BTIZ wrote:

some will state, that if it is a complex aircraft, you need the complex
endorsement, same for high performance, or tail dragger

Those that do are wrong. You need to be rated in category and class; that's all.
You only need the endorsements to act as PIC.

George Patterson
Love, n.: A form of temporary insanity afflicting the young. It is curable
either by marriage or by removal of the afflicted from the circumstances
under which he incurred the condition. It is sometimes fatal, but more
often to the physician than to the patient.