API key failed

Hi all

https://www.materialsproject.org/rest/v2/materials/mp-1234/vasp?API_KEY=
→ DOES show
{“valid_response”: false, “error”: “API_KEY is not a valid key.”, “version”: {“db”: “2021_05_13”, “pymatgen”: “2022.0.8”, “rest”: “2.0”}, “created_at”: “2021-06-11T14:17:34.320467”}

My API key has been generated at “https://materialsproject.org/dashboard