The main doc page, https://api.stackexchange.com/docs, shows /users/{id}/associated while the method page, https://api.stackexchange.com/docs/associated-users, uses /users/{ids}/associated.
It's minor but it's there.
The main doc page, https://api.stackexchange.com/docs, shows /users/{id}/associated while the method page, https://api.stackexchange.com/docs/associated-users, uses /users/{ids}/associated.
It's minor but it's there.
The latest deploy fixed this.
As George pointed out, the method does take multiple account ids.