API reference · Holders & tokens
Perp holders
Largest open positions of a perp, long and short.
- Elysium: not served
- HyperCore
- HyperEVM: not served
- Not on Elysium or HyperEVM: kind=positions: open positions of a HyperCore perp; an EVM token has balances only (the holders page)
GET https://api.femtos.xyz/v1/holders
Parameters
| Param | In | Example or values | Meaning |
|---|---|---|---|
layer | query | (empty), hypercore, hyperevm, elysium | Layer |
token | query | BTC | Token address (Elysium, HyperEVM), token name or perp coin (HyperCore) |
kind | query | positions, balances | HyperCore: spot balances of a token, or perp positions (open interest by account) of a coin (spot / perp: the same). Default: positions for a perp coin, else balances |
limit | query | 20 | Rows |
Example
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/holders?layer=hypercore&token=BTC&kind=positions&limit=20"Key: Authorization: Bearer $FEMTOS_KEY. Get a free key, or with no browser through agent onboarding.
Response fields
| Field | Type | Meaning |
|---|---|---|
holders[] | object | {address, amount, share, side, usd, label, system, entity} |
totalHolders | int | Holders (system excluded by default) |
top10Share | number | null | Sum of the top-10 shares |
system[] | object | System addresses (≤ 50), share of supply including them: {address, amount, share, side, usd, label, system, entity} |
asOf | ms | Snapshot time |
height | int | Block of the snapshot (HyperCore: snapshot height; EVM: the indexed head the balances include) |
Related: Holders & tokens
- Token registry GET /v1/coins Elysium, HyperCore, HyperEVM
HyperCore tokens with their HyperEVM contract and price. - Coin detail GET /v1/coins/{layer}/{id} Elysium, HyperCore, HyperEVM
One token: its links across layers, the markets it trades on, its 5 largest holders. - Token metadata GET /v1/tokens Elysium, HyperCore, HyperEVM
Metadata of up to 100 tokens: supply, creator, logo and socials when indexed, family, spam. Also POST with a JSON body. - Token overview GET /v1/tokens/{address} Elysium, HyperEVM
One token across all its pools: price, FDV, market cap, liquidity, windows, holders, top pools. - Token across layers GET /v1/tokens/{address}/lifecycle Elysium, HyperCore, HyperEVM
One token from its Elysium launch to its HyperEVM mirror, HyperCore spot and perps, each link proven or marked inferred. - Holders GET /v1/holders Elysium, HyperCore, HyperEVM
Spot balances of a HyperCore token, largest first. - Token families GET /v1/token-families Elysium, HyperEVM
Tokens whose balance moves without Transfer logs: Aave aTokens and debt tokens, stHYPE, xStocks. - Family token holders GET /v1/token-families/{token} Elysium, HyperEVM
Holders of one family token with balanceOf at the indexed head. - Token transfers GET /v1/transfers Elysium
ERC-20 Transfer events of one token, newest first. - Token security GET /v1/tokens/{address}/security Elysium, HyperEVM
Honeypot check: a buy, a transfer and a sell simulated on our node, taxes, owner powers, holders and LP, with a verdict. - Spam tokens GET /v1/tokens/spam Elysium, HyperEVM
Tokens the indexer flags as spam, left out of every list, and the latest flag changes.
More
- This page as Markdown
- The whole API reference
- What HyperCore serves
- The whole API in one Markdown file
- OpenAPI 3.1 document
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