HyperEVM · NFTs

Collection tokens

Tokens of a collection by id, with their owner and metadata URI.

GET https://api.femtos.xyz/v1/nfts/tokens

Parameters

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/nfts/tokens?layer=hyperevm&collection=<collection>&limit=20"

Key: Authorization: Bearer $FEMTOS_KEY or X-API-KEY. Get a free key, or with no browser through agent onboarding.

Field	Type	Meaning
`tokens[]`	object	{tokenId, standard, owner, uri, firstSeenBlock, lastTransferBlock}
`owner`	string \| null	ERC-721 owner, 0x0 once burnt; null for ERC-1155
`uri · uriLength`	string \| null · int	URI as returned; over 2,048 characters: null + its length
`next · after`	string · query	last token id, pass as after for the next page

Active NFT collections GET /v1/nfts/collections
Collections with the most transfers over the last 1 h or 24 h.
NFT collection GET /v1/nfts/collections/{address}
Metadata, tokens seen and 24 h activity of one collection.
NFTs of a wallet GET /v1/nfts/owned
ERC-721 tokens owned and ERC-1155 balances of one address.
NFT transfers GET /v1/nfts/transfers
Transfers of a collection or one token, newest first. While HyperEVM syncs: the last 24 h or 7 d of indexed blocks.