Bulk CMS authoring improvements and Localization updates

Bulk CMS authoring

The Create Collection Items endpoint now supports bulk creation. You can create multiple CMS items in a single request by passing an array of items to the items property. This provides a more efficient way to create multiple items while maintaining compatibility with the existing bulk Create Items endpoint.

Introducing the localeId Parameter

Webflow is standardizing query parameter naming by introducing localeId as the preferred parameter name, replacing locale. For backward compatibility, the locale parameter will continue to work, but it’s recommended to use localeId in all new implementations. This change affects the following endpoints: