get https://api.simplehash.com/api/v0/nfts/collections_by_wallets?chains=&wallet_addresses=
This endpoint is commonly used to pass specific chains and wallet addresses to get back a summary of the NFT collection ownership of these addresses, and the number of tokens owned.
To supply multiple values, provide them comma separated in the query params, e.g., chains=optimism,ethereum&wallet_addresses=0xa12,0xb34. ENS addresses can also be provided for the wallet_addresses.
To understand more about the difference between Collections and Contracts, please refer to our FAQ
This endpoint also returns info on the distinct owner count, distinct NFT count, and total quantity for the listed collections