HyperEVM · Holders & tokens

Holders

Current balances of an ERC-20, largest first, with concentration.

GET https://api.femtos.xyz/v1/holders

Parameters

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/holders?layer=hyperevm&token=<evmToken>&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
`totalHolders`	int	positive balances, system excluded
`top10Share`	number \| null	10 largest shares, 0–1
`holders[]`	object	{address, amount, share, usd?, side?, label?}
`system[]`	object	bridge, pools, fee collector… (excludeSystem=0 to count them)
`asOf · height`	int	time and block of the balances
`spam · spamReason`	boolean · string \| null	the token is flagged spam; its holders still answer

Token registry GET /v1/coins
HyperEVM tokens with their HyperCore spot link and price.
Coin detail GET /v1/coins/{layer}/{id}
One token: its links across layers, the markets it trades on, its 5 largest holders.
Daily token volume GET /v1/volume
USD swap volume of a token per UTC day, both sides of every priced swap.
Token families GET /v1/token-families
Tokens whose balance moves without Transfer logs: Aave aTokens and debt tokens, stHYPE, xStocks.
Family token holders GET /v1/token-families/{token}
Holders of one family token with balanceOf at the indexed head.
Spam tokens GET /v1/tokens/spam
Tokens the indexer flags as spam, left out of every list, and the latest flag changes.