For Solana collections the
onChain.contractAddress property will be named onChain.mintAddressAuthorizations
Obtained in the Crossmint developer console
Path Parameters
This is the identifier for the collection related to the request. Every project has default collections: default-solana and default-polygon.
The create-collection API will result in collections with UUID formatted collectionId.
Example: 9c82ef99-617f-497d-9abb-fd355291681b
The create-collection-idempotent API allows you to specify an arbitrary identifier during the intitial request.
Example: your-custom-identifer

