[RSS Feed/News] do_not_have_permission error when requesting to modify a post

[XenForo]

I implement the code below for thread change. The API key is Super user and with full permissions but I get a do_not_have_permission error
Code:

// Set the API endpoint URL
$endpoint = 'http://112.45.67.890/api/threads/1';

// Set the API key and API secret


// Set the request parameters
$params = array(
    'title' => 'This is a test comment',
    'prefix_id' => 1,
    'discussion_open' => 1,
    'sticky' => 1,
    'username' => 'admin',
    'tags' => 'test',
    'message' => 'This is a...

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