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API Versioning

Airwallex uses versioning to improve our API without affecting the existing users. In this chapter, the API examples as well as the notification event types are all presented in the latest version. For older versions, please refer to our official API documentation .

What’s the existing versions?

  • 2020-04-30 (latest version)
  • 2019-09-09

How do I choose the version?

You may specify the version per API call by setting the x-api-version header. However, in most cases you should rely on the configured version in your account. Overriding version by header is designed for testing and migrating to a new version.

For webhook notification, you may only specify the expected event version during the webhook creation.