Previous versions of the PHP SDK

View documentation for previous versions of the PHP SDK


Deprecation notice

According to our long-term support plan we fixed the following dates along deprecation of the PHP v1 SDK:

  • Active Support phase ended 28 February 2022
  • Maintenance Support phase ends 31 August 2022
  • End of Life is reached 1 September 2022

Migrate to the PHP v2 SDK



The API client automatically authenticates using OAuth 2.0 and stores the retrieved token in any PSR-6 or PSR-16 compatible cache adapter.


The API client can be configured to log detailed information of each request to any PSR-3 compatible logging provider.

The correlation id of each request sent by the API gets extracted and logged as context information. Information about API deprecation is logged with severity warning.

Asynchronous requests

The PHP v1 SDK uses the guzzle HTTP client for executing requests which opens the possibility of executing requests in batches as well as asynchronously.


The PHP v1 SDK provides convenient formatting of currencies using the PHP intl extension. For localization of a project, fallback rules for localization can be configured.


The PHP v1 SDK is licensed under the permissive MIT License.