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Zero Hash Outage History

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

There were 243 Zero Hash outages since September 2019. The 51 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor June 2, 2026

June 2026: Degraded Performance: Account Funding SDK

Detected Jun 2, 2026 9:14 AM EDT · Resolved Jun 2, 2026 10:49 AM EDT · Duration about 2 hours

Zero Hash's Account Funding SDK experienced degraded performance for 1.6 hours, causing users to encounter intermittent loading issues or blank screens when attempting to fund their accounts. The engineering team implemented a fix and monitored the results before resolving the incident.

Major May 28, 2026

May 2026: Degraded Client Portal Performance

Detected May 28, 2026 7:22 PM EDT · Resolved May 28, 2026 8:50 PM EDT · Duration about 1 hour

Zero Hash experienced a major incident where users were unable to access the Client Portal for 1.5 hours. API calls remained unaffected during the outage. The issue was resolved with an implemented fix, restoring normal Client Portal functionality.

Minor May 27, 2026

May 2026: Developer documentation site unavailable

Detected May 27, 2026 11:35 AM EDT · Resolved May 27, 2026 5:48 PM EDT · Duration about 6 hours

Zero Hash's developer documentation site was unavailable for 6.2 hours due to an outage at their third-party documentation hosting provider. The core Zero Hash API and platform remained fully operational, with trading, settlement, withdrawals, and all other platform operations unaffected. The incident was resolved after the hosting provider implemented a fix and restored access to the documentation.

Minor May 22, 2026

May 2026: Delayed ETH Withdrawals & Deposits

Detected May 22, 2026 12:51 PM EDT · Resolved May 22, 2026 1:05 PM EDT · Duration 14 minutes

Zero Hash experienced a 14-minute delay in processing Ethereum (ETH) withdrawals and deposits, affecting the /accounts component. The issue was quickly identified and resolved, with all impacted transactions automatically confirmed on-chain once the fix was implemented.

Minor May 19, 2026

May 2026: Delayed Solana Withdrawals & Deposits

Detected May 19, 2026 7:57 PM EDT · Resolved May 19, 2026 8:36 PM EDT · Duration 39 minutes

Zero Hash experienced a 39-minute service disruption affecting Solana (SOL) cryptocurrency withdrawals and deposits, causing processing delays for these transactions. The issue impacted the /accounts component and prevented normal transaction processing. All affected transactions were automatically confirmed on-chain once the issue was resolved.

Minor April 23, 2026

April 2026: Delayed Solana Withdrawals & Deposits

Detected Apr 23, 2026 3:51 PM EDT · Resolved Apr 23, 2026 5:23 PM EDT · Duration about 2 hours

Zero Hash experienced a 1.5-hour delay in processing Solana (SOL) cryptocurrency withdrawals and deposits, affecting the /accounts component. The team identified the root cause and implemented a fix, with all impacted transactions automatically confirmed on-chain once the issue was resolved.

Major April 15, 2026

April 2026: Elevated 404 Error Rate on /withdrawals/requests Endpoint

Detected Apr 15, 2026 8:59 PM EDT · Resolved Apr 15, 2026 10:45 PM EDT · Duration about 2 hours

Zero Hash experienced elevated 404 errors on the /withdrawals/requests endpoint that affected all withdrawal operations, including those initiated via /convert_withdraw/execute and /payments endpoints. The issue caused withdrawals to be stalled or dropped during the 1.8-hour incident window. The root cause was identified and fixed, with all impacted withdrawals subsequently reprocessed once the system was restored.

Minor April 14, 2026

April 2026: Intermittent delays processing withdrawals on convert withdraw execution

Detected Apr 14, 2026 6:19 AM EDT · Resolved Apr 14, 2026 10:03 AM EDT · Duration about 4 hours

Zero Hash experienced intermittent delays processing crypto withdrawals through the /convert_withdraw/execute endpoint for 3.7 hours. The issue affected the /accounts component and caused a backlog of withdrawals that returned 404 errors on the GET /withdrawals/requests endpoint. The team implemented a fix to restore the convert_withdraw endpoint functionality and processed the affected withdrawal backlog.

Minor April 12, 2026

April 2026: Withdrawal Delays: Stellar Network(USDC.XLM/XLM)

Detected Apr 12, 2026 4:56 PM EDT · Resolved Apr 12, 2026 5:22 PM EDT · Duration 26 minutes

Zero Hash experienced delays in processing USDC.XLM and XLM withdrawals on the Stellar network due to issues with their MPC (multi-party computation) provider. The incident affected account operations and fiat deposits, lasting 26 minutes before being resolved through collaboration with the MPC provider.

Minor April 3, 2026

April 2026: Delayed BTC Withdrawals

Detected Apr 3, 2026 1:45 PM EDT · Resolved Apr 3, 2026 2:57 PM EDT · Duration about 1 hour

Zero Hash experienced a 1.2-hour delay in processing Bitcoin withdrawals due to an issue with their MPC (multi-party computation) provider, affecting the /accounts component. The incident was resolved when all impacted transactions were automatically confirmed on-chain.