Where do I redeem the codes?

Saturn65

Saturn65

Sorry where do I redeem the codes?

Ravenclawed1234

Right here

https://redeem.tcg.pokemon.com/en-us/

or on the app (except for IOS for some reason)

Ravenclawed1234

Unless you’re talking about Twitch drops, in which case, it’s here first, then wherever you would normally redeem codes

https://rewards.pokemon.com/inventory