Is there any way to show all private fields in REST/GraphQL API?

System Information
  • Strapi Version: 4.1.x
  • Operating System:
  • Database:
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I’m currently building a custom admin panel for my client, which requires to access all content types with all fields, I found that content-manager’s API is very limited because there’s no way to populate a content type’s deep relations. I thought I can use API Token with full access, but I found that even calling with an API token, private fields are still not return.

Is there any possible ways to enable API token user to return all fields including private one?