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Temporary technical issues with initiating foreign transfers | November 13th, 2025
We kindly inform you, that due to maintenance work planned by the Bank that will take place on the 13th of November 2025 between 7:00 AM and 6:00 PM, there may be temporary technical issues with initiating foreign transfers under our API production environment.
Planned service downtime due to time change | October 25-26, 2025
We kindly inform you that due to the scheduled switch from daylight saving time to standard time, a temporary unavailability of services will occur. The downtime will begin on Saturday, October 25th, 2025 at 11:00 PM and will last until Sunday, October 26th, 2025 at 6:00 AM. During this time, access to the production environment of our API services may be limited or unavailable. We apologize for any inconvenience and appreciate your understanding.
Previous
Unavailability of Sandbox on July 14th, 2020
We kindly inform you that due to maintenance activities planned by the Bank our sandbox will be unavailable on July 14th from 12.00 to 16.00. This unavailability will not impact the production environment. If you have any questions don’t hesitate to ask at: developer@alior.pl
Awaria API 1.07.2020
UPDATE (14:20 1/07/2020)
Informujemy, że awaria została usunięta. Przepraszamy za wszelkie niedogodności. W przypadku pytań jesteśmy do dyspozycji.
Please be advised that the issue has been resolved. We apologize for any inconvenience. If you have any questions, please do not hesitate to contact us.
Dzień dobry,
Informujemy, że mogą wystąpić problemy z wywoływaniem usług przez API. Trwają prace naprawcze. Poinformujemy Państwa niezwłocznie po usunięciu awarii.
Pozdrawiamy,
Zespół Open Banking Alior Bank S.A.
Hello,
Please be advised that there may be problems with API services. Repair work is in progress. We will inform you as soon as the problem is resolved.
Kind regards,
Alior Bank Open Banking Team
Disabling previous versions API PIS and API AS (v2_1_1.1) on September 30th
On 20 April 2020, we introduced new versions of API PIS and API AS (v2_1_1.2) in the production environment, along with new functionalities such as split payment. Therefore, we would like to inform that previous versions of API PIS (v2_1_1.1) and API AS (v2_1_1.1) will be disabled on 30 September 2020 in the production environment and in the sandbox. Please take this change into account in your work on developing applications integrated with Alior Bank's Open API.
On the sandbox both versions of the PIS API and the AS API will be maintained in parallel until 30 September 2020, after 30 September the possibility to subscribe to version v2_1_1.1 will be disabled.
For questions we are available at developer@alior.pl.
Updates to Open API production environment // 22.06.2020
We are happy to announce that on June 22 we will implement a series of improvements and functionalities to our Open API production environment.
Hence, we would like to inform you that due to the implementation of the changes, there may be some interruptions in the functionality of our production API on June 22, 2020 from 4.30 am to 7.30 am.
You can find more details about the changes in our documentation, in PIS section: 2_1_1.2 & AIS: 2_1_1.1
Changelog:
Change No. 016
Description of the change: Providing information in the tppBundleId field.
Services: bundle, getBundle
Impact on TPP: The change concerns the PIS API.
Change No. 017
Description of the change: Change of the description in the name Address field, where the empty string will be sent even if there is no part of the address.
Services: domestic, EEA, nonEEA, tax, getAccount
Impact on TPP: The change concerns the AIS & PIS API.
Change No. 018
Description of the change: Modified scopeTimeLimit operation for Authorize, functionality is also available with settings below 3 hours.
Services: Authorize
Impact on TPP: The change concerns the AS API.
Implementation date: 22.06.2020.
If you have any questions, please contact us at: developer@alior.pl.
Unavailability of API on June 5th/6th, 2020
We kindly inform you that due to the implementation work planned by the Bank some of the services provided under the API will be unavailable on the night between 5 and 6 of June from 11 pm until 7.00 am.
Sandbox – what’s new?? // May 2020
We would like to inform you that we introduced additional features & improvements to our Sandbox. They will be valid across all versions of our PIS & AIS APIs (v2_1_1.1 and v2_1_1.2). We plan to implement the following changes in the production environment at the beginning of June – we will inform you about the exact implementation date in advance in a separate communication.
Changelog - what’s new?
Deployment date: May 13, 2020
Change No. 013
Change description: We start providing information in the tppBundleId field.
Service(s) & Product impacted: bundle, getBundle in PIS.
Change impact: You can start using tppBundleId field included in our response.
Change No. 014
Change description: We implemented a detailed error message. You will receive a detailed message when there is no Alior Bank account number on the Sandbox environment to be used for testing.
Service(s) & Product impacted: domestic in PIS.
Change impact: no impact on TPP.
Change No. 015
Change description: You will be able to browse the holds created dynamically via domestic.
Service(s) & Product impacted: getHolds in AIS.
Change impact: no impact on TPP.
If you have any questions don’t hesitate to contact us via developer@alior.pl
Unavailability of API on May 9th, 2020
We kindly inform you that due to the implementation work planned by the Bank on May 9th 2020, between 04:00 and 07:00 am, some of the services provided under the API will be unavailable.
New functionality – Split Payments // 22.04.2020
We are excited to announce the release of the new functionality - upgrade of PIS API components for the execution of Split Payments. Starting April 22nd, you will be able to use both versions of our PIS APIs: the previous one (v2_1_1.1) as well as the new (v2_1_1.2) which includes the implementation of the Split Payment functionality for domestic, recurring, and bundle services for BusinessPro PSUs. The existing v2_1_1.1 will continue to be supported for at least 3 months and a separate notification on retirement will be sent out.
Due to the introduction of new APIs, our production environment may be temporarily unavailable for approximately 2 hours from 05.00 am to 07.00 am on April 22nd, 2020.
You can find more details in our documentation in PIS: 2_1_1.2 section.
Changelog - what’s new?
Change No. 012
Change description: Upgrade of PIS API components for the execution of Split Payment. Implementation of the Split Payment functionality in domestic, recurring, and bundle services.
Impact on TPP: The change affects only AISP TPPs. The functionality extending the scope with parameters related to Split Payment works as an alternative, and in parallel with the previous version of the PIS API.
Deployment date: April 22nd, 2020
If you have any questions don’t hesitate to contact us via developer@alior.pl.
Updates to Open API production environment // 30.03.2020
We would like to inform you that we are introducing additional features to our Open API production environment.
Therefore our API will be unavailable for approximately 2 hours from 06.00 am to 08.00 am on March 30th, 2020.
Deployment date: March 30, 2020
All changes are backwards compatible, so they will not impact your current production applications
What’s new?
Change No. 005
Change description: For EEA foreign transfers we have added the possibility to initiate transfers in EUR to domestic banks.
Change No. 006
Change description: For foreign transfers (non-EEA), we have added the possibility to perform such transfers to domestic banks.
Change No. 007
Change description: We have introduced fixes in the handling of the EEA transfer type
Change No. 008
Change description: Improved control of requestID in the getBundle header and body fields check
Change No. 009
Change description: Improvement of the issues associated with the blank AIS lists
Change No. 010
Change description: A fix to getTransactionsDone response to include sender and recipient name
Change No. 011
Change description: A fix to getTransactionDetails response to include sender and recipient name
If you have any questions don’t hesitate to contact us via developer@alior.pl.
Sandbox – what’s new? // March 2020
We would like to inform you that on March 12th we will introduce additional changes to our Sandbox – it will not impact the availability of our APIs.
What’s new?
Deployment date: March 12, 2020
Change No. 001
Change description: In EEA foreign transfers we enable transfers in EUR to banks in Poland
Change impact: no impact on TPPs
Change No. 002
Change description: For foreign transfers in non-EEA countries, we add foreign currency transfers to banks in Poland
Change impact: no impact on TPPs
Change No. 003
Change description: Improvement in the handling of the EEA transfer type
Change impact: no impact on TPPs
Change No. 004
Change description: The field with the requestID in the getBundle header and body service must be the same
Change impact: no impact on TPPs
Change No. 005
Change description: implementation of the Split payment functionality in domestic, recurring, and bundle services (version v2_1_1.2)
Change impact: no impact on TPPs
Change No. 006
Change description: Improvement of the issues associated with the blank lists on sandbox environment
Change impact: no impact on TPPs
If you have any questions don’t hesitate to contact us via developer@alior.pl