Legacy Knowledge Base
Published Sep. 10, 2025

HTTP 403 when accessing headless admin taxonomy API

Written By

Balázs Létai

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Issue

  • 403 Forbidden error when accessing the following Headless API:

    GET /o/headless-admin-taxonomy/v1.0/taxonomy-vocabularies/{VocabularyID}/taxonomy-categories

Environment

  • Liferay DXP 2025.Q2

Resolution

  • Go to the Control Panel > Security > Service Access Policy
  • Create new Service Access policy with the parameters shown on the screenshot
  • Service class:
    com.liferay.headless.admin.taxonomy.internal.resource.v1_0.BaseTaxonomyCategoryResourceImpl
    Method: getTaxonomyVocabularyTaxonomyCategoriesPage
  • Make sure that the Vocabulary and the Categories are public and can be viewed by Anyone, as shown on the screenshot. Otherwise, the call will return the error code 404.

 

 

 

 

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