THIS IS A SCHEDULED EVENT Oct <var data-var='date'>30</var>, <var data-var='time'>03:00</var> - <var data-var='time'>06:00</var> AEDT Apr <var data-var='date'>27</var>, <var data-var='time'>12:03</var> AEST Scheduled - Our upstream provider will be performing scheduled maintenance on: Start: Thursday, 30 October 2026, 03:00 a.m.AEST End: Thursday, 30 October 2026, 06:00 a.m. AEST Duration: 3 hours Impact: Card transactions will be unavailable in the sandbox/prelive environment during this period. Customers testing cards payment processing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>27</var>, <var data-var='time'>21:00</var> AEST &nbsp;-&nbsp; Aug <var data-var='date'>28</var>, <var data-var='time'>07:00</var> AEST Aug <var data-var='date'>14</var>, <var data-var='time'>09:54</var> AEST Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Environment: Prelive Start Date & Time: 27/08/2026 21:00 AEST End Date & Time: 28/08/2026 07:00 AEST During this window, the following APIs may experience outages or degraded performance: 	•	POST /wallet_accounts/:id/bill_payment (Pay a Bill) 	•	GET and POST /bpay_accounts Thank you for your understanding and continued support.

BPAY Payments - Scheduled Network Maintenance Notification (Prelive only)

Jul <var data-var='date'>31</var>, <var data-var='time'>06:00</var> AEST Completed - The scheduled maintenance has been completed. Jul <var data-var='date'>31</var>, <var data-var='time'>02:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jul <var data-var='date'>20</var>, <var data-var='time'>07:27</var> AEST Scheduled - Our upstream provider will be performing scheduled maintenance on: Start: Thursday, 31 July 2026, 02:00 a.m.AEST End: Thursday, 31 July 2026, 06:00 a.m. AEST Duration: 4 hours Impact: Card transactions will be unavailable in the sandbox/prelive environment during this period. Customers testing cards payment processing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

Jul <var data-var='date'>31</var>, <var data-var='time'>06:00</var> AEST Completed - The scheduled maintenance has been completed. Jul <var data-var='date'>31</var>, <var data-var='time'>02:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Apr <var data-var='date'>27</var>, <var data-var='time'>11:48</var> AEST Scheduled - Our upstream provider will be performing scheduled maintenance on: Start: Friday, 31 July 2026, 02:00 a.m.AEST End: Friday, 31 July 2026, 06:00 a.m. AEST Duration: 4 hours Impact: Card transactions will be unavailable in the sandbox/prelive environment during this period. Customers testing cards payment processing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

Jul <var data-var='date'>21</var>, <var data-var='time'>22:00</var> AEST Completed - The scheduled maintenance has been completed. Jul <var data-var='date'>21</var>, <var data-var='time'>21:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jul <var data-var='date'> 8</var>, <var data-var='time'>14:29</var> AEST Scheduled - Our upstream provider for BPAY will be performing scheduled maintenance on production systems during the timeframe below: Start Date & Time: 21/07/2026 21:00 AEST End Date & Time: 21/07/2026 22:00 AEST During this window, customers may experience intermittent interruptions when using Zai’s APIs to perform BPAY payouts. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - PATCH wallet_accounts/process_bpay (using CRN) - GET and POST /bpay_accounts If you rely on these features for critical payment operations, please plan these activities outside the maintenance window. We thank you for your understanding while our provider performs this necessary maintenance.

BPAY Payments – Scheduled Network Maintenance Notification

Jul <var data-var='date'>15</var>, <var data-var='time'>12:41</var> AEST Resolved - This incident has been resolved. Jul <var data-var='date'>15</var>, <var data-var='time'>12:16</var> AEST Investigating - We are currently experiencing an issue affecting NPP Payouts. As a result, NPP payouts may be delayed or unavailable. To minimise disruption, affected payouts will be redirected and processed via Direct Entry. Please note that Direct Entry payments are subject to the standard processing time and may take longer to settle than NPP payouts. Our engineering team is actively working to resolve the issue and restore normal NPP Payout services as quickly as possible. We will continue to provide updates as more information becomes available.

Investigating issues with Fast payments (NPP) payouts

Jul <var data-var='date'> 5</var>, <var data-var='time'>06:00</var> AEST Completed - The scheduled maintenance has been completed. Jul <var data-var='date'> 4</var>, <var data-var='time'>22:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Jun <var data-var='date'>19</var>, <var data-var='time'>11:11</var> AEST Scheduled - Our upstream provider for BPAY will be performing scheduled maintenance on production systems during the timeframe below: Start Date & Time: 04/07/26 22:00 AEST End Date & Time: 05/07/26 06:00 AEST During this window, customers may experience intermittent interruptions when using Zai’s APIs to perform BPAY payouts. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - PATCH wallet_accounts/process_bpay (using CRN) - GET and POST /bpay_accounts If you rely on these features for critical payment operations, please plan these activities outside the maintenance window. We thank you for your understanding while our provider performs this necessary maintenance.

Jun <var data-var='date'>24</var>, <var data-var='time'>08:39</var> AEST Resolved - This incident has been resolved. Jun <var data-var='date'>24</var>, <var data-var='time'>08:21</var> AEST Investigating - We are currently experiencing intermittent transaction authorisation issues and tokenisation request errors due to a third-party power disruption affecting part of our payments infrastructure. As a result, some transaction authorisations may be declined or return an error "Unable to process request". Service has been restored for some affected systems, and our card provider continues to work towards restoring full service. We are closely monitoring the situation and will provide further updates as they become available.

Card Payments and Tokenisation Issue

Jun <var data-var='date'> 3</var>, <var data-var='time'>02:00</var> AEST Completed - The scheduled maintenance has been completed. Jun <var data-var='date'> 3</var>, <var data-var='time'>00:30</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May <var data-var='date'>20</var>, <var data-var='time'>15:32</var> AEST Scheduled - Our upstream provider for BPAY will be performing scheduled maintenance on production systems during the timeframe below: Start Date & Time: 03/06/2026 00:30 AEST End Date & Time: 03/06/2026 02:00 AEST During this window, customers may experience intermittent interruptions when using Zai’s APIs to perform BPAY payouts. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - PATCH wallet_accounts/process_bpay (using CRN) - GET and POST /bpay_accounts If you rely on these features for critical payment operations, please plan these activities outside the maintenance window. We thank you for your understanding while our provider performs this necessary maintenance.

Jun <var data-var='date'> 3</var>, <var data-var='time'>01:02</var> AEST Completed - The scheduled maintenance has been completed. Jun <var data-var='date'> 3</var>, <var data-var='time'>01:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May <var data-var='date'>29</var>, <var data-var='time'>09:01</var> AEST Scheduled - We will be conducting scheduled maintenance on Wednesday, 03 June at 1:00am AEST, which may affect PayTo and Fast Payment (NPP) services. The maintenance is expected to take approximately 2 minutes, with only a short period where transaction processing may be impacted. Impact During the Maintenance Window: - You may experience errors or timeouts when creating virtual accounts, processing PayTo and NPP payments. - NPP PayIns may be rejected. - NPP Payouts will be automatically rerouted via Direct Entry. We recommend avoiding critical payment activities involving PayTo or NPP during this time. Thank you for your understanding and patience.

Planned upstream maintenance for PayTo, NPP and Virtual Account Creation

May <var data-var='date'>11</var>, <var data-var='time'>21:30</var> AEST Completed - The scheduled maintenance has been completed. May <var data-var='date'>11</var>, <var data-var='time'>18:30</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. May <var data-var='date'>11</var>, <var data-var='time'>07:30</var> AEST Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Environment: Sandbox/ Pre-live Start Date & Time: Monday 11 May 2026, 18:30 AEDT End Date & Time: Monday 11 May 2026, 21:30 AEDT During this window, customers may experience intermittent interruptions when using BPAY Payment APIs during the 3 hour maintenance window. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - GET and POST /bpay_accounts Customers testing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

May <var data-var='date'> 4</var>, <var data-var='time'>13:19</var> AEST Resolved - Payments processed during this incident have now been verified by our team. If possible, it is safe to retry any payments that were declined during this period. May <var data-var='date'> 4</var>, <var data-var='time'>10:18</var> AEST Monitoring - Overnight, we experienced a temporary issue with card tokenisation services of an upstream provider. This caused some card payments and card storage attempts to fail between 10:42pm Sunday 3 May and approximately 12:15am Monday 4 May. The issue has now been resolved and services are operating normally. • You can safely retry any card card storage requests that were affected. • Our technical teams are currently verifying the status of payments processed during this incident and we’ll provide further guidance on next steps regarding payment retries as soon as possible. We’re sorry for this disruption and appreciate your understanding.

Card Payments and Tokenisation Issue (Resolved)

Apr <var data-var='date'>30</var>, <var data-var='time'>06:00</var> AEST Completed - The scheduled maintenance has been completed. Apr <var data-var='date'>30</var>, <var data-var='time'>02:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Apr <var data-var='date'>27</var>, <var data-var='time'>11:42</var> AEST Scheduled - Our upstream provider will be performing scheduled maintenance on: Start: Thursday, 30 April 2026, 02:00 a.m.AEST End: Thursday, 30 April 2026, 06:00 a.m. AEST Duration: 4 hours Impact: Card transactions will be unavailable in the sandbox/prelive environment during this period. Customers testing cards payment processing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

Apr <var data-var='date'>20</var>, <var data-var='time'>21:30</var> AEST Completed - The scheduled maintenance has been completed. Apr <var data-var='date'>20</var>, <var data-var='time'>17:30</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Apr <var data-var='date'>14</var>, <var data-var='time'>16:06</var> AEST Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Environment: Sandbox/ Pre-live Start Date & Time: Monday 20 April 2026, 17:30 AEDT End Date & Time: Monday 20 April 2026, 21:30 AEDT During this window, customers may experience intermittent interruptions when using BPAY Payment APIs during the 4 hour maintenance window. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - GET and POST /bpay_accounts Customers testing in Pre-Live may wish to pause or reschedule testing during this window. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com.

Apr <var data-var='date'>17</var>, <var data-var='time'>14:40</var> AEST Resolved - The previously missing BPAY settlement file has now been delivered to Zai by our banking partner and successfully processed. Affected funds will be available in user wallets on the next banking day, Monday 20 April 2026. No further impact is expected. We apologise again for any inconvenience caused and appreciate your patience while we worked with our banking partner to resolve this issue. Apr <var data-var='date'>17</var>, <var data-var='time'>12:32</var> AEST Identified - We are currently experiencing a delay affecting settlement processing for some BPAY transactions. Zai did not receive the expected BPAY settlement file at 8:30pm on 16 April 2026. Our banking partner is actively investigating this as a priority. We expect the file to be sent and processed today, with affected funds to be credited to each user's wallet on the next banking day, Monday 20 April 2026. We will provide a further update within the next two hours. We apologise for the inconvenience and appreciate your patience.

Partial BPAY Settlement Processing Delay

Apr <var data-var='date'>12</var>, <var data-var='time'>02:00</var> AEST Completed - The scheduled maintenance has been completed. Apr <var data-var='date'>11</var>, <var data-var='time'>21:00</var> AEST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>24</var>, <var data-var='time'>17:10</var> AEDT Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Environment: Production (Other Zai services remain available) Start Date & Time: Saturday 11 April 2026, 21:00 AEDT End Date & Time: Sunday 12 April 2026, 02:00 AEDT During this window, customers may experience intermittent interruptions when using BPAY Payment APIs during the maintenance window. This includes: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - PATCH wallet_accounts/process_bpay (using CRN) - GET and POST /bpay_accounts If you rely on these features for critical payment operations, please plan these activities outside the maintenance window. If urgent payments are required, please schedule them outside the window or use alternate payment methods where possible. Other Zai services are not expected to be impacted. We will provide a progress update during the maintenance and a final update once monitoring confirms full restoration. Thank you.

Apr <var data-var='date'> 1</var>, <var data-var='time'>03:00</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>31</var>, <var data-var='time'>21:30</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>20</var>, <var data-var='time'>11:43</var> AEDT Update - We will be undergoing scheduled maintenance during this time. Mar <var data-var='date'>18</var>, <var data-var='time'>09:07</var> AEDT Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Environment: Production Start Date & Time: Tuesday 31/03/2026 21:30 AEDT End Date & Time: Wednesday 01/04/2026 03:00 AEDT During this window, the following APIs may experience outages or degraded performance: 	•	POST /wallet_accounts/:id/bill_payment (Pay a Bill) 	•	GET and POST /bpay_accounts We recommend avoiding any critical operations involving BPAY payouts or BPAY account creation during this period. Thank you for your understanding and continued support.

BPAY Payments - Scheduled Network Maintenance Notification

Mar <var data-var='date'>26</var>, <var data-var='time'>16:06</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>26</var>, <var data-var='time'>16:03</var> AEDT Verifying - Verification is currently underway for the maintenance items. Mar <var data-var='date'>26</var>, <var data-var='time'>16:02</var> AEDT Scheduled - The Knowledge Base upgrade has now been successfully completed with no further impact to users. This upgrade is part of ongoing improvements to Zai’s customer support experience. Please note that support.hellozai.com now redirects to helpdesk.hellozai.com, where you can access all Knowledge Base articles as well as our new Customer Support Portal. From here, you can create a secure login to raise, track, and manage support tickets for your organisation in one place. - To get started, click “Login” and select “Sign up with us”. - If you’ve previously used your email to raise or manage support requests, choose “Login” and then “Forgot your password” to complete your account setup. We’ll share more details about this in the coming weeks. Thanks for your patience.

Zai Knowledge Base Upgrade

Mar <var data-var='date'>26</var>, <var data-var='time'>12:43</var> AEDT Completed - The scheduled Knowledge Base upgrade encountered a minor issue and the previous support site has been restored. All services are operating as normal. We’ll provide an update of when the upgrade will be rescheduled. Thanks for your patience. Mar <var data-var='date'>26</var>, <var data-var='time'>10:43</var> AEDT Verifying - Our knowledge articles are available again in our upgraded support hub at support.hellozai.com. From this site you’ll now also be able to create your own secure login to raise, track, and manage support tickets for your organisation in one place. We’ll share more details about this in the coming weeks. - If you’d like to try it now, click “Login” and “Sign up with us”. - If your email address has already been used to raise or manage support requests with us in the past, please choose “Login” then “Forgot your password” to finish setting up your account. Mar <var data-var='date'>26</var>, <var data-var='time'>09:30</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>26</var>, <var data-var='time'>08:57</var> AEDT Scheduled - We’re upgrading our Knowledge Base today to make it easier for you to get support. During this time, the informational site support.hellozai.com may be temporarily unavailable while we move our knowledge articles to a new platform connected to our support system. There is no impact to transaction processing associated with this change. This upgrade is part of ongoing improvements to Zai’s customer support experience. Thanks for your patience while we make these improvements.

Mar <var data-var='date'>26</var>, <var data-var='time'>06:00</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>26</var>, <var data-var='time'>02:00</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>19</var>, <var data-var='time'>09:49</var> AEDT Scheduled - Our upstream provider will be performing scheduled maintenance on: Maintenance Window: Thursday, 26 March 2026 From 2:00 AM to 6:00 AM AEDT Estimated Duration: 4 hours Impact: NPP payments processing may experience intermittent disruptions for up to 60 secs. During the maintenance window, you may encounter errors or timeouts when processing payments. NPP Payins may be rejected. NPP Payouts will be automatically redirected via Direct Entry. Our team will closely monitor the situation and work to minimise any disruption during this period. If you have any questions or concerns, please contact Zai Support.

Planned upstream maintenance for NPP

Mar <var data-var='date'>22</var>, <var data-var='time'>20:52</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>22</var>, <var data-var='time'>20:00</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>11</var>, <var data-var='time'>15:39</var> AEDT Scheduled - Zai will be carrying out essential core system maintenance during this time. During the maintenance window: • Access to our Production APIs and Zai Dashboard will be unavailable for up to 90 minutes. • Some processing will be temporarily delayed until the work is complete. Service downtime will begin shortly after 8:00pm, and our team will restore services as soon as possible. ——— UNAVAILABLE SERVICES The following services will be unavailable during this maintenance period: • All realtime Cards transactions (for asynchronous Cards transactions see “Delayed Services” section) • Direct Debit transactions • PayTo agreements and transactions • BPAY, NPP, and Direct Entry Payouts • Creation and management of Users, Items, Wallets, Bank Accounts, and BPAY Accounts • Zai Dashboard website API requests submitted during this period will receive a 5xx response and will need to be retried once the maintenance window has ended. ——— DELAYED SERVICES The following services will continue to receive transactions, but processing will occur after maintenance is complete: • NPP Payins to digital wallets - Funds will still leave the payer’s account in real time, but will be credited to wallets once processing resumes • BPAY and Direct Entry Payins • Tag and Queue (asynchronous) Cards transactions will be accepted and queued for later processing ——— WHAT YOU SHOULD DO • Avoid submitting non-urgent API transactions during the maintenance window. • Inform your customers or teams in advance if they may be impacted. • Schedule any time-critical transactions outside the maintenance period. ——— We understand that an interruption of this length is not ideal. This work has been carefully planned and scheduled to minimise disruption. Completing this upgrade now will improve overall system reliability and reduce the need for similar downtime in the future. We appreciate your patience while we make these necessary improvements and apologise for any inconvenience. If you have any questions or concerns, please speak to your Account Manager or contact Technical Support at support@zaipayments.com.

Planned Zai System Maintenance - Impact to Production Services

Mar <var data-var='date'>22</var>, <var data-var='time'>08:00</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>22</var>, <var data-var='time'>00:00</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'> 6</var>, <var data-var='time'>12:03</var> AEDT Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Production Environments Start Date & Time: 22/03/26 00:00 AEDT End Date & Time: 22/03/26 08:00 AEDT During this window, the following APIs may experience outages or degraded performance: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - GET and POST /bpay_accounts We recommend avoiding any critical operations involving BPAY payouts or BPAY account creation during this period.

Mar <var data-var='date'>19</var>, <var data-var='time'>23:00</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>19</var>, <var data-var='time'>22:00</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'> 6</var>, <var data-var='time'>11:11</var> AEDT Scheduled - AP+ will be performing scheduled maintenance during the timeframe below: Production Environments Start Date & Time: 19/03/26 22:00 AEDT End Date & Time: 19/03/26 23:00 AEDT During this window, the following APIs may experience outages or degraded performance: - POST /wallet_accounts/:id/bill_payment (Pay a Bill) - GET and POST /bpay_accounts We recommend avoiding any critical operations involving BPAY payouts or BPAY account creation during this period.

Mar <var data-var='date'>17</var>, <var data-var='time'>21:10</var> AEDT Resolved - These activities are now complete. Mar <var data-var='date'>17</var>, <var data-var='time'>20:26</var> AEDT Identified - Pre-live maintenance is continuing to extend past the planned window - we will update when possible. Expect intermittent outages in the prelive API until this maintenance is completed.

Zai System Maintenance - Impact to Pre-Live Services

Mar <var data-var='date'>17</var>, <var data-var='time'>17:30</var> AEDT Completed - The scheduled maintenance has been completed. Mar <var data-var='date'>17</var>, <var data-var='time'>16:30</var> AEDT In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Mar <var data-var='date'>12</var>, <var data-var='time'>11:12</var> AEDT Scheduled - As part of preparations for upcoming Zai core production system maintenance, we will be upgrading our Pre-Live environment. The Pre-Live API and Dashboard will be unavailable for approximately 1 hour during this work. Customers testing in Pre-Live may wish to pause or reschedule testing during this window. If you have any questions or concerns, please contact our Technical Support team at support@zaipayments.com. We apologise for any inconvenience this necessary upgrade may cause.

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Lastest published events

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

BPAY Payments - Scheduled Network Maintenance Notification (Prelive only)

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

Zai Services, Components and Regions

Recent Zai events

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

BPAY Payments - Scheduled Network Maintenance Notification (Prelive only)

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

Planned upstream maintenance for cards (Sandbox/Prelive Environment only)

BPAY Payments – Scheduled Network Maintenance Notification

Investigating issues with Fast payments (NPP) payouts