NOTIFICATION - Update Vantiv Credit Authorization URL endpoint in PARPOS settings for all locations by 9/15/2026
Update - We are continuing to investigate this issue.
Sep 15, 2026 - 09:07 PDT
Update - We are continuing to investigate this issue.
Aug 20, 2026 - 11:27 PDT
Investigating - Dear Valued Customer,

We are re-sending the below update regarding Worldpay / Vantiv maintenance.

Worldpay / Vantiv has migrated to a new Certificate Authority provider. The affected customers would require updating their Vantiv PARPOS Credit Authorization URL endpoint in POS settings.

Previous Address: https://prod.ssl53.com/AUTH
New Address: https://prod.protectedtransactions.com/AUTH

The changes must be updated for all locations by September 15, 2026 to avoid payment failures. This configuration change will trigger a changeset publish and register restart.

PAR also recommends that customers remove legacy MSR configurations from their systems if they are no longer in use, as this will substantially improve operational efficiency and reduce unnecessary processing during end-of-day.

Please ensure network connectivity is up to date for all sites to properly download and install software updates. PAR POS Network Connectivity: https://cdn.parpos.com/en/docs/PAR_POS_Network_Connectivity_Requirements_All_In_One.pdf

If you have additional questions, please contact your PAR POS representative or email us at PaymentServices@Partech.com.

Thank you,

PAR Payment Services Support Team
Aug 20, 2026 - 11:23 PDT
Degradation of Admin Portal 12 Services
Identified - We have identified the issue and are applying a patch now to mitigate the problems.
Jun 16, 2026 - 11:20 PDT
Investigating - We are currently investigating issues on Admin Portal 12 causing some degradation of services.
Jun 16, 2026 - 11:05 PDT
Important Update: Support for Legacy Windows Versions Has Ended
Update - We are continuing to monitor for any further issues.
Aug 01, 2025 - 12:09 PDT
Monitoring - Support for PAR POS on Legacy Windows Versions has ended. For questions or assistance, please contact your PAR representative directly.

Original notification:
Effective July 31, 2025, we will no longer support PAR POS on terminals and KDS hardware running:

- Windows 10 2015 LTSB
- Windows 7
- Windows 8

These versions do not support Microsoft .NET Core, which is essential for future features and integrations. Upgrading to a supported Windows version ensures uninterrupted service and access to the latest functionality, including the Brink in-store API, which provides real-time data access in-store, regardless of internet connectivity. Please review the updated POS System Requirements here: https://cdn.parpos.com/docs/POSSystemRequirements.pdf
Apr 30, 2025 - 13:13 PDT
PAR POS on Admin1 Operational
PAR POS on Admin2 Operational
PAR POS on Admin3 Operational
PAR POS on Admin4 Operational
PAR POS on Admin5 Operational
PAR POS on Admin6 Operational
PAR POS on Admin8 Operational
PAR POS on Admin9 Operational
PAR POS on Admin11 Operational
PAR POS on Admin12 Operational
PAR POS on Admin13 Operational
PAR POS on Admin14 Operational
PAR POS on Admin15 Operational
PAR POS on Admin16 Operational
PAR POS on Admin17 Operational
PAR POS on Admin18 Operational
PAR POS on Admin19 Operational
PAR POS on Admin20 Operational
PAR POS on Admin21 Operational
PAR POS on Admin22 Operational
PAR POS on Admin 23 Operational
PAR POS on Admin24 Operational
Customer Support Telephone Services Operational
PAR Pay Operational
PAR Payment Services Operational
PAR POS on EarlyExp Operational
PAR POS on APIINT Operational
PAR POS on Admin26 Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Oct 16, 2026

No incidents reported today.

Oct 15, 2026

No incidents reported.

Oct 14, 2026

No incidents reported.

Oct 13, 2026

PAR Payment Services: Funding Delay Notice for for Columbus Day (October 12th, 2026)
Resolved - This incident has been resolved.
Oct 13, 06:00 PDT
Investigating - Dear PAR Payment Services Customer,

Please be advised that due to the upcoming Federal Bank Holiday for Columbus Day (October 12th, 2026), there will be a one-day delay in funding.

Normal funding operations will resume the following business day. We apologize for any inconvenience this may cause and appreciate your understanding.

If you have any questions or require assistance, please contact our support team.

Thank you,

PAR Payment Services Support Team
Oct 12, 12:33 PDT

Oct 12, 2026

Oct 11, 2026

No incidents reported.

Oct 10, 2026

No incidents reported.

Oct 9, 2026

No incidents reported.

Oct 8, 2026

Important Notice for Integrators and Partners: PAR has scheduled Cloudflare maintenance for Admin25 on 10/14 at 10:30 PM PST
Completed - The scheduled maintenance has been completed.
Oct 8, 18:11 PDT
Scheduled - PAR has scheduled a Cloudflare migration maintenance for Admin25 on 10/14 at 10:30 PM PST.

During the maintenance window, customers may experience brief periods of increased latency when accessing the Admin Portal or API endpoints. No prolonged service interruption is expected. We will provide an update once maintenance is complete.

Important Notice for Integrators and Partners:
As part of this maintenance, PAR is implementing updates to our SSL certificate configuration. These updates introduce additional trusted Certificate Authorities (CAs) and result in a change to the certificate chain and trust path used across PAR POS platforms. While existing documentation focuses primarily on in‑store POS environments, these SSL certificate changes also apply to API integrations. Integrations that currently function may encounter connectivity issues if the appropriate root and intermediate certificates are not trusted within partner applications or infrastructure.

PAR platforms utilize a combination of Certificate Authorities, including:
- AWS Certificate Authority
- ssl.com
- Cloudflare Certificate Authorities (including ssl.com–issued certs via Cloudflare)


Required Integrator Action (Strongly Recommended):
All integrators are strongly recommended to validate SSL/TLS connectivity prior to the maintenance window by testing against PAR’s APIINT (integration test) endpoints. These endpoints represent PAR’s two primary certificate authority paths and will help confirm compatibility with the updated trust chain. Successful testing indicates that your integration should continue to function as expected following maintenance.
- https://api-apiint.parpos.com/Sales.svc
- https://api-apiint.brinkpos.net/Sales.svc

In addition, check for the following:
Certificate pinning - If your integration pins to a specific certificate or thumbprint, it will break as once Cloudflare is in front, the certificate presented to the client changes. Confirm that the code either does not pin a certificate, or is updated to pin to the new Cloudflare-issued certificate.
TLS version and SNI - Cloudflare requires TLS 1.2 or higher, and requires SNI (Server Name Indication) in the handshake. If the client is on an older TLS version or an old library that skips SNI, the connection will fail.

Reference Documentation:
- SSL Certificate Validation Document:
- https://cdn.parpos.com/docs/SSLCertificateValidation.pdf

Network Connectivity Requirements:
https://cdn.parpos.com/en/docs/PAR_POS_Network_Connectivity_Requirements_All_In_One.pdf

Support:
If you encounter issues during testing or require additional technical details, please contact your PAR representative or email support.PARPOSsoftware@partech.com.

We appreciate your partnership and proactive validation to ensure uninterrupted service.
Oct 8, 18:03 PDT

Oct 7, 2026

No incidents reported.

Oct 6, 2026

Maintenance on the Server that Hosts the PAR POS Instance is Scheduled on 10/6 at 10:30 pm Pacific
Completed - The scheduled maintenance has been completed.
Oct 6, 23:30 PDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 6, 22:30 PDT
Scheduled - PAR has scheduled maintenance on the server hosting the PAR POS instance on 10/6 at 10:30 pm Pacific.

During the maintenance window, customers may experience brief periods of increased latency when accessing the Admin Portal or API endpoints. No prolonged service interruption is expected. We will provide an update once maintenance is complete.

Important Notice for Integrators and Partners:
As part of this maintenance, PAR is implementing updates to our SSL certificate configuration. These updates introduce additional trusted Certificate Authorities (CAs) and result in a change to the certificate chain and trust path used across PAR POS platforms. While existing documentation focuses primarily on in‑store POS environments, these SSL certificate changes also apply to API integrations. Integrations that currently function may encounter connectivity issues if the appropriate root and intermediate certificates are not trusted within partner applications or infrastructure.

PAR platforms utilize a combination of Certificate Authorities, including:
- AWS Certificate Authority
- ssl.com
- Cloudflare Certificate Authorities (including ssl.com–issued certs via Cloudflare)


Required Integrator Action (Strongly Recommended):
All integrators are strongly recommended to validate SSL/TLS connectivity prior to the maintenance window by testing against PAR’s APIINT (integration test) endpoints. These endpoints represent PAR’s two primary certificate authority paths and will help confirm compatibility with the updated trust chain. Successful testing indicates that your integration should continue to function as expected following maintenance.
- https://api-apiint.parpos.com/Sales.svc
- https://api-apiint.brinkpos.net/Sales.svc

In addition, check for the following:
Certificate pinning - If your integration pins to a specific certificate or thumbprint, it will break as once Cloudflare is in front, the certificate presented to the client changes. Confirm that the code either does not pin a certificate, or is updated to pin to the new Cloudflare-issued certificate.
TLS version and SNI - Cloudflare requires TLS 1.2 or higher, and requires SNI (Server Name Indication) in the handshake. If the client is on an older TLS version or an old library that skips SNI, the connection will fail.

Reference Documentation:
- SSL Certificate Validation Document:
- https://cdn.parpos.com/docs/SSLCertificateValidation.pdf

Network Connectivity Requirements:
https://cdn.parpos.com/en/docs/PAR_POS_Network_Connectivity_Requirements_All_In_One.pdf

Support:
If you encounter issues during testing or require additional technical details, please contact your PAR representative or email support.PARPOSsoftware@partech.com.

We appreciate your partnership and proactive validation to ensure uninterrupted service.
Sep 29, 19:33 PDT

Oct 5, 2026

No incidents reported.

Oct 4, 2026

No incidents reported.

Oct 3, 2026

No incidents reported.

Oct 2, 2026

No incidents reported.

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