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Blockchain data platform providing NFT metadata, token pricing, portfolio analytics, and transaction history across Ethereum and other EVM chains. Best for web3 workflows needing structured onchain data — NFT verification, wallet portfolio views, or token price feeds. Priced by compute units ($0.45/1M CU) with endpoint costs ranging 40-1000 CU. 12 endpoints available through Lava’s AI Gateway. See the Alchemy API docs for full documentation.
Supports both managed (Lava’s API keys) and unmanaged (bring your own credentials) mode.

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Endpoints

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Get NFTs owned by an address

GET https://eth-mainnet.g.alchemy.com/nft/v3/getNFTsForOwner?owner=0x... — $0.000216 / request 
const data = await lava.gateway('https://eth-mainnet.g.alchemy.com/nft/v3/getNFTsForOwner?owner=0x...', { method: 'GET' });

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Get NFT metadata

GET https://eth-mainnet.g.alchemy.com/nft/v3/getNFTMetadata?contractAddress=0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D&tokenId=1 — $0.000036 / request 
const data = await lava.gateway('https://eth-mainnet.g.alchemy.com/nft/v3/getNFTMetadata?contractAddress=0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D&tokenId=1', { method: 'GET' });

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Get NFT collection floor price

GET https://eth-mainnet.g.alchemy.com/nft/v3/{id}/getFloorPrice — $0.000036 / request

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Get NFT contracts owned by an address

GET https://eth-mainnet.g.alchemy.com/nft/v3/{id}/getContractsForOwner — $0.000144 / request

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Get owners of an NFT

GET https://eth-mainnet.g.alchemy.com/nft/v3/{id}/getOwnersForNFT — $0.000036 / request

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Check if an NFT contract is spam

GET https://eth-mainnet.g.alchemy.com/nft/v3/{id}/isSpamContract — $0.000036 / request

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Get token prices by symbol

GET https://api.g.alchemy.com/prices/v1/tokens/by-symbol?symbols=ETH,BTC — $0.000018 / request 
const data = await lava.gateway('https://api.g.alchemy.com/prices/v1/tokens/by-symbol?symbols=ETH,BTC', { method: 'GET' });

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Get token prices by contract address

POST https://api.g.alchemy.com/prices/v1/tokens/by-address — $0.000018 / request

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Get historical token prices

POST https://api.g.alchemy.com/prices/v1/tokens/historical — $0.000018 / request

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Get token portfolio for an address

POST https://api.g.alchemy.com/data/v1/{id}/assets/tokens/by-address — $0.000162 / request

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Get NFT portfolio for an address

POST https://api.g.alchemy.com/data/v1/{id}/assets/nfts/by-address — $0.00045 / request

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Get transaction history for an address

POST https://api.g.alchemy.com/data/v1/{id}/transactions/history/by-address — $0.00045 / request

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