Problem: Meta is setting up multiple WordPress sites and wants to register their internal Localization system as a Translation Service that can integrate with WPML via API. Solution: To register your localization system as a Translation Service with WPML, you need to contact our Translation Partner team. You can apply to join the WPML Translation Service Partner Program by filling out the form available at https://wpml.org/documentation/content-translation/#application-process. After submitting the form, the Translation Partner team will review your request and guide you through the integration process.
If this solution does not resolve your issue or seems outdated, we recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If further assistance is needed, please open a new support ticket at WPML support forum.
