HyperEVM · NFTs

NFT collection

Metadata, tokens seen and 24 h activity of one collection.

GET https://api.femtos.xyz/v1/nfts/collections/{address}

Parameters

Param	In	Example or values
`address`	path	`<collection>`
`layer`	query	`hyperevm`

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

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

Field	Type	Meaning
`collection`	object	{address, standard, name, symbol, firstSeenBlock, firstSeenAt}
`tokens`	object	{count, capped}: counted up to 1,000
`activity24h`	object	{transfers, mints, burns, lastBlock, fromBlock, toBlock}

Active NFT collections GET /v1/nfts/collections
Collections with the most transfers over the last 1 h or 24 h.
Collection tokens GET /v1/nfts/tokens
Tokens of a collection by id, with their owner and metadata URI.
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.