var data-var='time'>02:27</var> UTC Update - Monitoring: The Linea network has restored finalization. Outbound Cross-Chain Transfer Protocol (CCTP) attestations on Linea have been re-enabled and queued transfers are now processing as the backlog clears. Circle Mint deposits on Linea can now finalize as the network catches up. We are monitoring recovery and will post a final update once fully resolved. Sep <var data-var='date'> 2</var>, <var data-var='time'>22:25</var> UTC Update - The issue has been identified. Circle Mint deposits on Linea can be initiated but will not finalize or complete, and outbound Cross-Chain Transfer Protocol (CCTP) attestations are paused while the Linea network team works to restore finalization. Restoration may take several days. Circle Mint transfers and inbound CCTP mints to Linea are unaffected. Sep <var data-var='date'> 2</var>, <var data-var='time'>18:21</var> UTC Identified - The issue has been identified. Circle Mint deposits on Linea can be initiated but will not finalize or complete, and outbound Cross-Chain Transfer Protocol (CCTP) attestations are paused while the Linea network team works to restore finalization. Restoration may take several days. Circle Mint transfers and inbound CCTP mints to Linea are unaffected.

Circle Mint deposits and outbound CCTP attestations on Linea delayed

Sep <var data-var='date'> 2</var>, <var data-var='time'>21:09</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'> 2</var>, <var data-var='time'>02:53</var> UTC Update - Circle Mint operations on Cronos have been restored, and we are monitoring the results. Sep <var data-var='date'> 1</var>, <var data-var='time'>21:42</var> UTC Monitoring - Cross-Chain Transfer Protocol (CCTP) operations on Cronos have been restored, and we are monitoring the results. Circle Mint operations on Cronos remain unavailable. Aug <var data-var='date'>31</var>, <var data-var='time'>06:23</var> UTC Identified - We are working with the Cronos team to implement a fix and restore service. Aug <var data-var='date'>30</var>, <var data-var='time'>14:58</var> UTC Investigating - The Cronos Mainnet is currently experiencing a network outage affecting all Cronos operations. Operations will be possible once the Cronos network has been restored.

Cronos Mainnet outage

Sep <var data-var='date'> 2</var>, <var data-var='time'>15:02</var> UTC Resolved - This incident has been resolved. Sep <var data-var='date'> 2</var>, <var data-var='time'>14:59</var> UTC Investigating - We have identified an issue causing delays or degraded performance on Circle's Cross-Chain Transfer Protocol (CCTP) on HyperEVM. 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.

CCTP Attestations on HyperEVM Delayed

Sep <var data-var='date'> 2</var>, <var data-var='time'>01:00</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'>28</var>, <var data-var='time'>22:07</var> UTC Identified - The issue has been identified and a fix is being implemented.

USDC on Stellar Testnet — Delayed mints, burns, and faucet requests

Sep <var data-var='date'> 1</var>, <var data-var='time'>19:12</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'>31</var>, <var data-var='time'>16:16</var> UTC Investigating - USDC /CCTP mints and burns on Injective are delayed due to network issues. We are currently investigating the cause.

USDC and CCTP on Injective — Delayed mints, burns, and transfers

Aug <var data-var='date'>31</var>, <var data-var='time'>18:59</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'>30</var>, <var data-var='time'>14:07</var> UTC Investigating - USDC mints on Linea are experiencing technical difficulties and temporary delays. We are currently investigating the cause and working to resolve the issue.

USDC on Linea — Delayed mints

Aug <var data-var='date'>24</var>, <var data-var='time'>13:35</var> UTC Resolved - This incident has been resolved. Aug <var data-var='date'>24</var>, <var data-var='time'>13:11</var> UTC Investigating - We are seeing unexpected network issues impacting Circle xReserve on Stacks Mainnet, causing transaction delays or degraded performance. Our team is investigating the root cause and working to restore normal operation as soon as possible.

Circle xReserve on Stacks Mainnet — Delays and degraded performance

APTOS - Cross-Chain Minting and Burning

ARB - Cross-Chain Minting and Burning

ARC - Cross-Chain Minting and Burning

Attestation Service

AVAX - Cross-Chain Minting and Burning

BASE - Cross-Chain Minting and Burning

Circle CCTP - Sandbox

CARDANO - Cross-Chain Minting and Burning

CODEX - Cross-Chain Minting and Burning

CRONOS - Cross-Chain Minting and Burning

EDGE - Cross-Chain Minting and Burning

ETH - Cross-Chain Minting and Burning

EURC - Cross-Chain Minting and Burning

HYPEREVM - Cross-Chain Minting and Burning

INJ - Cross-Chain Minting and Burning

INK - Cross-Chain Minting and Burning

LINEA - Cross-Chain Minting and Burning

MONAD - Cross-Chain Minting and Burning

MORPH - Cross-Chain Minting and Burning

NOBLE - Cross-Chain Minting and Burning

OP - Cross-Chain Minting and Burning

PHAROS - Cross-Chain Minting and Burning

PLASMA - Cross-Chain Minting and Burning

PLUME - Cross-Chain Minting and Burning

POLY - Cross-Chain Minting and Burning

SEI - Cross-Chain Minting and Burning

SOL - Cross-Chain Minting and Burning

SONIC - Cross-Chain Minting and Burning

STRK - Cross-Chain Minting and Burning

SUI - Cross-Chain Minting and Burning

UNI - Cross-Chain Minting and Burning

WORLD CHAIN - Cross-Chain Minting and Burning

XDC - Cross-Chain Minting and Burning

XLM - Cross-Chain Minting and Burning

XLAYER - Cross-Chain Minting and Burning

Circle Cross-Chain Transfer Protocol

Circle Gateway: Arbitrum - Mainnet

Circle Gateway: Arc - Testnet

Circle Gateway: Avalanche - Fuji

Circle Gateway: Avalanche - Mainnet

Circle Gateway: Base - Mainnet

Circle Gateway: Base - Sepolia

Circle Gateway: Ethereum - Mainnet

Circle Gateway: Ethereum - Sepolia

Circle Gateway: HyperEVM - Mainnet

Circle Gateway: HyperEVM - Testnet

Circle Gateway: Optimism - Mainnet

Circle Gateway: Polygon - Mainnet

Circle Gateway: Sei - Atlantic

Circle Gateway: Sei - Mainnet

Circle Gateway: Solana - Devnet

Circle Gateway: Solana - Mainnet

Circle Gateway: Sonic - Mainnet

Circle Gateway: Sonic - Testnet

Circle Gateway: Worldchain - Mainnet

Circle Gateway: Worldchain - Sepolia

Circle Gateway: Unichain - Mainnet

Circle Gateway

Circle Mint - Account Balances & Reporting

Circle Mint - API Key Management

Circle Mint - Authentication & Account Management

Circle Mint - Express

Circle Mint - New Account Opening

Circle Mint - Notifications

Circle Mint - Payments & Transfers

Circle Mint - Sandbox

Circle Mint - CAMT.053 Daily Statements

Circle Mint

Circle Mint - Accounts API

Circle Mint - Core Functionality API

Circle Mint - Crypto Payments API

Circle Mint - Payouts API

Circle Mint - Sandbox APIs

Circle Mint - Credit APIs

Circle Mint APIs

CPN - On-chain Transactions API

CPN - Payments API

CPN - Quotes API

CPN - Support Tickets API

CPN - Sandbox APIs

Circle Payments Network APIs

Public Faucet – ALGO Testnet

Public Faucet – APTOS Testnet

Public Faucet – ARB Sepolia

Public Faucet – ARC Testnet

Public Faucet – AVAX Fuji

Public Faucet – BASE Sepolia

Public Faucet – CELO Alfajores

Public Faucet – ETH Sepolia

Public Faucet – HBAR Testnet

Public Faucet – MATIC Amoy

Public Faucet – NEAR Testnet

Public Faucet – NOBLE Testnet

Public Faucet – OP Sepolia

Public Faucet – Polkadot Westend

Public Faucet – SOL Devnet

Public Faucet – SUI Testnet

Public Faucet – UNI Sepolia

Public Faucet – XLM Testnet

Public Faucet – ZKsync Sepolia

InConsole Faucet – ARB Sepolia

InConsole Faucet – ARC Testnet

InConsole Faucet – AVAX Fuji

InConsole Faucet – ETH Sepolia

InConsole Faucet – MATIC Amoy

InConsole Faucet – SOL Devnet

InConsole Faucet – Unichain Sepolia

Circle Testnet Faucet

circle.com

usdc.com

Circle - Developer Docs

Circle - USDC Ecosystem Website

Circle - Help Center

Circle Websites

Circle xReserve – Mainnet

Circle xReserve – Testnet

Circle xReserve - Aleo - Mainnet

Circle xReserve - Aleo - Testnet

Circle xReserve - Canton - Mainnet

Circle xReserve - Canton - Testnet

Circle xReserve - Cardano - Mainnet

Circle xReserve - Cardano - Testnet

Circle xReserve - Movement - Mainnet

Circle xReserve - Movement - Testnet

Circle xReserve - Stacks - Mainnet

Circle xReserve - Stacks - Testnet

Circle xReserve APIs

Minting

Redeeming

EURC - AVAX - Minting

EURC - AVAX - Redeeming

EURC - BASE - Minting

EURC - BASE - Redeeming

EURC - CARDANO - Minting

EURC - CARDANO - Redeeming

EURC - CRONOS - Redeeming

EURC - CRONOS - Minting

EURC - ETH - Minting

EURC - ETH - Redeeming

EURC - PLASMA - Minting

EURC - PLASMA - Redeeming

EURC - SOL - Minting

EURC - SOL - Redeeming

EURC - WORLDCHAIN - Redeeming

EURC - WORLDCHAIN - Minting

EURC - XLM - Minting

EURC - XLM - Redeeming

EURC

USDC - ALGO - Minting

USDC - ALGO - Redeeming

USDC - APTOS - Minting

USDC

Circle

Is Circle down?

Circle status is DOWN

Components with issues

Lastest published events

USDC on Linea — Delayed mints and burns (technical difficulties)

XDC Testnet network outage

NEAR Testnet — Sandbox inbound and outbound transfers unavailable

Circle Services, Components and Regions

Recent Circle events

Stellar Testnet Reset Q4 - Dec 17 2026

Aptos Testnet Reset

USDC on Linea — Delayed mints and burns (technical difficulties)

XDC Testnet network outage

NEAR Testnet — Sandbox inbound and outbound transfers unavailable

USDC on NEAR — Delayed mints and burns (technical difficulties)