API documentation about pending members (both listing or approval is outdated)

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I've checked for bugs containing «pending» and regression and only found #473359 so far.

Summary

When querying the api to get pending members or to approve any pending members, I get either 400 or 404 reply :

{
  "error": "user_id is invalid"
}

glab: HTTP 400

or

{
  "error": "404 Not Found"
}

Steps to reproduce

  1. create a top level group
  2. ask a user to join this group
  3. GET /groups/:id/pending_members with the correct api/v4 url or POST /groups/:id/members/approve_all

Example Project

I've tested both on a self managed instance and gitlab.com : https://gitlab.com/test-api-group4

What is the current bug behavior?

Got 40X errors as reply.

What is the expected correct behavior?

User listing or user approval

Relevant logs and/or screenshots

❯ curl --request POST --header "PRIVATE-TOKEN: glpat-***-****************" --url "https://forge.apps.education.fr/api/v4/groups/****/members/approve_all"
{"error":"404 Not Found"}%

Output of checks

This bug happens on GitLab.com

Edited by 🤖 GitLab Bot 🤖