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FAQ

Returns the number of unique users in the getContractMetadata API

I want to get the number of unique users of one contract, is it possible to return in the getContractMetadata API?

getcontractmetadata

Posted by Ankor 10 months ago

tokenType is Unknown in Alchemy NFT API response

Hi, I am trying to query the `getContractMetadata` function for a certain NFT collection address but I keep seeing `tokenType`:`UNKNOWN` in the response even though it is an ERC721 collection. What is the reason and what can I do to fix this?

alchemynft apigetcontractmetadata

Posted by Aniket 10 months ago

429 error account support account tier accounts address activity webhook alchemy alchemy api alchemy composer alchemy mempool alchemy sdk alchemy transact alchemy-sdk alchemy_getassettransfers archive data astar api billing capacity limits chains compute units concurrent transactions core costs cu cups defi enhanced api enterprise erc-20 token tutorial erc2771 erc721 error 429 eth transfers eth_call eth_getcode ethereum api events log evm traces gas gas estimation getassettransfers getblocknumber getcode getcontractmetadata getfloorprice getlogs getnft getnfts getnftsales getnftsforcollection getnftsforcontract getnftsforowner getnftsforowneriterator getownersforcollection getownersforcontract getprogramaccounts gettransaction gettransactionreceipt invalidatecontract ipfs gateway json-rpc meta transactions nft nft api nft cdn nft metadata nonce notify api polygon polygon api pricing rate limits reinforced transactions road to web3 sdk websockets endpoints sla smart contracts solana api solana websocket spam nfts subscription api team throughput transaction transaction receipt api transactions transfer api transfers api usage video nft webhook webhooks websocket websockets