Linking an Additional Login Provider to your Account — Pokémon GO Help Center

After creating your Pokémon GO account, you may link an additional login provider—either Pokémon Trainer Club, Facebook, Google, or Apple—to

How to transfer Pokémon from Pokémon GO to Pokémon HOME – Pokémon Support

How do I link my Pokémon GO to a new email?

How to link your Nintendo account to Pokemon Unite Mobile: Trainers Saved Data, Crossplay & more

Niantic Hopes Its New Tech Will Enable The Next Pokémon Go

Get a Super Incubator and 1,000 Stardust when you link and validate your Pokémon Trainer Club account – Pokémon GO

Sending Pokémon to Pokémon HOME — Pokémon GO Help Center

Super Guide: Pokémon Trainer Club Account

How to transfer Pokémon from Pokémon GO to Pokémon HOME – Pokémon Support

Routes, Pokémon GO Wiki