ELEVATED ERROR RATES ON MULTIPLE API ENDPOINTS

The incident identified to be impacting multiple API endpoints intermittently between ~12:19 CET and 17:01 CET on 27.10.2025, resulting in elevated API error rates has been resolved.

Services have been monitored in order to ensure that all operations are running within normal service levels and no further updates will be provided.

Partner/Customer Impact Resolution:
Intermittent 5XX API error messages are no longer returned from multiple API endpoints across all services and customers will no longer receive error messages in the partner mobile or web applications.

Disclaimer: Actual customer impact may vary, depending on each Partner's implementation of Solaris SE API services.

The incident has been resolved. No further updates would be provided

We apologize for any inconveniences this outage may have caused.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated as of 17:01 CET

Partners/Customers attempting to use the services associated to the endpoints would no longer be presented with generic error messages.

The incident was mitigated and services are being monitored in order to ensure all operations are running within normal service levels.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners is being surfaced again while the teams are working on fixing the underlying issue. We will keep you posted once we have any further updates.

Partner Impact:

Partners/Customers attempting to use the services associated to the endpoints would have been presented with either generic error messages or specific to each Partner's implementation of the endpoint/s.

We apologize for any inconveniences this outage may have caused.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated but we are experiencing issues related to transaction processings. You might experience elevated 5XXs error messages across multiple API Endpoints to mitigate the issue. The teams are working on fixing the underlying issue. We will keep you posted once we have any further updates.

Partner Impact:

Partners/Customers attempting to use the services associated to the endpoints would have been presented with either generic error messages or specific to each Partner's implementation of the endpoint/s.

We apologize for any inconveniences this outage may have caused.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated but we are experiencing issues related to transaction processings.

The teams are working on fixing the underlying issue. We will keep you posted once we have any further updates

Partner Impact:

• Partners/Customers attempting to process transactions would expect delays in processing

5XXs errors while calling the below API Endpoints:

• POST /v1/accounts/{account_id)/transfer_requests/{transfer_request_id)/executions
• POST /v1/persons/{person_id)/deposit_accounts/{account_id)/payout
• POST /v1/persons/{person_id)/deposit_accounts/{account_id)/payin
• POST /v1/accounts/{account_id}/transactions/sepa_instant_credit_transfers

Customer Impact: Customers might experienced error messages while attempting to initiate transactions

Disclaimer: Actual customer impact may vary, depending on each Partner's implementation of Solaris SE API services.

API Reference Documentation:
To understand more about the impacted endpoints please read the following public documentation:

• https://docs.solarisgroup.com/api-reference/digital-banking/transactions/transfer-requests/paths/~1v1~1accounts~1%7Baccount_id%7D~1transfer_requests~1%7Btransfer_request_id%7D~1executions/post
• https://docs.solarisgroup.com/api-reference/digital-banking/account-management/savings-accounts/paths/~1v1~1persons~1%7Bperson_id%7D~1deposit_accounts~1%7Baccount_id%7D~1payin/post
• https://docs.solarisgroup.com/api-reference/digital-banking/account-management/savings-accounts/paths/~1v1~1businesses~1%7Bbusiness_id%7D~1deposit_accounts~1%7Baccount_id%7D~1payin/post
• https://docs.solarisgroup.com/api-reference/digital-banking/sepa-transfers/sepa-instant-credit-transfers/paths/~1v1~1accounts~1%7Baccount_id%7D~1transactions~1sepa_instant_credit_transfers/post

We apologize for any inconveniences this outage may have caused.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated but we are experiencing issues related to transaction processings

Partner Impact:

• Partners/Customers attempting to process transactions would expect delays in processing

5XXs errors while calling the below API Endpoints:

• POST /v1/accounts/{account_id)/transfer_requests/{transfer_request_id)/executions
• POST /v1/persons/{person_id)/deposit_accounts/{account_id)/payout
• POST /v1/persons/{person_id)/deposit_accounts/{account_id)/payin
• POST /v1/accounts/{account_id}/transactions/sepa_instant_credit_transfers

Customer Impact: Customers might experienced error messages while attempting to initiate transactions

Disclaimer: Actual customer impact may vary, depending on each Partner's implementation of Solaris SE API services.

API Reference Documentation:
To understand more about the impacted endpoints please read the following public documentation:

• https://docs.solarisgroup.com/api-reference/digital-banking/transactions/transfer-requests/paths/~1v1~1accounts~1%7Baccount_id%7D~1transfer_requests~1%7Btransfer_request_id%7D~1executions/post
• https://docs.solarisgroup.com/api-reference/digital-banking/account-management/savings-accounts/paths/~1v1~1persons~1%7Bperson_id%7D~1deposit_accounts~1%7Baccount_id%7D~1payin/post
• https://docs.solarisgroup.com/api-reference/digital-banking/account-management/savings-accounts/paths/~1v1~1businesses~1%7Bbusiness_id%7D~1deposit_accounts~1%7Baccount_id%7D~1payin/post
• https://docs.solarisgroup.com/api-reference/digital-banking/sepa-transfers/sepa-instant-credit-transfers/paths/~1v1~1accounts~1%7Baccount_id%7D~1transactions~1sepa_instant_credit_transfers/post

We apologize for any inconveniences this outage may have caused.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated but we are experiencing issues related to transaction processings

Partners/Customers attempting to process transactions would expect delays in processing

We will share more details on the error after further investigation is performed.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

The issue with elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners has been mitigated as of 12:54 CET

Partners/Customers attempting to use the services associated to the endpoints would no longer be presented with generic error messages.

The incident was mitigated and services are being monitored in order to ensure all operations are running within normal service levels.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.

We have identified elevated 5XXs API error messages to be returned on multiple API endpoints to our Partners

Partners/Customers attempting to use the services associated to the endpoints would have been presented with either generic error messages or specific to each Partner's implementation of the endpoint/s.

We will share more details on the error after further investigation is performed.

In case of any questions or concerns, please contact us by sending an email at incidents@solarisgroup.com or through our dedicated ticketing platform.