Retrieving metadata at opensea with ERC-1155 problem

[Skyge]

Hi, welcome!

@Dude783

constructor() public ERC1155("https://game.example/api/item/{id}.json")

Yes, I also think you should set the parameter like above.

And there is a tutorial for creating ERC1155 token, you can have a look:

• Create an ERC1155 | OpenZeppelin Community